init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay.php

@@ -0,0 +1,423 @@
+<?php
+
+namespace Yansongda\Pay\Gateways;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Yansongda\Pay\Contracts\GatewayApplicationInterface;
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidGatewayException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Alipay\Support;
+use Yansongda\Supports\Collection;
+use Yansongda\Supports\Config;
+use Yansongda\Supports\Str;
+
+/**
+ * @method Response   app(array $config)      APP 支付
+ * @method Collection pos(array $config)      刷卡支付
+ * @method Collection scan(array $config)     扫码支付
+ * @method Collection transfer(array $config) 帐户转账
+ * @method Response   wap(array $config)      手机网站支付
+ * @method Response   web(array $config)      电脑支付
+ * @method Collection mini(array $config)     小程序支付
+ */
+class Alipay implements GatewayApplicationInterface
+{
+    /**
+     * Const mode_normal.
+     */
+    const MODE_NORMAL = 'normal';
+
+    /**
+     * Const mode_dev.
+     */
+    const MODE_DEV = 'dev';
+
+    /**
+     * Const mode_service.
+     */
+    const MODE_SERVICE = 'service';
+
+    /**
+     * Const url.
+     */
+    const URL = [
+        self::MODE_NORMAL => 'https://openapi.alipay.com/gateway.do?charset=utf-8',
+        self::MODE_SERVICE => 'https://openapi.alipay.com/gateway.do?charset=utf-8',
+        self::MODE_DEV => 'https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=utf-8',
+    ];
+
+    /**
+     * Alipay payload.
+     *
+     * @var array
+     */
+    protected $payload;
+
+    /**
+     * Alipay gateway.
+     *
+     * @var string
+     */
+    protected $gateway;
+
+    /**
+     * extends.
+     *
+     * @var array
+     */
+    protected $extends;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws \Exception
+     */
+    public function __construct(Config $config)
+    {
+        $this->gateway = Support::create($config)->getBaseUri();
+        $this->payload = [
+            'app_id' => $config->get('app_id'),
+            'method' => '',
+            'format' => 'JSON',
+            'charset' => 'utf-8',
+            'sign_type' => 'RSA2',
+            'version' => '1.0',
+            'return_url' => $config->get('return_url'),
+            'notify_url' => $config->get('notify_url'),
+            'timestamp' => date('Y-m-d H:i:s'),
+            'sign' => '',
+            'biz_content' => '',
+            'app_auth_token' => $config->get('app_auth_token'),
+        ];
+
+        if ($config->get('app_cert_public_key') && $config->get('alipay_root_cert')) {
+            $this->payload['app_cert_sn'] = Support::getCertSN($config->get('app_cert_public_key'));
+            $this->payload['alipay_root_cert_sn'] = Support::getRootCertSN($config->get('alipay_root_cert'));
+        }
+    }
+
+    /**
+     * Magic pay.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $method
+     * @param array  $params
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidConfigException
+     * @throws InvalidGatewayException
+     * @throws InvalidSignException
+     *
+     * @return Response|Collection
+     */
+    public function __call($method, $params)
+    {
+        if (isset($this->extends[$method])) {
+            return $this->makeExtend($method, ...$params);
+        }
+
+        return $this->pay($method, ...$params);
+    }
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $gateway
+     * @param array  $params
+     *
+     * @throws InvalidGatewayException
+     *
+     * @return Response|Collection
+     */
+    public function pay($gateway, $params = [])
+    {
+        Events::dispatch(new Events\PayStarting('Alipay', $gateway, $params));
+
+        $this->payload['return_url'] = $params['return_url'] ?? $this->payload['return_url'];
+        $this->payload['notify_url'] = $params['notify_url'] ?? $this->payload['notify_url'];
+
+        unset($params['return_url'], $params['notify_url']);
+
+        $this->payload['biz_content'] = json_encode($params);
+
+        $gateway = get_class($this).'\\'.Str::studly($gateway).'Gateway';
+
+        if (class_exists($gateway)) {
+            return $this->makePay($gateway);
+        }
+
+        throw new InvalidGatewayException("Pay Gateway [{$gateway}] not exists");
+    }
+
+    /**
+     * Verify sign.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array|null $data
+     *
+     * @throws InvalidSignException
+     * @throws InvalidConfigException
+     */
+    public function verify($data = null, bool $refund = false): Collection
+    {
+        if (is_null($data)) {
+            $request = Request::createFromGlobals();
+
+            $data = $request->request->count() > 0 ? $request->request->all() : $request->query->all();
+        }
+
+        if (isset($data['fund_bill_list'])) {
+            $data['fund_bill_list'] = htmlspecialchars_decode($data['fund_bill_list']);
+        }
+
+        Events::dispatch(new Events\RequestReceived('Alipay', '', $data));
+
+        if (Support::verifySign($data)) {
+            return new Collection($data);
+        }
+
+        Events::dispatch(new Events\SignFailed('Alipay', '', $data));
+
+        throw new InvalidSignException('Alipay Sign Verify FAILED', $data);
+    }
+
+    /**
+     * Query an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|array $order
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function find($order, ?string $type = 'wap'): Collection
+    {
+        $gateway = get_class($this).'\\'.Str::studly($type).'Gateway';
+
+        if (!class_exists($gateway) || !is_callable([new $gateway(), 'find'])) {
+            throw new GatewayException("{$gateway} Done Not Exist Or Done Not Has FIND Method");
+        }
+
+        $config = call_user_func([new $gateway(), 'find'], $order);
+
+        $this->payload['method'] = $config['method'];
+        $this->payload['biz_content'] = $config['biz_content'];
+        $this->payload['sign'] = Support::generateSign($this->payload);
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Find', $this->gateway, $this->payload));
+
+        return Support::requestApi($this->payload);
+    }
+
+    /**
+     * Refund an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function refund(array $order): Collection
+    {
+        $this->payload['method'] = 'alipay.trade.refund';
+        $this->payload['biz_content'] = json_encode($order);
+        $this->payload['sign'] = Support::generateSign($this->payload);
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Refund', $this->gateway, $this->payload));
+
+        return Support::requestApi($this->payload);
+    }
+
+    /**
+     * Cancel an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array|string $order
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function cancel($order): Collection
+    {
+        $this->payload['method'] = 'alipay.trade.cancel';
+        $this->payload['biz_content'] = json_encode(is_array($order) ? $order : ['out_trade_no' => $order]);
+        $this->payload['sign'] = Support::generateSign($this->payload);
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Cancel', $this->gateway, $this->payload));
+
+        return Support::requestApi($this->payload);
+    }
+
+    /**
+     * Close an order.
