支付完成回调

app/controller/Wechat.php

@@ -7,7 +7,6 @@ use app\model\Payment;
 use EasyWeChat\Factory;
 use EasyWeChat\OfficialAccount\Application;
 use think\facade\Config;
-use think\facade\Db;
 use think\facade\Request;
 use think\facade\Route;
 use think\facade\View;
@@ -128,7 +127,21 @@ class Wechat
      */
     public function paid()
     {
+        $this->initWechat();
 
+        return $this->app->handlePaidNotify(function ($message, $fail) {
+            $order = Payment::where('trade_no', $message['out_trade_no'])->find();
+
+            if (! $order || $order->paid_at) {
+                return true;
+            }
+
+            if (key_exists('result_code', $message) && $message['result_code'] === 'SUCCESS') {
+                $order->paid();
+            } else {
+                $fail('Order not exists.');
+            }
+        });
     }
 
 }