<?php
/*** wechat php test*///define your token
require_once "common.php";
//这里是引入curl发送函数的类
require_once 'WeChat.class.php';
define("TOKEN", "twgdh");//这里让这个类继承了curl发送参数的类
class wechatCallbackapiTest extends WeChat
{public function valid(){$echoStr = $_GET["echostr"];//valid signature , optionif($this->checkSignature()){echo $echoStr;exit;}}public function responseMsg(){//get post data, May be due to the different environments$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];//extract post dataif (!empty($postStr)){/* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,the best way is to check the validity of xml by yourself */// 使用simplexml技术对xml进行解析 // libxml_disable_entity_loader(true), 是从安全性考虑，为了防止xml外部注入，//只对xml内部实体内容进行解析libxml_disable_entity_loader(true);//加载 postStr 字符串$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);$fromUsername = $postObj->FromUserName;$toUsername = $postObj->ToUserName;$keyword = trim($postObj->Content);$time = time();global $tmp_arr;//根据接收到的消息类型，来进行分支处理(switch)switch($postObj->MsgType){case 'event':if($postObj->Event == 'subscribe'){$contentStr = "欢迎关注leigood微信测试号噢";$resultStr = sprintf($tmp_arr['text'], $fromUsername, $toUsername, $time, $contentStr);echo $resultStr; }//响应用户的点击事件if($postObj->Event == 'CLICK'){if($postObj->EventKey == 'V1001_TODAY_MUSIC'){ //自定义菜单里面有很多个，这里key是自定义的//这里主要写自己想要的业务逻辑$contentStr = "夺命雷公狗欢迎您来到编程世界";$resultStr = sprintf($tmp_arr['text'], $fromUsername, $toUsername, $time, $contentStr);echo $resultStr; }}break;case 'text': //回复文本模块//这里开始测试客服消息接口了if($keyword == '文本'){//获取tokenrequire 'get_token.php';$contentStr = '这是客服接口的回复，我们可以帮助您什么？';//对发送的内容进行urlencode编码，防止中文乱码$contentStr = urlencode($contentStr);//到时候我们我发送的内容我们放到一个数组里面去了$content_arr = array('content'=>"{$contentStr}");//这里的意思是将来我要发送消息给这个用户$reply_arr = array('touser'=>"{$fromUsername}",'msgtype'=>'text','text'=>$content_arr);//下一步就是将编码转成规定的json格式$post = json_encode($reply_arr);//url解码，如果不解码他将会发来一段二进制代码$post = urldecode($post);$url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={$access_token}";//这里我们来使用类的继承机制，来简化代码$this -> http_request($url,$post);//这里是可以回复多条消息的，只需要在执行下这个函数即可//$this -> http_request($url,$post);
                           }else{$contentStr = '您输入的格式有误';$resultStr = sprintf($tmp_arr['text'], $fromUsername, $toUsername, $time, $contentStr);echo $resultStr;}break;case 'voice';//取出用户说的内容$recognition = $postObj->Recognition;$contentStr = "您刚才说的是：".$recognition;$resultStr = sprintf($tmp_arr['text'], $fromUsername, $toUsername, $time, $contentStr);echo $resultStr;break;}}else {echo "";exit;}}private function checkSignature(){// you must define TOKEN by yourselfif (!defined("TOKEN")) {throw new Exception('TOKEN is not defined!');}$signature = $_GET["signature"];$timestamp = $_GET["timestamp"];$nonce = $_GET["nonce"];$token = TOKEN;$tmpArr = array($token, $timestamp, $nonce);// use SORT_STRING rulesort($tmpArr, SORT_STRING);$tmpStr = implode( $tmpArr );$tmpStr = sha1( $tmpStr );if( $tmpStr == $signature ){return true;}else{return false;}}
}//如果这段代码放在上面，那程序将会报错，因为继承的问题，会显示类没有找到
$wechatObj = new wechatCallbackapiTest();
//当接入成功后，请注销这句话，否则，会反复验证。
//$wechatObj->valid();
//添加响应请求的语句
$wechatObj->responseMsg();?>