+     *
+     * @param string|array $order
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function close($order): Collection
+    {
+        $this->payload['method'] = 'alipay.trade.close';
+        $this->payload['biz_content'] = json_encode(is_array($order) ? $order : ['out_trade_no' => $order]);
+        $this->payload['sign'] = Support::generateSign($this->payload);
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Close', $this->gateway, $this->payload));
+
+        return Support::requestApi($this->payload);
+    }
+
+    /**
+     * Download bill.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|array $bill
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function download($bill): string
+    {
+        $this->payload['method'] = 'alipay.data.dataservice.bill.downloadurl.query';
+        $this->payload['biz_content'] = json_encode(is_array($bill) ? $bill : ['bill_type' => 'trade', 'bill_date' => $bill]);
+        $this->payload['sign'] = Support::generateSign($this->payload);
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Download', $this->gateway, $this->payload));
+
+        $result = Support::requestApi($this->payload);
+
+        return ($result instanceof Collection) ? $result->get('bill_download_url') : '';
+    }
+
+    /**
+     * Reply success to alipay.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    public function success(): Response
+    {
+        Events::dispatch(new Events\MethodCalled('Alipay', 'Success', $this->gateway));
+
+        return new Response('success');
+    }
+
+    /**
+     * extend.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function extend(string $method, callable $function, bool $now = true): ?Collection
+    {
+        if (!$now && !method_exists($this, $method)) {
+            $this->extends[$method] = $function;
+
+            return null;
+        }
+
+        $customize = $function($this->payload);
+
+        if (!is_array($customize) && !($customize instanceof Collection)) {
+            throw new InvalidArgumentException('Return Type Must Be Array Or Collection');
+        }
+
+        Events::dispatch(new Events\MethodCalled('Alipay', 'extend', $this->gateway, $customize));
+
+        if (is_array($customize)) {
+            $this->payload = $customize;
+            $this->payload['sign'] = Support::generateSign($this->payload);
+
+            return Support::requestApi($this->payload);
+        }
+
+        return $customize;
+    }
+
+    /**
+     * Make pay gateway.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidGatewayException
+     *
+     * @return Response|Collection
+     */
+    protected function makePay(string $gateway)
+    {
+        $app = new $gateway();
+
+        if ($app instanceof GatewayInterface) {
+            return $app->pay($this->gateway, array_filter($this->payload, function ($value) {
+                return '' !== $value && !is_null($value);
+            }));
+        }
+
+        throw new InvalidGatewayException("Pay Gateway [{$gateway}] Must Be An Instance Of GatewayInterface");
+    }
+
+    /**
+     * makeExtend.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    protected function makeExtend(string $method, array ...$params): Collection
+    {
+        $params = count($params) >= 1 ? $params[0] : $params;
+
+        $function = $this->extends[$method];
+
+        $customize = $function($this->payload, $params);
+
+        if (!is_array($customize) && !($customize instanceof Collection)) {
+            throw new InvalidArgumentException('Return Type Must Be Array Or Collection');
+        }
+
+        Events::dispatch(new Events\MethodCalled(
+            'Alipay',
+            'extend - '.$method,
+            $this->gateway,
+            is_array($customize) ? $customize : $customize->toArray()
+        ));
+
+        if (is_array($customize)) {
+            $this->payload = $customize;
+            $this->payload['sign'] = Support::generateSign($this->payload);
+
+            return Support::requestApi($this->payload);
+        }
+
+        return $customize;
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/AppGateway.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Symfony\Component\HttpFoundation\Response;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Gateways\Alipay;
+
+class AppGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws InvalidConfigException
+     * @throws InvalidArgumentException
+     */
+    public function pay($endpoint, ?array $payload): Response
+    {
+        $payload['method'] = 'alipay.trade.app.pay';
+
+        $biz_array = json_decode($payload['biz_content'], true);
+        if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
+            $biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
+        }
+        $payload['biz_content'] = json_encode(array_merge($biz_array, ['product_code' => 'QUICK_MSECURITY_PAY']));
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'App', $endpoint, $payload));
+
+        return new Response(http_build_query($payload));
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/Gateway.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Supports\Collection;
+
+abstract class Gateway implements GatewayInterface
+{
+    /**
+     * Mode.
+     *
+     * @var string
+     */
+    protected $mode;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     */
+    public function __construct()
+    {
+        $this->mode = Support::getInstance()->mode;
+    }
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @return Collection
+     */
+    abstract public function pay($endpoint, ?array $payload);
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/MiniGateway.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Alipay;
+use Yansongda\Supports\Collection;
+
+class MiniGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author xiaozan <i@xiaozan.me>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     *
+     * @see https://docs.alipay.com/mini/introduce/pay
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $biz_array = json_decode($payload['biz_content'], true);
+        if (empty($biz_array['buyer_id']) && empty($biz_array['buyer_open_id'])) {
+            throw new InvalidArgumentException('buyer_id or buyer_open_id required');
+        }
+        if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
+            $biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
+        }
+        $payload['biz_content'] = json_encode($biz_array);
+        $payload['method'] = 'alipay.trade.create';
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'Mini', $endpoint, $payload));
+
+        return Support::requestApi($payload);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/PosGateway.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Alipay;
+use Yansongda\Supports\Collection;
+
+class PosGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws InvalidArgumentException
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['method'] = 'alipay.trade.pay';
+        $biz_array = json_decode($payload['biz_content'], true);
+        if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
+            $biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
+        }
+        $payload['biz_content'] = json_encode(array_merge(
+            $biz_array,
+            [
+                'product_code' => 'FACE_TO_FACE_PAYMENT',
+                'scene' => 'bar_code',
+            ]
+        ));
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'Pos', $endpoint, $payload));
+
+        return Support::requestApi($payload);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/RefundGateway.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+class RefundGateway
+{
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $order
+     */
+    public function find($order): array
+    {
+        return [
+            'method' => 'alipay.trade.fastpay.refund.query',
+            'biz_content' => json_encode(is_array($order) ? $order : ['out_trade_no' => $order]),
+        ];
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/ScanGateway.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Alipay;
+use Yansongda\Supports\Collection;
+
+class ScanGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['method'] = 'alipay.trade.precreate';
+        $biz_array = json_decode($payload['biz_content'], true);
+        if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
+            $biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
+        }
+        $payload['biz_content'] = json_encode(array_merge($biz_array, ['product_code' => '']));
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'Scan', $endpoint, $payload));
+
+        return Support::requestApi($payload);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/Support.php

@@ -0,0 +1,452 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Exception;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Alipay;
+use Yansongda\Pay\Log;
+use Yansongda\Supports\Arr;
+use Yansongda\Supports\Collection;
+use Yansongda\Supports\Config;
+use Yansongda\Supports\Str;
+use Yansongda\Supports\Traits\HasHttpRequest;
+
+/**
+ * @author yansongda <me@yansongda.cn>
+ *
+ * @property string app_id alipay app_id
+ * @property string ali_public_key
+ * @property string private_key
+ * @property array http http options
+ * @property string mode current mode
+ * @property array log log options
+ * @property string pid ali pid
+ */
+class Support
+{
+    use HasHttpRequest;
+
+    /**
+     * Alipay gateway.
+     *
+     * @var string
+     */
+    protected $baseUri;
+
+    /**
+     * Config.
+     *
+     * @var Config
+     */
+    protected $config;
+
+    /**
+     * Instance.
