微信H5支付瀏覽器支付

時間 2019-11-06

原文原文鏈接

//微信支付
Route::get('wechat', 'ZhifuController@wechat');
//微信支付成功完成後回調地址
Route::post('wenotify','ZhifuController@wenotify');
//微信支付成功後跳轉頁面
Route::get('wechat_ok', 'ZhifuController@wechat_ok');php

==================================================html

$.ajax({
    type:'get',
    dataType:'html',
    //async : true,
    data: {
        'zhifujiage': $('#zhifujiage').val(),
        'erweima' : $('#erweima').val(),
        'zhifufangshi': 'wechat'
    },
    url:'{{url('wechat')}}',
    success:function(data) {
        //alert(data);
        window.location.href = data;
    }
});web

=====================================================ajax

public function wechat()
   {
       //微信支付
       $outTradeNum = 'wechat'.time();
        $payAmount = request::input('zhifujiage');
        $subject = '商品內容';算法

        $appid = "wx72703c3036123456";     //應用 APPID
        $mch_id = "1549212345";                    //微信支付商戶號
        $out_trade_no = $outTradeNum;        //平臺內部訂單號
       $nonce_str = $this->createNoncestr();   //隨機字符串
       $body = $subject;    //內容
       $total_fee = $payAmount * 100;   //金額，轉化成分單位
       $spbill_create_ip = $this->Ip();     //IP
       $notify_url = "http://www.xxxxx.com/wenotify"; //回調地址
       $trade_type = 'MWEB';//交易類型具體看 API 裏面有詳細介紹
       $scene_info ='{"h5_info":{"type":"Wap","wap_url":"http://www.xxxxx.com","wap_name":"創咖寄賣"}}';//場景信息必要參數
       //拼接字符串注意順序微信有個測試網址順序按照他的來直接點下面的校訂測試包括下面 XML 是否正確
       $signA ="appid=$appid&attach=$out_trade_no&body=$body&mch_id=$mch_id&nonce_str=$nonce_str&notify_url=$notify_url&out_trade_no=$out_trade_no&scene_info=$scene_info&spbill_create_ip=$spbill_create_ip&total_fee=$total_fee&trade_type=$trade_type";
       //微信商戶 API 密鑰，申請支付後有給予一個商戶帳號和密碼，登錄後本身設置key
       $key = "wwwxxxxxjimaicom000000000000000";
       $strSignTmp = $signA . "&key = $key";
       // MD5 後轉換成大寫
       $sign = strtoupper(MD5($strSignTmp));
       //拼接成 XML 格式
       $post_data = "<xml>
                            <appid>$appid</appid>
                            <mch_id>$mch_id</mch_id>
                            <body>$body</body>
                            <out_trade_no>$out_trade_no</out_trade_no>
                            <total_fee>$total_fee</total_fee>
                            <spbill_create_ip>$spbill_create_ip</spbill_create_ip>
                            <notify_url>$notify_url</notify_url>
                            <trade_type>$trade_type</trade_type>
                            <scene_info>$scene_info</scene_info>
                            <attach>$out_trade_no</attach>
                            <nonce_str>$nonce_str</nonce_str>
                            <sign>$sign</sign>
                    </xml>";
       //微信傳參地址
       $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
       //後臺 POST 微信傳參地址同時取得微信返回的參數
       $dataxml = $this->postXmlCurl($post_data, $url);
       //將微信返回的 XML 轉換成數組
       $objectxml = (array)simplexml_load_string($dataxml, 'SimpleXMLElement', LIBXML_NOCDATA);
        // 能夠在 MWEB_URL 後拼接上 redirect_url 參數，來指定回調頁面
       $returnUrl = "http://www.xxxxx.com/wechat_ok";
       $return_Url = urlencode($returnUrl);
       return $objectxml['mweb_url'] . '&redirect_url=' . $return_Url;
   }json

=====================================================api

   public function wenotify()
    {
       //微信支付回調頁面，靜默執行
        //回調地址接收的數據
//{"appid":"wx72703c3036a8197b","bank_type":"CFT","cash_fee":"1","fee_type":"CNY","is_subscribe":"Y","mch_id":"1549232891","nonce_str":"vhJeE1k7lxz5Ankz","openid":"ouzAowGMNiks9R62cw5NZas9BvlQ","out_trade_no":"wechat1566399864","result_code":"SUCCESS","return_code":"SUCCESS","sign":"E5E1040F24C88E48130F5275BD19EA7C","time_end":"20190821230428","total_fee":"1","trade_type":"MWEB","transaction_id":"4200000374201908217238359011"}   數組

        //得到返回的XML數據
        $xml = file_get_contents("php://input");
       //將服務器返回的XML數據轉化爲數組,引用格式 $data['appid'];
       $data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
       // 保存微信服務器返回的簽名sign
          $data_sign = $data['sign'];
          // sign不參與簽名算法
          unset($data['sign']);
          $sign = $this->signs($data);
        $result='';
          // 判斷簽名是否正確判斷支付狀態
          if ( ($sign===$data_sign) && ($data['return_code']=='SUCCESS') && ($data['result_code']=='SUCCESS') )
          {
              //$data爲獲取服務器返回的數據
                $result = $data;
             //這裏進行業務邏輯處理。。。。。。
          }else{
            $str='<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[簽名失敗]]></return_msg></xml>';
          }
          // 返回狀態給微信服務器
          if ($result) {
              $str='<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
          }else{
              $str='<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[簽名失敗]]></return_msg></xml>';
          }
          return $str;
    }服務器

==============================================================微信

public function wechat_ok()
   {
       //跳轉後的處理。。。。
   }

==============================================================

public function Ip()
   {
       //得到ip
          if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
              $ip = getenv('HTTP_CLIENT_IP');
          } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
              $ip = getenv('HTTP_X_FORWARDED_FOR');
          } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
              $ip = getenv('REMOTE_ADDR');
          } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
              $ip = $_SERVER['REMOTE_ADDR'];
          }
          return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
   }

-----------------------------------------------------

public function createNoncestr( $length = 32 )
   {
       //隨機32位長度的字符串
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str ="";
        for ( $i = 0; $i < $length; $i++ ) {
            $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);
        }
        return $str;
   }

----------------------------------------------------------

-----------------------------------------

private function signs($data)
    {
       //簽名算法
        $stringA = '';
        foreach ($data as $key=>$value){
            if(!$value) continue;
            if($stringA) $stringA .= '&'.$key."=".$value;
            else $stringA = $key."=".$value;
        }
        //申請支付後有給予一個商戶帳號和密碼，登錄後本身設置key
        $wx_key = 'wwwxxxxxjimaicom1234567891234';
       $stringSignTemp = $stringA.'&key='.$wx_key;
       return strtoupper(md5($stringSignTemp));
   }

-------------------------------------------