微信企业付款到用户

 

 
  WxTransfers.Api.php
 
  _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 . "
   ";
			} else {
				$xml .= "<" . $key . ">" . $val . "
   ";
			}
		}
		$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);
		}
	}
	
}
  

 
  demo.php
 
  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);