微信企业转账【完整DEMO代码】

 /**
 *   配置账号信息
 *   配置要和证书在一起！！！！
 */

 class WxTransfersConfig
 {
     //=======【基本信息设置】=====================================
     //
     /**
      * TODO: 修改这里配置为您自己申请的商户信息
      * 微信公众号信息配置
      *
      * APPID：绑定支付的APPID（必须配置，开户邮件中可查看）
      *
      * MCHID：商户号（必须配置，开户邮件中可查看）
      *
      * KEY：商户支付密钥，参考开户邮件设置（必须配置，登录商户平台自行设置）
      * 设置地址：https://pay.weixin.qq.com/index.php/account/api_cert
      *
      */
     const APPID = '';
     const MCHID = '';
     const KEY = '';
     //=======【证书路径设置】=====================================
     /**
      * TODO：设置商户证书路径
      * 证书路径,注意应该填写绝对路径,发送红包和查询需要，可登录商户平台下载
      * API证书下载地址：https://pay.weixin.qq.com/index.php/account/api_cert，下载之前需要安装商户操作证书）
      * @var path 跟这个文件同一目录下的cert文件夹放置证书！！！！
      */
     const SSLCRET12 = 'cert/apiclient_cert.p12';
     const SSLCERT_PATH = 'cert/apiclient_cert.pem';
     const SSLKEY_PATH = 'cert/apiclient_key.pem';
     const SSLROOTCA = 'cert/rootca.pem';

     //=======【证书路径设置】=====================================
     /**
      * 获取文件的路径，证书需要完整路径
      * @return string
      */
     public static function getRealPath(){
         return __DIR__.'/';
     }
 }

 require_once "WxTransfers.Config.php";

 /**
  * 微信企业转账工具类
  */
 class WxTransfers
 {
     // 企业转账请求地址
     const TRANSFERS_URL = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';

     //获取转账信息地址
     const GETINFO_URL='https://api.mch.weixin.qq.com/mmpaymkttransfers/gettransferinfo';

     // 转账需要的配置 'wxappid','mch_id','key'
     private $_keys;

     // 转账需要的证书文件 'api_cert', 'api_key', 'rootca',请传入绝对路径！！！
     private $_cert;

     protected $log_file;

     public $error;

     // 相关配置必备参数
     protected $_parameters = array();

     // 最后一次生产的订单号
     protected $_lastPartnerTradeNo;

     // 记录最后一次发送请求的结果对象
     protected $_lastResult;

     // 最后一次随机数
     protected $_lastRandNum;

     public function __construct($config)
     {
         $keys = array(
             'wxappid',
             'mch_id',
             'key'
         );
         $files = array(
             'api_cert',
             'api_key',
             'rootca'
         );

         foreach ($keys as $key) {
             try {
                 $this->_keys[$key] = $config[$key];
             } catch (Exception $e) {
                 throw new Exception('参数缺失：' . $key);
             }
         }

         foreach ($files as $file) {
             try {
                 $cret_file = $config[$file];
                 if (is_file($cret_file)) {
                     $this->_cert[$file] = $cret_file;
                 }
             } catch (Exception $e) {
                 throw new Exception('证书错误');
             }
         }
     }

     public function transfers($parameters){

         $this->log($parameters, 'SEND_PARAM');

         $this->setParameter('mchid', $this->_keys['mch_id']);
         $this->setParameter('mch_appid', $this->_keys['wxappid']);

         $must = array(
             'openid',
             'check_name',
             're_user_name',
             'amount',
             'desc',
             'spbill_create_ip',
         );
         foreach ($must as $key) {
             if (isset($parameters[$key]) && $parameters[$key]) {
                 $this->setParameter($key, $parameters[$key]);
             } else
                 if (! isset($this->_parameters[$key]) || ! $this->_parameters[$key]) {
                     $this->error = '参数缺损:' . $key;
                     return false;
                 }
         }
         if (! isset($parameters['partner_trade_no'])) {
             $parameters['partner_trade_no'] = $this->getPartnerTradeNo();
         }

