init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

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';
+    }
+}