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的办法 
* @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( 
"rn", 
"r", 
"n" 
), array( 
"", 
"", 
"" 
), $msg); 
error_log($type . ' ' . date('Y-m-d H:i:s') . ' ' . json_encode($log,JSON_UNESCAPED_UNICODE) . "rn", 3, $this- log_file); 
} 
} 
} 

<?php 
include 'WxTransfers.Api.php'; 
class WxTransfers{ 
/** 
*调用办法即可测试 
*/ 
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); 
} 
}