初始化

缺陷：主题配色需要优化整体的同风格

app/Http/Controllers/Wx/ThemeController.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Http\Controllers\Wx;
+
+use App\BaseApp\BaseController;
+use App\Service\wx\WxPayService;
+use App\Service\wx\WxThemeService;
+use Illuminate\Http\JsonResponse;
+
+/**
+ * 小程序主题下发与支付回调（均免鉴权）
+ */
+class ThemeController extends BaseController
+{
+    protected array $exceptRoute = ['list', 'option', 'detail', 'create', 'update', 'delete'];
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->service = WxThemeService::getInstance();
+    }
+
+    /**
+     * 当前主题
+     * @Method GET
+     */
+    public function theme(): JsonResponse
+    {
+        return jok($this->service->current((string) request()->get('code', '')));
+    }
+
+    /**
+     * 可选风格
+     * @Method GET
+     */
+    public function themeGallery(): JsonResponse
+    {
+        return jok($this->service->gallery());
+    }
+
+    /**
+     * 微信支付回调
+     *
+     * 必须用原始报文验签：先 json_decode 再 encode 回去，字节顺序变了签名就对不上。
+     * @Method POST
+     */
+    public function payNotify(): JsonResponse
+    {
+        $headers = [];
+        foreach (['wechatpay-timestamp', 'wechatpay-nonce', 'wechatpay-signature', 'wechatpay-serial'] as $key) {
+            $headers[$key] = (string) request()->header($key, '');
+        }
+        $result = WxPayService::getInstance()->handleNotify($headers, request()->getContent());
+        return response()->json($result);
+    }
+}