TP5微信支付

雨点打透心脏的1/2处 2022-09-04 07:54 218阅读 0赞

public function pay($openid,$fee,$test)
        {
            //参数定义
            $appid='APPID';
            $appsecret='秘钥';
            $mch_id=‘商户号’;
            $notify_url='异步回调地址';
             
            //获取openid
            /*if(I("post.userid"))
            { 
                $infos=M('weixin_users')->find(I("post.userid"));
                $openid = $infos->openid;
            }*/
            $openid=$openid;
             
            //支付相关设置
            //$fee = I("post.total_fee");
            $fee = $fee;//举例支付0.01
            $body =$test;
            $nonce_str=$this->nonce_str();//随机字符串
      
            $out_trade_no = $this->order_number($openid);//商户订单号
            $spbill_create_ip = '120.27.20.3';//服务器的ip【自己填写】;
            $total_fee =$fee*100;// 微信支付单位是分，所以这里需要*100
            $trade_type = 'JSAPI';//交易类型 默认
         
         
            //这里是按照顺序的 因为下面的签名是按照顺序 排序错误 肯定出错
            $post['appid'] = $appid;
            $post['body'] = $body;
            $post['mch_id'] = $mch_id;
            $post['nonce_str'] = $nonce_str;//随机字符串
            $post['notify_url'] = $notify_url;
            $post['openid'] = $openid;
            $post['out_trade_no'] = $out_trade_no;
            $post['spbill_create_ip'] = $spbill_create_ip;//终端的ip
            $post['total_fee'] = $total_fee;//总金额
            $post['trade_type'] = $trade_type;
             
             
            //插入微信支付表
            // $pay=M('weixin_pay');
            // $count=$pay->where("out_trade_no='".$out_trade_no."'")->count();
      
            $sign = $this->sign($post);//签名
            // return $sign;
            // if($count==0)
            // {
            //     $data=array();
            //     $data['out_trade_no']=$out_trade_no;
            //     $data['status']=1;
            //     $data['create_time']=time();
            //     $data['sign']=$sign;
            //     $data['openid']=$openid;
            //     $data['total_fee']=$total_fee;
            //     $data['trade_type']=$trade_type;
            //     $data['notify_url']=$notify_url;
            //     $pay->add($data);
            // }
             
             
            $post_xml = '<xml>
             <appid>'.$appid.'</appid>
             <body>'.$body.'</body>
             <mch_id>'.$mch_id.'</mch_id>
             <nonce_str>'.$nonce_str.'</nonce_str>
             <notify_url>'.$notify_url.'</notify_url>
             <openid>'.$openid.'</openid>
             <out_trade_no>'.$out_trade_no.'</out_trade_no>
             <spbill_create_ip>'.$spbill_create_ip.'</spbill_create_ip>
             <total_fee>'.$total_fee.'</total_fee>
             <trade_type>'.$trade_type.'</trade_type>
             <sign>'.$sign.'</sign>
            </xml>';
         
        //var_dump($post_xml);
            //print_r($post_xml);die;
            //统一接口prepay_id
            $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
            $xml = $this->http_request($url,$post_xml);
         
         
         
            $array = $this->xml($xml);//全要大写
      
         
            //print_r($array);
            if($array['RETURN_CODE'] == 'SUCCESS' && $array['RESULT_CODE'] == 'SUCCESS'){
                $time = time();
                $tmp=[];//临时数组用于签名
                $tmp['appId'] = $appid;
                $tmp['nonceStr'] = $nonce_str;
                $tmp['package'] = 'prepay_id='.$array['PREPAY_ID'];
                $tmp['signType'] = 'MD5';
                $tmp['timeStamp'] = "$time";
         