         $this->setParameter('partner_trade_no', $parameters['partner_trade_no']);

         $this->setParameter('nonce_str', $this->getRand(30, 3));

         $postXml = $this->_createXml();

         if (! $postXml) {
             return false;
         }
         $this->log($postXml, 'SEND_XML');

         $result = $this->curl_post_ssl(self::TRANSFERS_URL, $postXml);

         $this->log($result, 'RESULT_XML');

         if (! $result) {
             return false;
         }
         $resultObj = simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA);

         $this->_lastResult = $resultObj;

         if ($resultObj->return_code == 'SUCCESS') { // 成功标识

             if ($resultObj->result_code == 'SUCCESS') {

                 return $resultObj->send_listid;
             }

             if ($resultObj->return_msg) {
                 $this->error = (string) $resultObj->return_msg;
                 return false;
             }

             $this->error = (string) $resultObj->err_code_des;
             return false;
         }

         if ($resultObj->return_code != 'FAIL') {
             $this->error = '返回信息格式异常';
             return false;
         }

         $this->error = (string) $resultObj->return_msg;
         return false;
     }

     /**
      * 获取转账信息
      * @param unknown $partner_trade_no
      * @return boolean|SimpleXMLElement
      */
     public function getInfo($partner_trade_no){
         $param = array(
             'nonce_str' => $this->getRand(30, 3),
             'partner_trade_no'=> $partner_trade_no ,
             'mch_id'    => $this->_keys['mch_id'],
             'appid'     => $this->_keys['wxappid'],
         );

         ksort($param);
         $unSignParaString = $this->_formatQueryParaMap($param, false);
         $param['sign'] = $this->_sign($unSignParaString, $this->_keys['key']);

         $xml = $this->arrayToXml($param);

         $this->log($xml, 'GETINFO_XML');

         $result = $this->curl_post_ssl(self::GETINFO_URL, $xml);

         if(!$result){
             return false ;
         }

         $this->log($result, 'RESULT_XML');

         $resultObj = simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA);
         $this->_lastResult = $resultObj ;
         if($resultObj->return_code == 'SUCCESS'){//成功标识

             if($resultObj->result_code == 'SUCCESS'){
                 return $resultObj ;
             }

             if($resultObj->return_msg){
                 $this->error = $resultObj->return_msg ;
                 return false ;
             }

             $this->error = $resultObj->err_code_des ;
             return false ;
         }

         if($resultObj->return_code != 'FAIL'){
             $this->error = '返回信息格式异常';
             return false ;
         }

         $this->error = $resultObj->return_msg ;
         return false ;
     }
     /**
      * 设置所需要的参数
      * @param  $parameter 键值数组/键
      * @param  $value 值
      * @return WxBonusApi
      */
     public function setParameter($parameter, $value = null)
     {
         if (! is_array($parameter)) {
             return $this->setParameter(array(
                 $parameter => $value
             ));
         }

         foreach ($parameter as $key => $value) {
             $key = trim($key);
             $value = trim($value);
             $this->_parameters[$key] = $value;
         }
         return $this;
     }

     /**
      * 获取参数值
      * @param  $parameter 键名
      * @return multitype:
      */
     public function getParameter($parameter)
     {
         return $this->_parameters[$parameter];
     }

     /**
      * 获取随机数
      * @param number $len 随机数的位数
      * @param number $type 取值范围 1表示数字 2小写字母 4大写字母
      * @return string
      */
     public function getRand($len = 30, $type = 0)
     {
         $str = '';
         $max = - 1;

         if (! $type) {
             $type = 3;
         }

         if ($type & 1) {
             $str .= '1234567890';
             $max += 10;
         }

         if ($type & 2) {
             $str .= 'abcdefghijklmnopqrstuvwxyz';
             $max += 26;
         }

         if ($type & 4) {
             $str .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
             $max += 26;
         }

