update

app/controller/Wechat.php

@@ -66,9 +66,21 @@ class Wechat
      * @Date   : 2022/9/9 11:32
      * @Author : <Jason.C>
      */
-    public function payment()
+    public function payment(): string
     {
-        return View::fetch();
+        $config =  Config::get('wechat.payment');
+        $payment  = Factory::payment($config);
+        $unify    = $payment->order->unify([
+            'body'         => '商品订单',
+            'out_trade_no' => time(),
+            'total_fee'    => 100,
+            'notify_url'   => '',
+            'trade_type'   => 'JSAPI',
+            'openid'       => '$openid',
+        ]);
+        $prepayId = $unify->prepay_id;
+        $jssdk    = $payment->jssdk->bridgeConfig($prepayId);
+        return View::fetch('', ['jssdk' => $jssdk]);
     }
 
     /**