<?php
/**
* 微信聊天测试脚本
*/
//定义token值和你在微信公众平台开发者里设置的token值需要保持一致，我这偷懒没改还用的默认的weixin
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
if (isset($_GET['echostr'])) {
$wechatObj->valid();
}else{
$wechatObj->responseMsg();
}
class wechatCallbackapiTest
{
public function valid()
{
$echoStr = $_GET["echostr"];
//valid signature , option
if($this->checkSignature()){
echo $echoStr;
exit;
}
}
public function responseMsg()
{
//get post data, May be due to the different environments
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
//extract post data
if (!empty($postStr)){
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$keyword = trim($postObj->Content);
$time = time();
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
<FuncFlag></FuncFlag>
</xml>";
if(!empty( $keyword ))
{
//定义信息类型为文本类型（这里只是简单聊天所以没有加入图片，声音类型等的判断）
$msgType = "text";
//根据用户输入信息通过小黄鸡的聊天函数返回输出结果
$contentStr = $this->chat($keyword);
//这边官方代码用的sprintf的用意就是顺序输出对应的值到上面的$textTpl里[%s],大家特别留意这边的$fromUsername是输出到<ToUserName>中，意思是把获取的用户名现在作为被发送人来输出，如果英语还行的话from，to应该很容易理解，嘿嘿
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}else{
echo "哥们，别输个空内容呀！我不会读心哇！";
}
}else {
echo "";
exit;
}
}
/**
* 这是一个签名验证函数
* @return [boolen] [验证结果]
*/
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr, SORT_STRING);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
/**
* 封装的一个小黄鸡函数
* @param [string] $keyword [用户输入数据]
* @return [string] [curl处理后的小黄鸡回复数据]
*/
private function chat($keyword){
$url = "http://www.simsimi.com/talk.htm?lc=ch";
//这个curl是因为官方每次请求都有唯一的COOKIE，我们必须先把COOKIE拿出来，不然会一直返回“HI”
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$content = curl_exec($ch);
curl_close($ch);
list($header, $body) = explode("/r/n/r/n", $content);
preg_match("/set/-cookie:([^/r/n]*)/i", $header, $matches);
//curl_setopt($ch, CURLOPT_COOKIE, $cookie);
$cookie = $matches[];
$urll = 'http://www.simsimi.com/func/req?msg=' .$keyword. '&lc=ch';
// 这个CURL就是模拟发起请求咯，直接返回的就是JSON
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $urll);
curl_setopt($ch, CURLOPT_HEADER, );
curl_setopt($ch, CURLOPT_REFERER, "http://www.simsimi.com/talk.htm?lc=ch");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIE, $cookie);
$content = curl_exec($ch);
curl_close($ch);
//输出json
//print_r($content);
$json = json_decode($content,true);
if (!empty($json) && $json['result']==){
return $json['response'];
}
}
}