微信开放平台之公众号第三方平台探讨总结

	//公众号消息与事件接收URL
//此处为实例，逻辑需要自己处理，（注意加解密）
	public function eventmsg(){
    	    import("@.ORG.aes.WXBizMsgCrypt");
			$wxData = $this->weixin_account;
			$encodingAesKey = $wxData['encodingAesKey'];
			$token = $wxData['token'];
			$appId = $wxData['appId'];
			$timeStamp  = empty($_GET['timestamp'])     ? ""    : trim($_GET['timestamp']) ;
			$nOnce= empty($_GET['nonce'])     ? ""    : trim($_GET['nonce']) ;
			$msg_sign   = empty($_GET['msg_signature']) ? ""    : trim($_GET['msg_signature']) ;
			
			$encryptMsg = file_get_contents('php://input');
			$pc = new WXBizMsgCrypt($token, $encodingAesKey, $appId);
			
			$xml_tree = new DOMDocument();
			$xml_tree->loadXML($encryptMsg);
			$array_e = $xml_tree->getElementsByTagName('Encrypt');
			$encrypt = $array_e->item(0)->nodeValue;
			
			
			$format = "";
			$from_xml = sprintf($format, $encrypt);
    　　　　　　　　　　　 // 第三方收到公众号平台发送的消息
			$msg = '';
　　　　　　　　　　　　　　$errCode = $pc->decryptMsg($msg_sign, $timeStamp, $nonce, $from_xml, $msg);
			
			if ($errCode == 0) {
					//print("解密后: " . $msg . "\n");
					$xml = new DOMDocument();
					$xml->loadXML($msg);
					
					$array_e = $xml->getElementsByTagName('Content');
					$cOntent= $array_e->item(0)->nodeValue;
				
					$array_e2 = $xml->getElementsByTagName('ToUserName');
					$ToUserName = $array_e2->item(0)->nodeValue;
				
					$array_e3 = $xml->getElementsByTagName('FromUserName');
					$FromUserName = $array_e3->item(0)->nodeValue;
										
					$array_e5 = $xml->getElementsByTagName('MsgType');
					$MsgType = $array_e5->item(0)->nodeValue;
	
					//加密消息
					$encryptMsg = '';
					$text = "
					
					
					$stime
					
					
					";
				
					$errCode = $pc->encryptMsg($text, $timeStamp, $nonce, $encryptMsg);
					echo $encryptMsg;
　　　　　　　　　　　　　　　　　　　　　　  exit();

			
			} else {
				print($errCode . "\n");
				exit();
			}
	}