微信sdk实现多商户支付

项目遇到多商户支付，稍微改了下微信sdk的东西，实现功能　　

 public  function  pay(){
        header("Content-Type:text/html;charset=UTF-8"); 
        $get = I('get.');
        if(empty($get['phone'])){
            echo  "<script language='javascript'>alert('系统错误！');  window.location.href='https://wake.caiguayun.com/home/shopid/".session('nowshopid').'/personnel/'.session('nowpersonnel').";</script>";die;
        }
    
        vendor('Weixin.WxPayJsApiPay');
        vendor('Weixin.WxPayApi');
        vendor('Weixin.log');
        vendor('Weixin.WxPayException');
        
        $Activity = $this->Activity_model->where(array('shopid'=>session('nowshopid'),'status'=>1))->find();
        
        $data = array(
            'order' =>'wake'.time().rand(1111,9999),
            'price' => $Activity['price'],
            'phone' => $get['phone'],
            'openid' =>session('openid'),
            'shopid' =>session('nowshopid'),
            'name' =>session('nickname'),   
            'is_pay' => 0,
            'addtime' => time(),
            'sales' => 1,
            'user_name' => $get['user_name'],
            'form' =>$Activity['id'],
            'personnel' =>session('nowpersonnel'),
        );
       
        $res = M('order')->add($data);
        $tools = new JsApiPay();
        self::UnifiedOrder($data);

        $this->display("");
    }


     public function UnifiedOrder($data)
    {
        $input = new WxPayUnifiedOrder();
        $input->SetBody('挖客宝');
        $input->SetAttach(1);
        $input->SetNonce_str(md5(time()));
        $input->SetOut_trade_no($data['order']);
        //$input->SetTotal_fee($now_price*100);
        $input->SetTotal_fee($data['price']*100);
        $input->SetTime_start(date("YmdHis"));
        $input->SetTime_expire(date("YmdHis", time() + 600));
        $input->SetNotify_url($this->notify);
        $input->SetTrade_type("JSAPI");
        $tools = new JsApiPay();
        $input->SetOpenid(session('openid'));
        $config = new WxPayConfig($appid,$MCHID,$newkeys,$AppSecret,$SignTypes);
        // $config = new WxPayConfig('wxa8f4172d1811fbfa','1525939371','abcd86864f2dca38c2299090bb65acbc','149892d4e4454fb05dd40cace035237c',"HMAC-SHA256");
        $order = WxPayApi::unifiedOrder($config, $input);
        $jsApiParameters = $tools->GetJsApiParameters($order,$config);
        session('jsApiParameters',$jsApiParameters);
    }

<script>
        
    function onBridgeReady(){
        WeixinJSBridge.invoke(
            'getBrandWCPayRequest', <?php echo $_SESSION['jsApiParameters'];?>,
        function(res){
            /* if(res.err_msg == "get_brand_wcpay_request:ok" ) {}     // 使用以上方式判断前端返回,微信团队郑重提示：res.err_msg将在用户支付成功后返回    ok，但并不保证它绝对可靠。*/
            // WeixinJSBridge.log(res.err_msg);
            //alert(res.err_code+res.err_desc+res.err_msg);
            if(res.err_msg == "get_brand_wcpay_request:ok"){
                 window.location.href='https://wake.caiguayun.com/home/index/index/shopid/'+ <?php  echo  session('nowshopid') ? session('nowshopid') : 0;?>+'/personnel/'+ <?php  echo  session('nowpersonnel')? session('nowpersonnel') : 0;?>;
            }else if(res.err_msg == "get_brand_wcpay_request:cancel"){
                window.location.href='https://wake.caiguayun.com/home/index/index/shopid/'+<?php  echo  session('nowshopid')? session('nowshopid') : 0;?> +'/personnel/'+ <?php  echo  session('nowpersonnel')? session('nowpersonnel') : 0;?>;
            }else{
               
            }
        }
    );
    }
    if (typeof WeixinJSBridge == "undefined"){
        if( document.addEventListener ){
            document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
        }else if (document.attachEvent){
            document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
            document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
        }
    }else{
        onBridgeReady();
    }
</script>

链接：https://pan.baidu.com/s/1PyR3XBdKrvli12tFx6W19w
提取码：1lyy

 public  function  pay(){        header("Content-Type:text/html;charset=UTF-8");         $get = I('get.');        if(empty($get['phone'])){            echo  "<script language='javascript'>alert('系统错误！');  window.location.href='https://wake.caiguayun.com/home/shopid/".session('nowshopid').'/personnel/'.session('nowpersonnel').";</script>";die;        }            vendor('Weixin.WxPayJsApiPay');        vendor('Weixin.WxPayApi');        vendor('Weixin.log');        vendor('Weixin.WxPayException');                $Activity = $this->Activity_model->where(array('shopid'=>session('nowshopid'),'status'=>1))->find();                $data = array(            'order' =>'wake'.time().rand(1111,9999),            'price' => $Activity['price'],            'phone' => $get['phone'],            'openid' =>session('openid'),            'shopid' =>session('nowshopid'),            'name' =>session('nickname'),               'is_pay' => 0,            'addtime' => time(),            'sales' => 1,            'user_name' => $get['user_name'],            'form' =>$Activity['id'],            'personnel' =>session('nowpersonnel'),        );               $res = M('order')->add($data);        $tools = new JsApiPay();        self::UnifiedOrder($data);
        $this->display("");    }

     public function UnifiedOrder($data)    {        $input = new WxPayUnifiedOrder();        $input->SetBody('挖客宝');        $input->SetAttach(1);        $input->SetNonce_str(md5(time()));        $input->SetOut_trade_no($data['order']);        //$input->SetTotal_fee($now_price*100);        $input->SetTotal_fee($data['price']*100);        $input->SetTime_start(date("YmdHis"));        $input->SetTime_expire(date("YmdHis", time() + 600));        $input->SetNotify_url($this->notify);        $input->SetTrade_type("JSAPI");        $tools = new JsApiPay();        $input->SetOpenid(session('openid'));        $config = new WxPayConfig('wx9903dba5a4b35192','1521791431','QAZWSXedcRFV12345tgbnhyujmUJMki8','052b463e5e74a81ae404064c8b138df9',"HMAC-SHA256");        // $config = new WxPayConfig('wxa8f4172d1811fbfa','1525939371','abcd86864f2dca38c2299090bb65acbc','149892d4e4454fb05dd40cace035237c',"HMAC-SHA256");        $order = WxPayApi::unifiedOrder($config, $input);        $jsApiParameters = $tools->GetJsApiParameters($order,$config);        session('jsApiParameters',$jsApiParameters);    }