PHP が WeChat エンタープライズ決済の変化を実現

//公众账号appid $data["mch_appid"] = 'appid'; //商户号 $data["mchid"] = ''; //随机字符串 $data["nonce_str"] = 'suiji'.mt_rand(100,999); //商户订单号 $data["partner_trade_no"]=date('YmdHis').mt_rand(1000,9999); //金额 用户输入的提现金额需要乘以100 $data["amount"] = $money; //企业付款描述 $data["desc"] = '企业付款到个人零钱'; //用户openid $data["openid"] = $openid; //不检验用户姓名 $data["check_name"] = 'NO_CHECK'; //获取IP $data['spbill_create_ip']=$_SERVER['SERVER_ADDR']; //商户密钥 $data['key']=''; //商户证书 商户平台的API安全证书下载 $data['apiclient_cert.pem'] $data['apiclient_key.pem']

/** **开始支付 / public function userpay(){ $money = ‘用户输入提现金额'; $info['money'] = ‘用户余额'; if ($this->openid && $money){ if ($money>$info['money'] ){ echo json_encode([ 'status' => 1, 'message' => '余额不足，不能提现！', 'code'=>'余额不足，不能提现！' ]); }elseif ($money<1){ echo json_encode([ 'status' => 2, 'message' => '提现金额不能小于1元', 'code'=>'提现金额太低' ]); }else{ $openid = $this->openid; $trade_no = date('YmdHis').mt_rand(1000,9999); $res = $this->pay($openid,$trade_no,$money*100,'微信提现'); //结果打印 if($res['result_code']=="SUCCESS"){ echo json_encode([ 'status' => 3, 'message' => '提现成功！', ]); }elseif ($res['err_code']=="SENDNUM_LIMIT"){ echo json_encode([ 'status' => 4, 'message' => '提现失败！', 'code'=>'每日仅能提现一次', ]); }else{ echo json_encode([ 'status' => 5, 'message' => '提现失败！', 'code'=>$res['err_code'], ]); } } }else{ echo json_encode([ 'status' => 5, 'message' => '未检测到您当前微信账号~', ]); } }

/** *支付方法 / public function pay($openid,$trade_no,$money,$desc){ $params["mch_appid"]=''; $params["mchid"] = ''; $params["nonce_str"]= 'suiji'.mt_rand(100,999); $params["partner_trade_no"] = $trade_no; $params["amount"]= $money; $params["desc"]= $desc; $params["openid"]= $openid; $params["check_name"]= 'NO_CHECK'; $params['spbill_create_ip'] = $_SERVER['SERVER_ADDR']; //生成签名 $str = 'amount='.$params["amount"].'&check_name='.$params["check_name"].'&desc='.$params["desc"].'&mch_appid='.$params["mch_appid"].'&mchid='.$params["mchid"].'&nonce_str='.$params["nonce_str"].'&openid='.$params["openid"].'&partner_trade_no='.$params["partner_trade_no"].'&spbill_create_ip='.$params['spbill_create_ip'].'&key=商户密钥'; //md5加密 转换成大写 $sign = strtoupper(md5($str)); //生成签名 $params['sign'] = $sign; //构造XML数据 $xmldata = $this->array_to_xml($params); //数组转XML $url='https://api.mch.weixin.qq.com/mmpaymkttransfers/prom otion/transfers'; //发送post请求 $res = $this->curl_post_ssl($url, $xmldata); //curl请求 if(!$res){ return array('status'=>1, 'msg'=>"服务器连接失败" ); } //付款结果分析 $content = $this->xml_to_array($res); //xml转数组 return $content; }

/** * curl请求 / public function curl_post_ssl($url, $xmldata, $second=30,$aHeader=array()){ $ch = curl_init(); //超时时间 curl_setopt($ch,CURLOPT_TIMEOUT,$second); curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1); //这里设置代理，如果有的话 //curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98'); //curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false); //默认格式为PEM，可以注释 curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM'); //绝对地址可使用 dirname(__DIR__)打印，如果不是绝对地址会报 58 错误 curl_setopt($ch,CURLOPT_SSLCERT,' 绝对地址/apiclient_cert.pem'); curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLKEY,'绝对地址/apiclient_key.pem'); if( count($aHeader) >= 1 ){ curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader); } curl_setopt($ch,CURLOPT_POST, 1); curl_setopt($ch,CURLOPT_POSTFIELDS,$xmldata); $data = curl_exec($ch); if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "call faild, errorCode:$error\n"; die(); curl_close($ch); return false; } }

/** * array 转 xml * 用于生成签名 */ public function array_to_xml($arr){ $xml = ""; foreach ($arr as $key => $val) { if (is_numeric($val)) { $xml .= "<" .$key.">".$val.""; } else $xml .= "<".$key.">"; } $xml .= ""; return $xml; } /** * xml 转化为array */ public function xml_to_array($xml){ //禁止引用外部xml实体 libxml_disable_entity_loader(true); $values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $values; }