php实现微信企业转账功能

<?php 
/** 
* 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__.'/'; 
 } 
} 

<?php 
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) 
 { 
  $xml = "<xml>"; 
  foreach ($arr as $key => $val) { 
   if (is_numeric($val)) { 
    $xml .= "<" . $key . ">" . $val . "</" . $key . ">"; 
   } else { 
    $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">"; 
   } 
  } 
  $xml .= "</xml>"; 
  return $xml; 
 } 
  
 /** 
  * 获得签名结果 
  * @return boolean|Ambigous <string, boolean> 
  */ 
 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); 
  } 
 } 
  
} 

<?php 

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

/** 
 *调用方法即可测试 
 */ 
 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); 
 } 
  
}