init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

addons/epay/library/v3/Yansongda/Pay/Packer/QueryPacker.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yansongda\Pay\Packer;
+
+use Yansongda\Pay\Contract\PackerInterface;
+use Yansongda\Supports\Str;
+
+class QueryPacker implements PackerInterface
+{
+    public function pack(array $payload): string
+    {
+        return http_build_query($payload, '', '&');
+    }
+
+    public function unpack(string $payload): ?array
+    {
+        if (empty($payload) || !Str::contains($payload, '=')) {
+            return [];
+        }
+
+        $result = [];
+
+        foreach (explode('&', $payload) as $item) {
+            $pos = strpos($item, '=');
+
+            $result[substr($item, 0, $pos)] = substr($item, $pos + 1);
+        }
+
+        return $result;
+    }
+}