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1.打開(kāi)app/config/wechat.php，配置微信支付參數(shù)：

  /*   * 微信支付   */   'payment' => [     'merchant_id'    => env('WECHAT_PAYMENT_MERCHANT_ID', 'your-mch-id'),//商家號(hào)ID，請(qǐng)將其放在.env文件中     'key'        => env('WECHAT_PAYMENT_KEY', 'key-for-signature'),//商家支付key，請(qǐng)將其放在.env文件中     'cert_path'     => env('WECHAT_PAYMENT_CERT_PATH', storage_path('app/public/apiclient_cert.pem')), //微信支付證書apiclient_cert.pem的絕對(duì)路徑，我放在storage/app/public/下     'key_path'      => env('WECHAT_PAYMENT_KEY_PATH', storage_path('app/public/apiclient_key.pem')),   //微信支付證書apiclient_key.pem的絕對(duì)路徑，我放在storage/app/public/下徑     // 'device_info'   => env('WECHAT_PAYMENT_DEVICE_INFO', ''),     // 'sub_app_id'   => env('WECHAT_PAYMENT_SUB_APP_ID', ''),     // 'sub_merchant_id' => env('WECHAT_PAYMENT_SUB_MERCHANT_ID', ''),     // ...   ],

以上參數(shù)，請(qǐng)依照自己的情況配置，請(qǐng)勿直接拷貝代碼！

2.配置微信支付和回調(diào)路由

//以下路由我放在api.php路由里，如果你放在web.php路由，請(qǐng)自行調(diào)整！Route::middleware('api')->post('wxpay','BillsController@wxpay');Route::middleware('api')->post('wx_notify','BillsController@wxnotify');

3.在相應(yīng)的控制器里創(chuàng)建wxpay的方法

 /**  * 這是我自己項(xiàng)目的內(nèi)部代碼示例，具體根據(jù)自己的業(yè)務(wù)邏輯調(diào)整，切不可直接拷貝！  */  public function wxpay(Request $request)  {    //本實(shí)例傳遞的參數(shù)為user_id 和 broadcast_id，具體    if($request->has('user_id') && $request->has('broadcast_id')){      $out_trade_no = md5(Carbon::now().str_random(8));      $user_id = $request->get('user_id');      $broadcast_id = $request->get('broadcast_id');      $num = $request->get('num');      $flag = $request->get('flag');      $openid = $this->user->getOpenid($user_id);      $broadcast = $this->broadcast->getById($broadcast_id);      $speaker_id = $broadcast->speaker_id;      $body = $broadcast->title;      $detail = '';      $paid_at = null;      $status = 'pre_paid';      $amount = ($broadcast->price)*$num;      $attributes = [        'trade_type'    => 'JSAPI', // JSAPI，NATIVE，APP...        'body'       => $body,         'detail'      => $detail,        'out_trade_no'   => $out_trade_no,        'total_fee'    => $amount, // 單位：分        'notify_url'    => $_ENV['APP_URL'].'/api/wx_notify', // 支付結(jié)果通知網(wǎng)址，如果不設(shè)置則會(huì)使用配置里的默認(rèn)地址        'openid'      => $openid, // trade_type=JSAPI，此參數(shù)必傳，用戶在商戶appid下的唯一標(biāo)識(shí)，        // ...      ];      $order = new Order($attributes);      $result = $this->wechat->payment->prepare($order);      if ($result->return_code == 'SUCCESS' && $result->result_code == 'SUCCESS'){        //創(chuàng)建預(yù)訂單        $param = [          'out_trade_no'=>$out_trade_no,          'user_id'=>$user_id,          'broadcast_id'=>$broadcast_id,          'speaker_id'=>$speaker_id,          'body'=>$body,          'detail'=>$detail,          'paid_at'=>$paid_at,          'amount'=>$amount,          'flag'=>$flag,          'status'=>$status,          'num'=>$num        ];        $this->bill->store($param);        //返回        $prepayId = $result->prepay_id;        $config = $this->wechat->payment->configForPayment($prepayId,false);        return response()->json($config);      }    }  }