+     *
+     * @var Support
+     */
+    private static $instance;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    private function __construct(Config $config)
+    {
+        $this->baseUri = Alipay::URL[$config->get('mode', Alipay::MODE_NORMAL)];
+        $this->config = $config;
+
+        $this->setHttpOptions();
+    }
+
+    /**
+     * __get.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $key
+     *
+     * @return mixed|Config|null
+     */
+    public function __get($key)
+    {
+        return $this->getConfig($key);
+    }
+
+    /**
+     * create.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @return Support
+     */
+    public static function create(Config $config)
+    {
+        if ('cli' === php_sapi_name() || !(self::$instance instanceof self)) {
+            self::$instance = new self($config);
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * getInstance.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     *
+     * @return Support
+     */
+    public static function getInstance()
+    {
+        if (is_null(self::$instance)) {
+            throw new InvalidArgumentException('You Should [Create] First Before Using');
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * clear.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    public function clear()
+    {
+        self::$instance = null;
+    }
+
+    /**
+     * Get Alipay API result.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public static function requestApi(array $data): Collection
+    {
+        Events::dispatch(new Events\ApiRequesting('Alipay', '', self::$instance->getBaseUri(), $data));
+
+        $data = array_filter($data, function ($value) {
+            return ('' == $value || is_null($value)) ? false : true;
+        });
+
+        $result = json_decode(self::$instance->post('', $data), true);
+
+        Events::dispatch(new Events\ApiRequested('Alipay', '', self::$instance->getBaseUri(), $result));
+
+        return self::processingApiResult($data, $result);
+    }
+
+    /**
+     * Generate sign.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidConfigException
+     */
+    public static function generateSign(array $params): string
+    {
+        $privateKey = self::$instance->private_key;
+
+        if (is_null($privateKey)) {
+            throw new InvalidConfigException('Missing Alipay Config -- [private_key]');
+        }
+
+        if (Str::endsWith($privateKey, '.pem')) {
+            $privateKey = openssl_pkey_get_private(
+                Str::startsWith($privateKey, 'file://') ? $privateKey : 'file://'.$privateKey
+            );
+        } else {
+            $privateKey = "-----BEGIN RSA PRIVATE KEY-----\n".
+                wordwrap($privateKey, 64, "\n", true).
+                "\n-----END RSA PRIVATE KEY-----";
+        }
+
+        openssl_sign(self::getSignContent($params), $sign, $privateKey, OPENSSL_ALGO_SHA256);
+
+        $sign = base64_encode($sign);
+
+        Log::debug('Alipay Generate Sign', [$params, $sign]);
+
+        if (is_resource($privateKey)) {
+            openssl_free_key($privateKey);
+        }
+
+        return $sign;
+    }
+
+    /**
+     * Verify sign.
+     *
+     * @author yansongda <me@yansonga.cn>
+     *
+     * @param bool        $sync
+     * @param string|null $sign
+     *
+     * @throws InvalidConfigException
+     */
+    public static function verifySign(array $data, $sync = false, $sign = null): bool
+    {
+        $publicKey = self::$instance->ali_public_key;
+
+        if (is_null($publicKey)) {
+            throw new InvalidConfigException('Missing Alipay Config -- [ali_public_key]');
+        }
+
+        if (Str::endsWith($publicKey, '.crt')) {
+            $publicKey = file_get_contents($publicKey);
+        } elseif (Str::endsWith($publicKey, '.pem')) {
+            $publicKey = openssl_pkey_get_public(
+                Str::startsWith($publicKey, 'file://') ? $publicKey : 'file://'.$publicKey
+            );
+        } else {
+            $publicKey = "-----BEGIN PUBLIC KEY-----\n".
+                wordwrap($publicKey, 64, "\n", true).
+                "\n-----END PUBLIC KEY-----";
+        }
+
+        $sign = $sign ?? $data['sign'];
+
+        $toVerify = $sync ? json_encode($data, JSON_UNESCAPED_UNICODE) : self::getSignContent($data, true);
+
+        $isVerify = 1 === openssl_verify($toVerify, base64_decode($sign), $publicKey, OPENSSL_ALGO_SHA256);
+
+        if (is_resource($publicKey)) {
+            openssl_free_key($publicKey);
+        }
+
+        return $isVerify;
+    }
+
+    /**
+     * Get signContent that is to be signed.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param bool $verify
+     */
+    public static function getSignContent(array $data, $verify = false): string
+    {
+        ksort($data);
+
+        $stringToBeSigned = '';
+        foreach ($data as $k => $v) {
+            if ($verify && 'sign' != $k && 'sign_type' != $k) {
+                $stringToBeSigned .= $k.'='.$v.'&';
+            }
+            if (!$verify && '' !== $v && !is_null($v) && 'sign' != $k && '@' != substr($v, 0, 1)) {
+                $stringToBeSigned .= $k.'='.$v.'&';
+            }
+        }
+
+        Log::debug('Alipay Generate Sign Content Before Trim', [$data, $stringToBeSigned]);
+
+        return trim($stringToBeSigned, '&');
+    }
+
+    /**
+     * Convert encoding.
+     *
+     * @author yansongda <me@yansonga.cn>
+     *
+     * @param string|array $data
+     * @param string       $to
+     * @param string       $from
+     */
+    public static function encoding($data, $to = 'utf-8', $from = 'gb2312'): array
+    {
+        return Arr::encoding((array) $data, $to, $from);
+    }
+
+    /**
+     * Get service config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|null $key
+     * @param mixed|null  $default
+     *
+     * @return mixed|null
+     */
+    public function getConfig($key = null, $default = null)
+    {
+        if (is_null($key)) {
+            return $this->config->all();
+        }
+
+        if ($this->config->has($key)) {
+            return $this->config[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Get Base Uri.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @return string
+     */
+    public function getBaseUri()
+    {
+        return $this->baseUri;
+    }
+
+    /**
+     * 生成应用证书SN.
+     *
+     * @author 大冰 https://sbing.vip/archives/2019-new-alipay-php-docking.html
+     *
+     * @param $certPath
+     *
+     * @throws /Exception
+     */
+    public static function getCertSN($certPath): string
+    {
+        if (!is_file($certPath)) {
+            throw new Exception('unknown certPath -- [getCertSN]');
+        }
+        $x509data = file_get_contents($certPath);
+        if (false === $x509data) {
+            throw new Exception('Alipay CertSN Error -- [getCertSN]');
+        }
+        openssl_x509_read($x509data);
+        $certdata = openssl_x509_parse($x509data);
+        if (empty($certdata)) {
+            throw new Exception('Alipay openssl_x509_parse Error -- [getCertSN]');
+        }
+        $issuer_arr = [];
+        foreach ($certdata['issuer'] as $key => $val) {
+            $issuer_arr[] = $key.'='.$val;
+        }
+        $issuer = implode(',', array_reverse($issuer_arr));
+        Log::debug('getCertSN:', [$certPath, $issuer, $certdata['serialNumber']]);
+
+        return md5($issuer.$certdata['serialNumber']);
+    }
+
+    /**
+     * 生成支付宝根证书SN.