         $rand = '';
         for ($i = 0; $i < $len; $i ++) {
             $rand .= $str[rand(0, $max)];
         }

         return $rand;
     }

     /**
      * 生成商户的订单号
      * @return string
      */
     public function getPartnerTradeNo()
     {
         $this->_lastPartnerTradeNo = $this->_parameters['mch_id'] . date('YmdHis') . $this->getRand(4, 1); // $this->getRandNum();
         return $this->_lastPartnerTradeNo;
     }


     /**
      * 获取最后一次创建生成的订单号
      * @return string
      */
     public function getLastPartnerTradeNo()
     {
         return $this->_lastPartnerTradeNo;
     }



     /**
      * 创建XML的方法
      * @param number $retcode
      * @param string $reterrmsg
      * @return boolean|string
      */
     private function _createXml()
     {
         try {
             $sign = $this->_getSign();
             if (! $sign) {
                 return false;
             }
             $this->setParameter('sign', $sign);

             return $this->arrayToXml($this->_parameters);
         } catch (Exception $e) {
             $this->error = $e->getMessage();
             return false;
         }
     }


     /**
      * 参数转换成XML
      * @param array $arr 参数数组
      * @return string
      */
     public function arrayToXml($arr)
     {
         $xml = "";
         foreach ($arr as $key => $val) {
             if (is_numeric($val)) {
                 $xml .= "<" . $key . ">" . $val . " . $key . ">";
             } else {
                 $xml .= "<" . $key . "> . $val . "]]> . $key . ">";
             }
         }
         $xml .= "";
         return $xml;
     }

     /**
      * 获得签名结果
      * @return boolean|Ambigous
      */
     protected function _getSign()
     {
         try {

             if ($this->_checkSign() == false) { // 检查生成签名参数
                 $this->error = '生成签名参数缺失！';
                 $this->log(json_encode($this->_parameters, JSON_UNESCAPED_UNICODE), 'ERROR_Sign_XML');
                 return false;
             }

             ksort($this->_parameters);
             $unSignParaString = $this->_formatQueryParaMap($this->_parameters, false);

             return $this->_sign($unSignParaString, $this->_keys['key']);
         } catch (Exception $e) {
             $this->error = $e->getMessage();
             return false;
         }
     }

     /**
      * 检查签名所需参数是否齐全
      * @return boolean
      */
     private function _checkSign()
     {
         // return true;
         if ($this->_parameters["mch_appid"] == null ||
             $this->_parameters["mchid"] == null ||
             //$this->_parameters["device_info"] == null || 设备id
             $this->_parameters["nonce_str"] == null ||
             $this->_parameters["partner_trade_no"] == null ||
             $this->_parameters["openid"] == null ||
             $this->_parameters["check_name"] == null ||
             $this->_parameters["re_user_name"] == null ||
             $this->_parameters["desc"] == null ||
             $this->_parameters["spbill_create_ip"] == null) {
                 return false;
             }
             return true;
     }

     /**
      *
      * @param  $paraMap
      * @param  $urlencode
      * @return string
      */
     private function _formatQueryParaMap($paraMap,$urlencode)
     {
         $buff = "";
         ksort($paraMap);
         foreach ($paraMap as $k => $v) {
             if (null != $v && "null" != $v && "sign" != $k) {
                 if ($urlencode) {
                     $v = urlencode($v);
                 }
                 $buff .= $k . "=" . $v . "&";
             }
         }
         $reqPar;
         if (strlen($buff) > 0) {
             $reqPar = substr($buff, 0, strlen($buff) - 1);
         }
         return $reqPar;
     }


     /**
      * 签名
      * @param $content 签名的字符串
      * @param $key 密钥
      * @throws Exception
      * @return string|boolean
      */
     private function _sign($content, $key)
     {
         try {
             if (null == $key) {
                 $this->error = '签名key不能为空！';
                 return false;
             }
             if (null == $content) {
                 $this->error = '签名内容不能为空';
                 return false;
             }
             $signStr = $content . "&key=" . $key;

             return strtoupper(md5($signStr));

