wap端微信h5支付，用于非微信浏览器

阳光穿透心脏的1/2处 2022-06-02 23:08 220阅读 0赞

做项目碰到了wap端实现微信支付，听朋友说微信有wap端的h5支付，就看了下这块的接口，记录下供以后方便查看

（具体的接口可以查看商户平台说明：https://pay.weixin.qq.com/wiki/doc/api/H5.php?chapter=15_1）

<?php
    /**
     *非微信浏览器 调用微信h5支付
     */
    namespace app\mobile\controller;
    
    use think\Controller;
    use think\Loader;
    use think\Request;
    use think\Url;
    use think\Config;
    use think\Page;
    
    class Wxpay extends MobileBase
    {
    
        /**
         * @return array  下单方法
         */
        public function wxpaymoney(Request $request)
        {
            $param=$request->param();
            if (!empty($param)){
                $param = json_decode(json_encode(simplexml_load_string($param, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
                echo '-------';
                p($param);
                echo '*******';
            }
    
            $url='https://api.mch.weixin.qq.com/pay/unifiedorder';  //下单地址
            $appid='appid';//公众号appid
            $appsecret='appsecret';
            $mch_id='商户平台id';//商户平台id
            $nonce_str='qyzf'.rand(100000, 999999);//随机数
            $out_trade_no='wap'.date('YmdHis').rand(100000,999999);
            $ip=$this->getClientIp();
            $scene_info='{"h5_info": {"type":"Wap","app_name": "project info","package_name": "wap订单微信支付"}}';
    //        $appidInfo=$this->getTokens($appid,$appsecret);
    //        echo '=======';
    //        p($appidInfo);
    //        echo '*******';die;
    //        $openid=$appidInfo['openid'];
            $total_fee=1;
            $trade_type='MWEB';
            $attach='wap支付测试';
            $body='H5支付测试';
            $notify_url='http://m.xxxxx.com/Mobile/Wxpay/wxnotify.html';
            $arr=[
                'appid'=>$appid,
                'mch_id'=>$mch_id,
                'nonce_str'=>$nonce_str,
                'out_trade_no'=>$out_trade_no,
                'spbill_create_ip'=>$ip,
                'scene_info'=>$scene_info,
    //            'openid'=>$openid,
                'total_fee'=>$total_fee,
                'trade_type'=>$trade_type,
                'attach'=>$attach,
                'body'=>$body,
                'notify_url'=>$notify_url
            ];
            $sign=$this->getSign($arr);
            //<openid>'.$openid.'</openid>
            $data='<xml>
     <appid>'.$appid.'</appid>
     <attach>'.$attach.'</attach>
     <body>'.$body.'</body>
     <mch_id>'.$mch_id.'</mch_id>
     <nonce_str>'.$nonce_str.'</nonce_str>
     <notify_url>'.$notify_url.'</notify_url>
     <out_trade_no>'.$out_trade_no.'</out_trade_no>
     <spbill_create_ip>'.$ip.'</spbill_create_ip>
     <total_fee>'.$total_fee.'</total_fee>
     <trade_type>'.$trade_type.'</trade_type>
     <scene_info>'.$scene_info.'</scene_info>
     <sign>'.$sign.'</sign>
     </xml>';
            $result=$this->https_request($url,$data);
            echo '====================';
            var_dump($result);
            echo '*******************';
            //禁止引用外部xml实体
            libxml_disable_entity_loader(true);
            $result_info = json_decode(json_encode(simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
            p($result_info);
            echo '<a href="'.$result_info['mweb_url'].'">测试微信支付</a>';die;
        }
    
        /**
         *curl请求
         */
        private function https_request($url, $data = null) {
            p($data);
            $curl = curl_init ();
            curl_setopt ( $curl, CURLOPT_URL, $url );
            curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, FALSE );
            curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, FALSE );
            if (! empty ( $data )) {
                curl_setopt ( $curl, CURLOPT_POST, 1 );
                curl_setopt ( $curl, CURLOPT_POSTFIELDS, $data );
            }
            curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 );
            $output = curl_exec ( $curl );
            curl_close ( $curl );
            return $output;
        }
    
        /**
         * @return 获取ip
         */
        private function getClientIp()
        {
            $cip='unknown';
            if ($_SERVER['REMOTE_ADDR']){
                $cip=$_SERVER['REMOTE_ADDR'];
            }elseif (getenv($_SERVER['REMOTE_ADDR'])){
                $cip=getenv($_SERVER['REMOTE_ADDR']);
            }
            return $cip;
        }
    
        /**
         * @return 异步通知
         */
        public function wxnotify(Request $request)
        {
            Loader::import('payment.wxwap.PayNotifyCallBacks');
            $notify=new \PayNotifyCallBacks();
            $notify->Handle(false);
            die;
        }
    
        /**
         * @param Request 
         */
        public function wxcallback(Request $request)
        {
            $data=$request->param();
            file_put_contents('./testwx1.txt','888888888888888'.$data['orderid'].'-----'.$data['transaction_id'].'******');
    
        }
        /**
         *     作用：格式化参数，签名过程需要使用
         */
        public function formatBizQueryParaMap($paraMap, $urlencode)
        {
    //        var_dump($paraMap);//die;
            $buff = "";
            ksort($paraMap);
            foreach ($paraMap as $k => $v)
            {
                if($urlencode)
                {
                    $v = urlencode($v);
                }
                //$buff .= strtolower($k) . "=" . $v . "&";
                $buff .= $k . "=" . $v . "&";
            }
            $reqPar='';
            if (strlen($buff) > 0)
            {
                $reqPar = substr($buff, 0, strlen($buff)-1);
            }
            p($reqPar);//die;
            return $reqPar;
        }
    
        /**
         *     作用：生成签名
         */
        public function getSign($Obj)
        {
            p($Obj);//die;
            foreach ($Obj as $k => $v)
            {
                $Parameters[$k] = $v;
            }
            //签名步骤一：按字典序排序参数
            ksort($Parameters);
            $String = $this->formatBizQueryParaMap($Parameters, false);
            //echo '【string1】'.$String.'</br>';
            //签名步骤二：在string后加入KEY   5a02bd8ecxxxxxxxxxxxxc1aae7d199  这里的秘钥是 商户平台设置的一定要改不然报签名错误
            $String = $String."&key=5a02bd8ecxxxxxxxxxxxxc1aae7d199";
            //echo "【string2】".$String."</br>";
            //签名步骤三：MD5加密
            $String = md5($String);
            //echo "【string3】 ".$String."</br>";
            //签名步骤四：所有字符转为大写
            $result_ = strtoupper($String);
            //echo "【result】 ".$result_."</br>";
            return $result_;
        }
    
    
        private function httpGet($url) {
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($curl, CURLOPT_TIMEOUT, 500);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($curl, CURLOPT_URL, $url);
    
            $res = curl_exec($curl);
            curl_close($curl);
    
            return $res;
        }
    }
    测试demo（PHP版）：    http://download.csdn.net/download/u010533511/10155017