+     *
+     * @author 大冰 https://sbing.vip/archives/2019-new-alipay-php-docking.html
+     *
+     * @param $certPath
+     *
+     * @return string
+     *
+     * @throws /Exception
+     */
+    public static function getRootCertSN($certPath)
+    {
+        if (!is_file($certPath)) {
+            throw new Exception('unknown certPath -- [getRootCertSN]');
+        }
+        $x509data = file_get_contents($certPath);
+        if (false === $x509data) {
+            throw new Exception('Alipay CertSN Error -- [getRootCertSN]');
+        }
+        $kCertificateEnd = '-----END CERTIFICATE-----';
+        $certStrList = explode($kCertificateEnd, $x509data);
+        $md5_arr = [];
+        foreach ($certStrList as $one) {
+            if (!empty(trim($one))) {
+                $_x509data = $one.$kCertificateEnd;
+                openssl_x509_read($_x509data);
+                $_certdata = openssl_x509_parse($_x509data);
+                if (in_array($_certdata['signatureTypeSN'], ['RSA-SHA256', 'RSA-SHA1'])) {
+                    $issuer_arr = [];
+                    foreach ($_certdata['issuer'] as $key => $val) {
+                        $issuer_arr[] = $key.'='.$val;
+                    }
+                    $_issuer = implode(',', array_reverse($issuer_arr));
+                    if (0 === strpos($_certdata['serialNumber'], '0x')) {
+                        $serialNumber = self::bchexdec($_certdata['serialNumber']);
+                    } else {
+                        $serialNumber = $_certdata['serialNumber'];
+                    }
+                    $md5_arr[] = md5($_issuer.$serialNumber);
+                    Log::debug('getRootCertSN Sub:', [$certPath, $_issuer, $serialNumber]);
+                }
+            }
+        }
+
+        return implode('_', $md5_arr);
+    }
+
+    /**
+     * processingApiResult.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $data
+     * @param $result
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    protected static function processingApiResult($data, $result): Collection
+    {
+        $method = str_replace('.', '_', $data['method']).'_response';
+
+        if (!isset($result['sign']) || '10000' != $result[$method]['code']) {
+            throw new GatewayException('Get Alipay API Error:'.$result[$method]['msg'].(isset($result[$method]['sub_code']) ? (' - '.$result[$method]['sub_code']) : ''), $result);
+        }
+
+        if (self::verifySign($result[$method], true, $result['sign'])) {
+            return new Collection($result[$method]);
+        }
+
+        Events::dispatch(new Events\SignFailed('Alipay', '', $result));
+
+        throw new InvalidSignException('Alipay Sign Verify FAILED', $result);
+    }
+
+    /**
+     * Set Http options.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function setHttpOptions(): self
+    {
+        if ($this->config->has('http') && is_array($this->config->get('http'))) {
+            $this->config->forget('http.base_uri');
+            $this->httpOptions = $this->config->get('http');
+        }
+
+        return $this;
+    }
+
+    /**
+     * 0x转高精度数字.
+     *
+     * @author 大冰 https://sbing.vip/archives/2019-new-alipay-php-docking.html
+     *
+     * @param $hex
+     *
+     * @return int|string
+     */
+    private static function bchexdec($hex)
+    {
+        $dec = 0;
+        $len = strlen($hex);
+        for ($i = 1; $i <= $len; ++$i) {
+            if (ctype_xdigit($hex[$i - 1])) {
+                $dec = bcadd($dec, bcmul(strval(hexdec($hex[$i - 1])), bcpow('16', strval($len - $i))));
+            }
+        }
+
+        return str_replace('.00', '', $dec);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/TransferGateway.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+
+class TransferGateway implements GatewayInterface
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidConfigException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['method'] = 'alipay.fund.trans.uni.transfer';
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'Transfer', $endpoint, $payload));
+
+        return Support::requestApi($payload);
+    }
+
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $order
+     */
+    public function find($order): array
+    {
+        return [
+            'method' => 'alipay.fund.trans.order.query',
+            'biz_content' => json_encode(is_array($order) ? $order : ['out_biz_no' => $order]),
+        ];
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/WapGateway.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+class WapGateway extends WebGateway
+{
+    /**
+     * Get method config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getMethod(): string
+    {
+        return 'alipay.trade.wap.pay';
+    }
+
+    /**
+     * Get productCode config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getProductCode(): string
+    {
+        return 'QUICK_WAP_WAY';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Alipay/WebGateway.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Response;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidConfigException;
+use Yansongda\Pay\Gateways\Alipay;
+
+class WebGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws InvalidConfigException
+     * @throws InvalidArgumentException
+     */
+    public function pay($endpoint, ?array $payload): Response
+    {
+        $biz_array = json_decode($payload['biz_content'], true);
+        $biz_array['product_code'] = $this->getProductCode();
+
+        $method = $biz_array['http_method'] ?? 'POST';
+
+        unset($biz_array['http_method']);
+        if ((Alipay::MODE_SERVICE === $this->mode) && (!empty(Support::getInstance()->pid))) {
+            $biz_array['extend_params'] = is_array($biz_array['extend_params']) ? array_merge(['sys_service_provider_id' => Support::getInstance()->pid], $biz_array['extend_params']) : ['sys_service_provider_id' => Support::getInstance()->pid];
+        }
+        $payload['method'] = $this->getMethod();
+        $payload['biz_content'] = json_encode($biz_array);
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Alipay', 'Web/Wap', $endpoint, $payload));
+
+        return $this->buildPayHtml($endpoint, $payload, $method);
+    }
+
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $order
+     */
+    public function find($order): array
+    {
+        return [
+            'method' => 'alipay.trade.query',
+            'biz_content' => json_encode(is_array($order) ? $order : ['out_trade_no' => $order]),
+        ];
+    }
+
+    /**
+     * Build Html response.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     * @param array  $payload
+     * @param string $method
+     */
+    protected function buildPayHtml($endpoint, $payload, $method = 'POST'): Response
+    {
+        if ('GET' === strtoupper($method)) {
+            return new RedirectResponse($endpoint.'&'.http_build_query($payload));
+        }
+
+        $sHtml = "<form id='alipay_submit' name='alipay_submit' action='".$endpoint."' method='".$method."'>";
+        foreach ($payload as $key => $val) {
+            $val = str_replace("'", '&apos;', $val);
+            $sHtml .= "<input type='hidden' name='".$key."' value='".$val."'/>";
+        }
+        $sHtml .= "<input type='submit' value='ok' style='display:none;'></form>";
+        $sHtml .= "<script>document.forms['alipay_submit'].submit();</script>";
+
+        return new Response($sHtml);
+    }
+
+    /**
+     * Get method config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getMethod(): string
+    {
+        return 'alipay.trade.page.pay';
+    }
+
+    /**
+     * Get productCode config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getProductCode(): string
+    {
+        return 'FAST_INSTANT_TRADE_PAY';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat.php

@@ -0,0 +1,366 @@
+<?php
+
+namespace Yansongda\Pay\Gateways;
+
+use Exception;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Yansongda\Pay\Contracts\GatewayApplicationInterface;
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidGatewayException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat\Support;
+use Yansongda\Pay\Log;
+use Yansongda\Supports\Collection;
+use Yansongda\Supports\Config;
+use Yansongda\Supports\Str;
+
+/**
+ * @method Response         app(array $config)          APP 支付
+ * @method Collection       groupRedpack(array $config) 分裂红包
+ * @method Collection       miniapp(array $config)      小程序支付
+ * @method Collection       mp(array $config)           公众号支付
+ * @method Collection       pos(array $config)          刷卡支付
+ * @method Collection       redpack(array $config)      普通红包
+ * @method Collection       scan(array $config)         扫码支付
+ * @method Collection       transfer(array $config)     企业付款
+ * @method RedirectResponse web(array $config)          Web 扫码支付
+ * @method RedirectResponse wap(array $config)          H5 支付
+ */
+class Wechat implements GatewayApplicationInterface
+{
+    /**
+     * 普通模式.