         
                $data['state'] = 200;
                $data['timeStamp'] = "$time";//时间戳
                $data['nonceStr'] = $nonce_str;//随机字符串
                $data['signType'] = 'MD5';//签名算法，暂支持 MD5
                $data['package'] = 'prepay_id='.$array['PREPAY_ID'];//统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=*
                $data['paySign'] = $this->sign($tmp);//签名,具体签名方案参见微信公众号支付帮助文档;
                $data['out_trade_no'] = $out_trade_no;
         
         
            }else{
                $data['state'] = 0;
                $data['text'] = "错误";
                $data['RETURN_CODE'] = $array['RETURN_CODE'];
                $data['RETURN_MSG'] = $array['RETURN_MSG'];
            }
         
            return $data;
        }
      
     
     
        //随机32位字符串
        public function nonce_str(){
            $result = '';
            $str = 'QWERTYUIOPASDFGHJKLZXVBNMqwertyuioplkjhgfdsamnbvcxz';
             
            for($i=0;$i<32;$i++){
                 
                $result .= $str[rand(0,48)];
            }
            return $result;
        }
         
         
         
        //生成订单号
        public function order_number($openid){
            //date('Ymd',time()).time().rand(10,99);//18位
            return md5($openid.time().rand(10,99));//32位
        }
         
         
         
        //签名 $data要先排好顺序
        public function sign($data){
            $stringA = '';
            foreach ($data as $key=>$value){
                if(!$value) continue;
                if($stringA) $stringA .= '&'.$key."=".$value;
                else $stringA = $key."=".$value;
            }
            //echo $stringA;
            $wx_key='';//申请支付后有给予一个商户账号和密码，登陆后自己设置的key
            $stringSignTemp = $stringA.'&key='.$wx_key;
            return strtoupper(md5($stringSignTemp));
        }
         
         
        //curl请求
        public function http_request($url,$data = null,$headers=array())
        {
            $curl = curl_init();
            if( count($headers) >= 1 ){
                curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
            }
            curl_setopt($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;
        }
         
         
        //获取xml
        public function xml($xml){
            $p = xml_parser_create();
            xml_parse_into_struct($p, $xml, $vals, $index);
            xml_parser_free($p);
            $data = [];
            foreach ($index as $key=>$value) {
                if($key == 'xml' || $key == 'XML') continue;
                    $tag = $vals[$value[0]]['tag'];
                    $value = $vals[$value[0]]['value'];
                    $data[$tag] = $value;
                }
            return $data;
        }
         
        public function wechatNotify()
        {
            //存储微信的回调
            $xml = file_get_contents("php://input");
             
            $arr = $this -> XmlToArr($xml);
             
             
            $out_trade_no    = $arr['out_trade_no'];
            $openid=$arr['openid'];//openid
            $sign=$arr['sign'];//校验码
            $total_fee=$arr['total_fee'];//订单金额
            $transaction_id=$arr['transaction_id'];//微信支付号
             
             
            // $pay=M('weixin_pay');
            // $count=$pay->where(array('out_trade_no'=>$out_trade_no))->count();
             
             
            $myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
            $txt = $out_trade_no."\n";
            fwrite($myfile, $txt);
            $txt = $openid."\n";
            fwrite($myfile, $txt);
            $txt='count:'.$count;
            fwrite($myfile, $txt);
            fclose($myfile);
             
             
            if($count==1)
            {
                $info=$pay->where(array('out_trade_no'=>$out_trade_no))->field('id,openid,total_fee')->find();
                if($info['openid']==$openid && $total_fee==$info['total_fee']) {
                    //更新微信支付表
                    $data=array();
                    $data['update_time']=time();
                    $data['status']=2;
                    $data['transaction_id']=$transaction_id;
                    $pay->where("openid='".$openid."' and out_trade_no='".$out_trade_no."'")->save($data);
              
                }
                 
            }
            echo 'success';
        }
         
         
         
        public function XmlToArr($xml)
        {   
            if($xml == '') return '';
            libxml_disable_entity_loader(true);
            $arr = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);       
            return $arr;
        }