<?php//回調開啟include_once "WXBizMsgCrypt.php";// 假設企業號在公眾平臺上設置的參數如下$encodingAesKey = "xxx";$token = "xxx";$corpId = "xxx";//填寫自己的相關參數，與微信公眾平臺一致/*------------使用示例一：驗證回調URL---------------*企業開啟回調模式時，企業號會向驗證url發送一個get請求假設點擊驗證時，企業收到類似請求：* GET /cgi-bin/wxpush?msg_signature=5c45ff5e21c57e6ad56bac8758b79b1d9ac89fd3×tamp=1409659589&nonce=263014780&echostr=P9nAzCzyDtyTWESHep1vC5X9xho%2FqYX3Zpb4yKa9SKld1DsH3Iyt3tP3zNdtp%2B4RPcs8TgAE7OaBO%2BFZXvnaqQ%3D%3D* HTTP/1.1 Host: qy.weixin.qq.com接收到該請求時，企業應1.解析出Get請求的參數，包括消息體簽名(msg_signature)，時間戳(timestamp)，隨機數字串(nonce)以及公眾平臺推送過來的隨機加密字符串(echostr),這一步注意作URL解碼。2.驗證消息體簽名的正確性3. 解密出echostr原文，將原文當作Get請求的response，返回給公眾平臺第2，3步可以用公眾平臺提供的庫函數VerifyURL來實現。*/// $sVerifyMsgSig = HttpUtils.ParseUrl("msg_signature");$sVerifyMsgSig = $_GET["msg_signature"] ;//"5c45ff5e21c57e6ad56bac8758b79b1d9ac89fd3";// $sVerifyTimeStamp = HttpUtils.ParseUrl("timestamp");$sVerifyTimeStamp = $_GET["timestamp"];//"1409659589";// $sVerifyNonce = HttpUtils.ParseUrl("nonce");$sVerifyNonce = $_GET["nonce"];//"263014780";// $sVerifyEchoStr = HttpUtils.ParseUrl("echostr");$sVerifyEchoStr = $_GET["echostr"];//"P9nAzCzyDtyTWESHep1vC5X9xho/qYX3Zpb4yKa9SKld1DsH3Iyt3tP3zNdtp+4RPcs8TgAE7OaBO+FZXvnaqQ==";// 需要返回的明文$EchoStr = "";$wxcpt = new WXBizMsgCrypt($token, $encodingAesKey, $corpId);$errCode = $wxcpt->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);if ($errCode == 0) {  echo $sEchoStr;  //  // 驗證URL成功，將sEchoStr返回  // HttpUtils.SetResponce($sEchoStr);} else {  print("ERR: " . $errCode . "/n/n");}