微信红包发放工具类【完整代码】

<?php /** * 微信红包发放底层类 */ class WxBonusApi { // 现金红包请求地址 const SENDREDPACK_URL = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack'; // 红包发放情况查询地址 const GETHBINFO_URL = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gethbinfo'; // 红包需要的配置 'wxappid','mch_id','key' private $_keys; // 红包需要的证书文件 '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 $_lastMchBillno; // 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; /** * 初始化配置，设置关键字和证书 * @param array $config * @throws Exception */ public function __construct($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'); } } } /** * 红包发放 * @param array $parameters 发放所需参数 * @return boolean */ public function sendredpack($parameters) { // 官方硬性要求 $stime = date('H:i'); if ($stime < '08:00') { $this->error = '请北京时间0：00-8：00时间之外触发红包赠送'; return false; } $bonus = array(); $this->setParameter('mch_id', $this->_keys['mch_id']); $this->setParameter('wxappid', $this->_keys['wxappid']); $must = array( 're_openid', 'nick_name', 'send_name', 'total_amount', 'wishing', 'act_name', 'remark', 'client_ip' ); foreach ($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['mch_billno'])) { $parameters['mch_billno'] = $this->getMchBillno(); } $this->setParameter('mch_billno', $parameters['mch_billno']); $this->setParameter('total_num', 1); $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::SENDREDPACK_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) $resultObj->return_msg; return false; } /** * 查询红包的发放详情 * 参数： * mch_billno 发送红包时生产的唯一订单号 * 返回： * 成功：object对象 * 失败：false **/ public function getInfo($mch_billno){ $param = array( 'nonce_str' => $this->getRand(30, 3), 'mch_billno'=> $mch_billno , 'mch_id' => $this->_keys['mch_id'], 'appid' => $this->_keys['wxappid'], 'bill_type' => 'MCHT', ); ksort($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(WePay::GETHBINFO_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 ; } /** * 设置红包发放所需要的参数 * @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 getMchBillno() { $this->_lastMchBillno = $this->_parameters['mch_id'] . date('YmdHis') . $this->getRand(4, 1); // $this->getRandNum(); return $this->_lastMchBillno; } /** * 获取最后一次创建红包时生成的订单号 * @return string */ public function getLastMchBillno() { return $this->_lastMchBillno; } /** * 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 $