+     */
+    const MODE_NORMAL = 'normal';
+
+    /**
+     * 沙箱模式.
+     */
+    const MODE_DEV = 'dev';
+
+    /**
+     * 香港钱包 API.
+     */
+    const MODE_HK = 'hk';
+
+    /**
+     * 境外 API.
+     */
+    const MODE_US = 'us';
+
+    /**
+     * 服务商模式.
+     */
+    const MODE_SERVICE = 'service';
+
+    /**
+     * Const url.
+     */
+    const URL = [
+        self::MODE_NORMAL => 'https://api.mch.weixin.qq.com/',
+        self::MODE_DEV => 'https://api.mch.weixin.qq.com/xdc/apiv2sandbox/',
+        self::MODE_HK => 'https://apihk.mch.weixin.qq.com/',
+        self::MODE_SERVICE => 'https://api.mch.weixin.qq.com/',
+        self::MODE_US => 'https://apius.mch.weixin.qq.com/',
+    ];
+
+    /**
+     * Wechat payload.
+     *
+     * @var array
+     */
+    protected $payload;
+
+    /**
+     * Wechat gateway.
+     *
+     * @var string
+     */
+    protected $gateway;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws Exception
+     */
+    public function __construct(Config $config)
+    {
+        $this->gateway = Support::create($config)->getBaseUri();
+        $this->payload = [
+            'appid' => $config->get('app_id', ''),
+            'mch_id' => $config->get('mch_id', ''),
+            'nonce_str' => Str::random(),
+            'notify_url' => $config->get('notify_url', ''),
+            'sign' => '',
+            'trade_type' => '',
+            'spbill_create_ip' => Request::createFromGlobals()->getClientIp(),
+        ];
+
+        if ($config->get('mode', self::MODE_NORMAL) === static::MODE_SERVICE) {
+            $this->payload = array_merge($this->payload, [
+                'sub_mch_id' => $config->get('sub_mch_id'),
+                'sub_appid' => $config->get('sub_app_id', ''),
+            ]);
+        }
+    }
+
+    /**
+     * Magic pay.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $method
+     * @param string $params
+     *
+     * @throws InvalidGatewayException
+     *
+     * @return Response|Collection
+     */
+    public function __call($method, $params)
+    {
+        return self::pay($method, ...$params);
+    }
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $gateway
+     * @param array  $params
+     *
+     * @throws InvalidGatewayException
+     *
+     * @return Response|Collection
+     */
+    public function pay($gateway, $params = [])
+    {
+        Events::dispatch(new Events\PayStarting('Wechat', $gateway, $params));
+
+        $this->payload = array_merge($this->payload, $params);
+
+        $gateway = get_class($this).'\\'.Str::studly($gateway).'Gateway';
+
+        if (class_exists($gateway)) {
+            return $this->makePay($gateway);
+        }
+
+        throw new InvalidGatewayException("Pay Gateway [{$gateway}] Not Exists");
+    }
+
+    /**
+     * Verify data.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|null $content
+     *
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function verify($content = null, bool $refund = false): Collection
+    {
+        $content = $content ?? Request::createFromGlobals()->getContent();
+
+        Events::dispatch(new Events\RequestReceived('Wechat', '', [$content]));
+
+        $data = Support::fromXml($content);
+        if ($refund) {
+            $decrypt_data = Support::decryptRefundContents($data['req_info']);
+            $data = array_merge(Support::fromXml($decrypt_data), $data);
+        }
+
+        Log::debug('Resolved The Received Wechat Request Data', $data);
+
+        if ($refund || Support::generateSign($data) === $data['sign']) {
+            return new Collection($data);
+        }
+
+        Events::dispatch(new Events\SignFailed('Wechat', '', $data));
+
+        throw new InvalidSignException('Wechat Sign Verify FAILED', $data);
+    }
+
+    /**
+     * Query an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|array $order
+     *
+     * @throws GatewayException
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function find($order, ?string $type = 'wap'): Collection
+    {
+        unset($this->payload['spbill_create_ip']);
+
+        $gateway = get_class($this).'\\'.Str::studly($type).'Gateway';
+
+        if (!class_exists($gateway) || !is_callable([new $gateway(), 'find'])) {
+            throw new GatewayException("{$gateway} Done Not Exist Or Done Not Has FIND Method");
+        }
+
+        $config = call_user_func([new $gateway(), 'find'], $order);
+
+        $this->payload = Support::filterPayload($this->payload, $config['order']);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Find', $this->gateway, $this->payload));
+
+        return Support::requestApi(
+            $config['endpoint'],
+            $this->payload,
+            $config['cert']
+        );
+    }
+
+    /**
+     * Refund an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function refund(array $order): Collection
+    {
+        unset($this->payload['spbill_create_ip']);
+
+        $this->payload = Support::filterPayload($this->payload, $order, true);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Refund', $this->gateway, $this->payload));
+
+        return Support::requestApi(
+            'secapi/pay/refund',
+            $this->payload,
+            true
+        );
+    }
+
+    /**
+     * Cancel an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array $order
+     *
+     * @throws GatewayException
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function cancel($order): Collection
+    {
+        unset($this->payload['spbill_create_ip']);
+
+        $this->payload = Support::filterPayload($this->payload, $order);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Cancel', $this->gateway, $this->payload));
+
+        return Support::requestApi(
+            'secapi/pay/reverse',
+            $this->payload,
+            true
+        );
+    }
+
+    /**
+     * Close an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|array $order
+     *
+     * @throws GatewayException
+     * @throws InvalidSignException
+     * @throws InvalidArgumentException
+     */
+    public function close($order): Collection
+    {
+        unset($this->payload['spbill_create_ip']);
+
+        $this->payload = Support::filterPayload($this->payload, $order);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Close', $this->gateway, $this->payload));
+
+        return Support::requestApi('pay/closeorder', $this->payload);
+    }
+
+    /**
+     * Echo success to server.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     */
+    public function success(): Response
+    {
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Success', $this->gateway));
+
+        return new Response(
+            Support::toXml(['return_code' => 'SUCCESS', 'return_msg' => 'OK']),
+            200,
+            ['Content-Type' => 'application/xml']
+        );
+    }
+
+    /**
+     * Download the bill.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     */
+    public function download(array $params): string
+    {
+        unset($this->payload['spbill_create_ip']);
+
+        $this->payload = Support::filterPayload($this->payload, $params, true);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'Download', $this->gateway, $this->payload));
+
+        $result = Support::getInstance()->post(
+            'pay/downloadbill',
+            Support::getInstance()->toXml($this->payload)
+        );
+
+        if (is_array($result)) {
+            throw new GatewayException('Get Wechat API Error: '.$result['return_msg'], $result);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Make pay gateway.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $gateway
+     *
+     * @throws InvalidGatewayException
+     *
+     * @return Response|Collection
+     */
+    protected function makePay($gateway)
+    {
+        $app = new $gateway();
+
+        if ($app instanceof GatewayInterface) {
+            return $app->pay($this->gateway, array_filter($this->payload, function ($value) {
+                return '' !== $value && !is_null($value);
+            }));
+        }
+
+        throw new InvalidGatewayException("Pay Gateway [{$gateway}] Must Be An Instance Of GatewayInterface");
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/AppGateway.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Exception;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Response;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Supports\Str;
+
+class AppGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     * @throws Exception
+     */
+    public function pay($endpoint, ?array $payload): Response
+    {
+        $payload['appid'] = Support::getInstance()->appid;
+        $payload['trade_type'] = $this->getTradeType();
+
