<?php
/**
* @author heqing
* @version v1.0
*/
//define your token
define("TOKEN", "weixin");//这里填写的是你在微信上设置的TOKEN,但是必须保证与微信公众平台 接口配置信息一致
$wechatObj = new wechatCallbackapiTest();
$wechatObj->valid();//这里是测试网站配置信息和开发的是否一致。
$wechatObj->responseMsg();//新增加这一项,目的是调用responseMsg()这个功能。
class wechatCallbackapiTest
{
//若确认此次GET请求来自微信服务器,请原样返回echostr参数内容,则接入生效,否则接入失败。
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)){
$postObj = simplexm
l_load_string($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>0</FuncFlag>
</xml>";
if(!empty( $keyword ))// $keyword是关键词,即为用户发送的信息
{
$msgType = "text";//文本格式的消息
$contentStr = "Welcome to wechat world!";//预制消息回复
if ($keyword == "index") {
$contentStr = "welcome to nongdaxy.com";
}
if ($keyword == "首页") {
$contentStr = "欢迎来到校园之窗";
}
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}else{
echo "Input something...";
}
}else {
echo "";
exit;
}
}
// 开发者通过检验signature对请求进行校验
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
}
?>