?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);
}
}
}
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