+        if (Wechat::MODE_SERVICE === $this->mode) {
+            $payload['sub_appid'] = Support::getInstance()->sub_appid;
+        }
+
+        $pay_request = [
+            'appid' => Wechat::MODE_SERVICE === $this->mode ? $payload['sub_appid'] : $payload['appid'],
+            'partnerid' => Wechat::MODE_SERVICE === $this->mode ? $payload['sub_mch_id'] : $payload['mch_id'],
+            'prepayid' => $this->preOrder($payload)->get('prepay_id'),
+            'timestamp' => strval(time()),
+            'noncestr' => Str::random(),
+            'package' => 'Sign=WXPay',
+        ];
+        $pay_request['sign'] = Support::generateSign($pay_request);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'App', $endpoint, $pay_request));
+
+        return new JsonResponse($pay_request);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return 'APP';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/Gateway.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+
+abstract class Gateway implements GatewayInterface
+{
+    /**
+     * Mode.
+     *
+     * @var string
+     */
+    protected $mode;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     */
+    public function __construct()
+    {
+        $this->mode = Support::getInstance()->mode;
+    }
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @return Collection
+     */
+    abstract public function pay($endpoint, ?array $payload);
+
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|array $order
+     */
+    public function find($order): array
+    {
+        return [
+            'endpoint' => 'pay/orderquery',
+            'order' => is_array($order) ? $order : ['out_trade_no' => $order],
+            'cert' => false,
+        ];
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @return string
+     */
+    abstract protected function getTradeType();
+
+    /**
+     * Schedule an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array $payload
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    protected function preOrder($payload): Collection
+    {
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\MethodCalled('Wechat', 'PreOrder', '', $payload));
+
+        return Support::requestApi('pay/unifiedorder', $payload);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/GroupRedpackGateway.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Supports\Collection;
+
+class GroupRedpackGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['wxappid'] = $payload['appid'];
+        $payload['amt_type'] = 'ALL_RAND';
+
+        if (Wechat::MODE_SERVICE === $this->mode) {
+            $payload['msgappid'] = $payload['appid'];
+        }
+
+        unset($payload['appid'], $payload['trade_type'],
+              $payload['notify_url'], $payload['spbill_create_ip']);
+
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Group Redpack', $endpoint, $payload));
+
+        return Support::requestApi(
+            'mmpaymkttransfers/sendgroupredpack',
+            $payload,
+            true
+        );
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return '';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/MiniappGateway.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Supports\Collection;
+
+class MiniappGateway extends MpGateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['appid'] = Support::getInstance()->miniapp_id;
+
+        if (Wechat::MODE_SERVICE === $this->mode) {
+            $payload['sub_appid'] = Support::getInstance()->sub_miniapp_id;
+            $this->payRequestUseSubAppId = true;
+        }
+
+        return parent::pay($endpoint, $payload);
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/MpGateway.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Exception;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+use Yansongda\Supports\Str;
+
+class MpGateway extends Gateway
+{
+    /**
+     * @var bool
+     */
+    protected $payRequestUseSubAppId = false;
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     * @throws Exception
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['trade_type'] = $this->getTradeType();
+
+        $pay_request = [
+            'appId' => !$this->payRequestUseSubAppId ? $payload['appid'] : $payload['sub_appid'],
+            'timeStamp' => strval(time()),
+            'nonceStr' => Str::random(),
+            'package' => 'prepay_id='.$this->preOrder($payload)->get('prepay_id'),
+            'signType' => 'MD5',
+        ];
+        $pay_request['paySign'] = Support::generateSign($pay_request);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'JSAPI', $endpoint, $pay_request));
+
+        return new Collection($pay_request);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return 'JSAPI';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/PosGateway.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+
+class PosGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        unset($payload['trade_type'], $payload['notify_url']);
+
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Pos', $endpoint, $payload));
+
+        return Support::requestApi('pay/micropay', $payload);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return 'MICROPAY';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/RedpackGateway.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Symfony\Component\HttpFoundation\Request;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Supports\Collection;
+
+class RedpackGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['wxappid'] = $payload['appid'];
+
+        if ('cli' !== php_sapi_name()) {
+            $payload['client_ip'] = Request::createFromGlobals()->server->get('SERVER_ADDR');
+        }
+
+        if (Wechat::MODE_SERVICE === $this->mode) {
+            $payload['msgappid'] = $payload['appid'];
+        }
+
+        unset($payload['appid'], $payload['trade_type'],
+              $payload['notify_url'], $payload['spbill_create_ip']);
+
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Redpack', $endpoint, $payload));
+
+        return Support::requestApi(
+            'mmpaymkttransfers/sendredpack',
+            $payload,
+            true
+        );
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return '';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/RefundGateway.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+
+class RefundGateway extends Gateway
+{
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $order
+     */
+    public function find($order): array
+    {
+        return [
+            'endpoint' => 'pay/refundquery',
+            'order' => is_array($order) ? $order : ['out_trade_no' => $order],
+            'cert' => false,
+        ];
+    }
+
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws InvalidArgumentException
+     */
+    public function pay($endpoint, ?array $payload)
+    {
+        throw new InvalidArgumentException('Not Support Refund In Pay');
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     */
+    protected function getTradeType()
+    {
+        throw new InvalidArgumentException('Not Support Refund In Pay');
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/ScanGateway.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Symfony\Component\HttpFoundation\Request;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+
+class ScanGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        $payload['spbill_create_ip'] = Request::createFromGlobals()->server->get('SERVER_ADDR');
+        $payload['trade_type'] = $this->getTradeType();
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Scan', $endpoint, $payload));
+
+        return $this->preOrder($payload);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return 'NATIVE';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/Support.php

@@ -0,0 +1,460 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Exception;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\BusinessException;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Pay\Log;
+use Yansongda\Supports\Collection;
+use Yansongda\Supports\Config;
+use Yansongda\Supports\Str;
+use Yansongda\Supports\Traits\HasHttpRequest;
+
+/**
+ * @author yansongda <me@yansongda.cn>
+ *
+ * @property string appid
+ * @property string app_id
+ * @property string miniapp_id
+ * @property string sub_appid
+ * @property string sub_app_id
+ * @property string sub_miniapp_id
+ * @property string mch_id
+ * @property string sub_mch_id
+ * @property string key
+ * @property string return_url
+ * @property string cert_client
+ * @property string cert_key
+ * @property array log
+ * @property array http
+ * @property string mode
+ */
+class Support
+{
+    use HasHttpRequest;
+
+    /**
+     * Wechat gateway.