         } catch (Exception $e) {
             $this->error = $e->getMessage();
             return false;
         }
     }

     /**
      * cURL抓取
      *
      * @param $url 链接地址
      * @param $vars 参数
      * @param
      *          $second
      * @param
      *          $aHeader
      * @return mixed|boolean
      */
     function curl_post_ssl($url, $data, $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_URL, $url);
         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
         // cert 与 key 分别属于两个.pem文件
         curl_setopt($ch, CURLOPT_SSLCERT, $this->_cert['api_cert']);
         curl_setopt($ch, CURLOPT_SSLKEY, $this->_cert['api_key']);
         curl_setopt($ch, CURLOPT_CAINFO, $this->_cert['rootca']);
         if (count($aHeader) >= 1) {
             curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
         }
         curl_setopt($ch, CURLOPT_POST, 1);
         curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
         $data = curl_exec($ch);
         if ($data) {
             curl_close($ch);
             return $data;
         } else {
             $this->log(json_encode($this->_cert));
             $this->error = 'aa:'.curl_errno($ch);
             curl_close($ch);
             return false;
         }
     }

     /**
      * 获取服务器ip
      *
      * @return string
      */
     public function getServerIp()
     {
         $server_ip = '127.0.0.1';
         if (isset($_SERVER)) {
             if (isset($_SERVER['SERVER_ADDR']) && $_SERVER['SERVER_ADDR']) {
                 $server_ip = $_SERVER['SERVER_ADDR'];
             } elseif (isset($_SERVER['LOCAL_ADDR']) && $_SERVER['LOCAL_ADDR']) {
                 $server_ip = $_SERVER['LOCAL_ADDR'];
             }
         } else {
             $server_ip = getenv('SERVER_ADDR');
         }
         return $server_ip;
     }

     /**
      * 设置日志目录文件
      *
      * @param unknown $file
      */
     public function setLogFile($file)
     {
         $this->log_file = $file;
     }

     /**
      * 写日志
      *
      * @param $msg 写入的信息
      * @param $type 日志类型作为查询标示
      */
     public function log($msg, $type)
     {
         if ($this->log_file) {
             $log = str_replace(array(
                 "\r\n",
                 "\r",
                 "\n"
             ), array(
                 "",
                 "",
                 ""
             ), $msg);
             error_log($type . ' ' . date('Y-m-d H:i:s') . ' ' . json_encode($log,JSON_UNESCAPED_UNICODE) . "\r\n", 3, $this->log_file);
         }
     }

 }

 include 'WxTransfers.Api.php';
 class WxTransfers{
     /**

 "white-space:pre">    *调用方法即可测试

 "white-space:pre">    */
     public function index(){

         $path = WxTransfersConfig::getRealPath(); // 证书文件路径
         $config['wxappid'] = WxTransfersConfig::APPID;
         $config['mch_id'] = WxTransfersConfig::MCHID;
         $config['key'] = WxTransfersConfig::KEY;
         $config['PARTNERKEY'] = WxTransfersConfig::KEY;
         $config['api_cert'] = $path . WxTransfersConfig::SSLCERT_PATH;
         $config['api_key'] = $path . WxTransfersConfig::SSLKEY_PATH;
         $config['rootca'] = $path . WxTransfersConfig::SSLROOTCA;

         $wxtran=new WxTransfers($config);

         $wxtran->setLogFile('D:\\transfers.log');//日志地址

         //转账
         $data=array(
             'openid'=>'',//openid
             'check_name'=>'NO_CHECK',//是否验证真实姓名参数
             're_user_name'=>'11',//姓名
             'amount'=>100,//最小1元 也就是100
             'desc'=>'企业转账测试',//描述
             'spbill_create_ip'=>$wxtran->getServerIp(),//服务器IP地址
         );
         var_dump(json_encode($wxtran->transfers($data),JSON_UNESCAPED_UNICODE));
         var_dump($wxtran->error);

         //获取转账信息
         var_dump($wxtran->getInfo('11111111'));
         var_dump($wxtran->error);
     }

 }