+     *
+     * @var string
+     */
+    protected $baseUri;
+
+    /**
+     * Config.
+     *
+     * @var Config
+     */
+    protected $config;
+
+    /**
+     * Instance.
+     *
+     * @var Support
+     */
+    private static $instance;
+
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    private function __construct(Config $config)
+    {
+        $this->baseUri = Wechat::URL[$config->get('mode', Wechat::MODE_NORMAL)];
+        $this->config = $config;
+
+        $this->setHttpOptions();
+    }
+
+    /**
+     * __get.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $key
+     *
+     * @return mixed|Config|null
+     */
+    public function __get($key)
+    {
+        return $this->getConfig($key);
+    }
+
+    /**
+     * create.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     *
+     * @return Support
+     */
+    public static function create(Config $config)
+    {
+        if ('cli' === php_sapi_name() || !(self::$instance instanceof self)) {
+            self::$instance = new self($config);
+
+            self::setDevKey();
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * getInstance.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws InvalidArgumentException
+     *
+     * @return Support
+     */
+    public static function getInstance()
+    {
+        if (is_null(self::$instance)) {
+            throw new InvalidArgumentException('You Should [Create] First Before Using');
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * clear.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    public static function clear()
+    {
+        self::$instance = null;
+    }
+
+    /**
+     * Request wechat api.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     * @param array  $data
+     * @param bool   $cert
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public static function requestApi($endpoint, $data, $cert = false): Collection
+    {
+        Events::dispatch(new Events\ApiRequesting('Wechat', '', self::$instance->getBaseUri().$endpoint, $data));
+
+        //xmlData需增加headers配置，否则微信方无法接收到参数
+        $options = [
+            'headers' => [
+                'Content-Type' => 'application/xml',
+            ],
+        ];
+
+        $certOptions = $cert ? [
+            'cert' => self::$instance->cert_client,
+            'ssl_key' => self::$instance->cert_key,
+        ] : [];
+
+        $result = self::$instance->post(
+            $endpoint,
+            self::toXml($data),
+            array_merge($options, $certOptions)
+        );
+        $result = is_array($result) ? $result : self::fromXml($result);
+
+        Events::dispatch(new Events\ApiRequested('Wechat', '', self::$instance->getBaseUri().$endpoint, $result));
+
+        return self::processingApiResult($endpoint, $result);
+    }
+
+    /**
+     * Filter payload.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array        $payload
+     * @param array|string $params
+     * @param bool         $preserve_notify_url
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function filterPayload($payload, $params, $preserve_notify_url = false): array
+    {
+        $type = self::getTypeName($params['type'] ?? '');
+
+        $payload = array_merge(
+            $payload,
+            is_array($params) ? $params : ['out_trade_no' => $params]
+        );
+        $payload['appid'] = self::$instance->getConfig($type, '');
+
+        if (Wechat::MODE_SERVICE === self::$instance->getConfig('mode', Wechat::MODE_NORMAL)) {
+            $payload['sub_appid'] = self::$instance->getConfig('sub_'.$type, '');
+        }
+
+        unset($payload['trade_type'], $payload['type']);
+        if (!$preserve_notify_url) {
+            unset($payload['notify_url']);
+        }
+
+        $payload['sign'] = self::generateSign($payload);
+
+        return $payload;
+    }
+
+    /**
+     * Generate wechat sign.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array $data
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function generateSign($data): string
+    {
+        $key = self::$instance->key;
+
+        if (is_null($key)) {
+            throw new InvalidArgumentException('Missing Wechat Config -- [key]');
+        }
+
+        ksort($data);
+
+        $string = md5(self::getSignContent($data).'&key='.$key);
+
+        Log::debug('Wechat Generate Sign Before UPPER', [$data, $string]);
+
+        return strtoupper($string);
+    }
+
+    /**
+     * Generate sign content.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array $data
+     */
+    public static function getSignContent($data): string
+    {
+        $buff = '';
+
+        foreach ($data as $k => $v) {
+            $buff .= ('sign' != $k && '' != $v && !is_array($v)) ? $k.'='.$v.'&' : '';
+        }
+
+        Log::debug('Wechat Generate Sign Content Before Trim', [$data, $buff]);
+
+        return trim($buff, '&');
+    }
+
+    /**
+     * Decrypt refund contents.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $contents
+     */
+    public static function decryptRefundContents($contents): string
+    {
+        return openssl_decrypt(
+            base64_decode($contents),
+            'AES-256-ECB',
+            md5(self::$instance->key),
+            OPENSSL_RAW_DATA
+        );
+    }
+
+    /**
+     * Convert array to xml.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param array $data
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function toXml($data): string
+    {
+        if (!is_array($data) || count($data) <= 0) {
+            throw new InvalidArgumentException('Convert To Xml Error! Invalid Array!');
+        }
+
+        $xml = '<xml>';
+        foreach ($data as $key => $val) {
+            $xml .= is_numeric($val) ? '<'.$key.'>'.$val.'</'.$key.'>' :
+                                       '<'.$key.'><![CDATA['.$val.']]></'.$key.'>';
+        }
+        $xml .= '</xml>';
+
+        return $xml;
+    }
+
+    /**
+     * Convert xml to array.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $xml
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function fromXml($xml): array
+    {
+        if (!$xml) {
+            throw new InvalidArgumentException('Convert To Array Error! Invalid Xml!');
+        }
+
+        if (PHP_VERSION_ID < 80000) {
+            libxml_disable_entity_loader(true);
+        }
+
+        return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA), JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * Get service config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string|null $key
+     * @param mixed|null  $default
+     *
+     * @return mixed|null
+     */
+    public function getConfig($key = null, $default = null)
+    {
+        if (is_null($key)) {
+            return $this->config->all();
+        }
+
+        if ($this->config->has($key)) {
+            return $this->config[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Get app id according to param type.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $type
+     */
+    public static function getTypeName($type = ''): string
+    {
+        switch ($type) {
+            case '':
+                $type = 'app_id';
+                break;
+            case 'app':
+                $type = 'appid';
+                break;
+            default:
+                $type = $type.'_id';
+        }
+
+        return $type;
+    }
+
+    /**
+     * Get Base Uri.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @return string
+     */
+    public function getBaseUri()
+    {
+        return $this->baseUri;
+    }
+
+    /**
+     * processingApiResult.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     *
+     * @return Collection
+     */
+    protected static function processingApiResult($endpoint, ?array $result)
+    {
+        if (!isset($result['return_code']) || 'SUCCESS' != $result['return_code']) {
+            throw new GatewayException('Get Wechat API Error:'.($result['return_msg'] ?? $result['retmsg'] ?? ''), $result);
+        }
+
+        if (isset($result['result_code']) && 'SUCCESS' != $result['result_code']) {
+            throw new BusinessException('Wechat Business Error: '.$result['err_code'].' - '.$result['err_code_des'], $result);
+        }
+
+        if (false !== strpos($endpoint, 'xdc/apiv2getsignkey') ||
+            false !== strpos($endpoint, 'mmpaymkttransfers') ||
+            self::generateSign($result) === $result['sign']) {
+            return new Collection($result);
+        }
+
+        Events::dispatch(new Events\SignFailed('Wechat', '', $result));
+
+        throw new InvalidSignException('Wechat Sign Verify FAILED', $result);
+    }
+
+    /**
+     * setDevKey.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     * @throws Exception
+     *
+     * @return Support
+     */
+    private static function setDevKey()
+    {
+        if (Wechat::MODE_DEV == self::$instance->mode) {
+            $data = [
+                'mch_id' => self::$instance->mch_id,
+                'nonce_str' => Str::random(),
+            ];
+            $data['sign'] = self::generateSign($data);
+
+            $result = self::requestApi('https://api.mch.weixin.qq.com/xdc/apiv2getsignkey/sign/getsignkey', $data);
+
+            self::$instance->config->set('key', $result['sandbox_signkey']);
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * Set Http options.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    private function setHttpOptions(): self
+    {
+        if ($this->config->has('http') && is_array($this->config->get('http'))) {
+            $this->config->forget('http.base_uri');
+            $this->httpOptions = $this->config->get('http');
+        }
+
+        return $this;
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/TransferGateway.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Symfony\Component\HttpFoundation\Request;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Pay\Gateways\Wechat;
+use Yansongda\Supports\Collection;
+
+class TransferGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): Collection
+    {
+        if (Wechat::MODE_SERVICE === $this->mode) {
+            unset($payload['sub_mch_id'], $payload['sub_appid']);
+        }
+
+        $type = Support::getTypeName($payload['type'] ?? '');
+
+        $payload['mch_appid'] = Support::getInstance()->getConfig($type, '');
+        $payload['mchid'] = $payload['mch_id'];
+
+        if ('cli' !== php_sapi_name() && !isset($payload['spbill_create_ip'])) {
+            $payload['spbill_create_ip'] = Request::createFromGlobals()->server->get('SERVER_ADDR');
+        }
+
+        unset($payload['appid'], $payload['mch_id'], $payload['trade_type'],
+            $payload['notify_url'], $payload['type']);
+
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Transfer', $endpoint, $payload));
+
+        return Support::requestApi(
+            'mmpaymkttransfers/promotion/transfers',
+            $payload,
+            true
+        );
+    }
+
+    /**
+     * Find.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param $order
+     */
+    public function find($order): array
+    {
+        return [
+            'endpoint' => 'mmpaymkttransfers/gettransferinfo',
+            'order' => is_array($order) ? $order : ['partner_trade_no' => $order],
+            'cert' => true,
+        ];
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return '';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/WapGateway.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+
+class WapGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     * @param string $endpoint
+     *
+     * @throws GatewayException
+     * @throws InvalidArgumentException
+     * @throws InvalidSignException
+     */
+    public function pay($endpoint, ?array $payload): RedirectResponse
+    {
+        $payload['trade_type'] = $this->getTradeType();
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Wap', $endpoint, $payload));
+
+        $mweb_url = $this->preOrder($payload)->get('mweb_url');
+
+        $url = is_null(Support::getInstance()->return_url) ? $mweb_url : $mweb_url.
+                        '&redirect_url='.urlencode(Support::getInstance()->return_url);
+
+        return new RedirectResponse($url);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @author yansongda <me@yansongda.cn>
+     */
+    protected function getTradeType(): string
+    {
+        return 'MWEB';
+    }
+}

addons/epay/library/v2/Yansongda/Pay/Gateways/Wechat/WebGateway.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Wechat;
+
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+use Yansongda\Pay\Events;
+use Yansongda\Pay\Exceptions\GatewayException;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+use Yansongda\Pay\Exceptions\InvalidSignException;
+use Yansongda\Supports\Collection;
+
+class WebGateway extends Gateway
+{
+    /**
+     * Pay an order.
+     *
+     * @param string $endpoint
+     * @param array  $payload
+     *
+     * @author yansongda <me@yansongda.cn>
+     *
+     */
+    public function pay($endpoint, ?array $payload): Response
+    {
+        $payload['spbill_create_ip'] = Request::createFromGlobals()->server->get('SERVER_ADDR');
+        $payload['trade_type'] = $this->getTradeType();
+
+        $code_url = $this->preOrder($payload)['code_url'];
+        $params = [
+            'body'         => $payload['body'],
+            'code_url'     => $code_url,
+            'out_trade_no' => $payload['out_trade_no'],
+            'return_url'   => Support::getInstance()->return_url,
+            'total_fee'    => $payload['total_fee'],
+        ];
+
+        $params['sign'] = md5(implode('', $params) . Support::getInstance()->app_id);
+        $endpoint = addon_url("epay/api/wechat");
+
+        Events::dispatch(new Events\PayStarted('Wechat', 'Web/Wap', $endpoint, $payload));
+
+        return $this->buildPayHtml($endpoint, $params);
+    }
+
+    /**
+     * Build Html response.
+     *
+     * @param string $endpoint
+     * @param array  $payload
+     * @param string $method
+     *
+     * @return Response
+     * @author yansongda <me@yansongda.cn>
+     *
+     */
+    protected function buildPayHtml($endpoint, $payload, $method = 'POST'): Response
+    {
+        if (strtoupper($method) === 'GET') {
+            return new RedirectResponse($endpoint . '?' . http_build_query($payload));
+        }
+
+        $sHtml = "<form id='wechat_submit' name='wechat_submit' action='" . $endpoint . "' method='" . $method . "'>";
+        foreach ($payload as $key => $val) {
+            $val = str_replace("'", '&apos;', $val);
+            $sHtml .= "<input type='hidden' name='" . $key . "' value='" . $val . "'/>";
+        }
+        $sHtml .= "<input type='submit' value='ok' style='display:none;'></form>";
+        $sHtml .= "<script>document.forms['wechat_submit'].submit();</script>";
+
+        return new Response($sHtml);
+    }
+
+    /**
+     * Get trade type config.
+     *
+     * @return string
+     * @author yansongda <me@yansongda.cn>
+     *
+     */
+    protected function getTradeType(): string
+    {
+        return 'NATIVE';
+    }
+}