我的微信学习开发-----借鉴李忠益老师

Posted 2020-06-17

<?php
define(‘TOKEN‘,‘yida‘);
$obj=new Weixin();

if(!isset($_GET[‘echostr‘])){

$obj->receive();

}else{
$obj->checkSignature();
}

class Weixin{

 

public function checkSignature()
{
$signature = $_GET["signature"]; //加密签名
$timestamp = $_GET["timestamp"]; //时间戳
$nonce = $_GET["nonce"]; //随机数

$token = TOKEN; //token

$tmpArr = array($token, $timestamp, $nonce);//组成新数组
sort($tmpArr, SORT_STRING);//重新排序
$tmpStr = implode( $tmpArr );//转换成字符串
$tmpStr = sha1( $tmpStr ); //再将字符串进行加密

if( $tmpStr == $signature ){

echo $_GET[‘echostr‘];
}else{
return false;
}
}

public function receive(){

$obj=$GLOBALS[‘HTTP_RAW_POST_DATA‘];
$postSql=simplexml_load_string($obj,‘SimpleXMLElement‘,LIBXML_NOCDATA);

$this->logger("接受：\n".$obj);

if(!empty($postSql)){

switch(trim($postSql->MsgType)){

case "text" :
$result=$this->receiveText($postSql);

 

if(!empty($result)){
echo $result;

}else{

$xml="<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>";

echo $result=sprintf($xml,$postSql->FromUserName,$postSql->ToUserName,time(),$postSql->MsgType,"没有这条文本消息");

}
}

}

 

}

private function receiveText($postSql){
$content=trim($postSql->Content);

if(strstr($content,"你好")){
$xml="<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>";

$result=sprintf($xml,$postSql->FromUserName,$postSql->ToUserName,time(),$postSql->MsgType,"hello");

return $result;

}

}

private function logger($content){
$logSize=100000;

$log="log.txt";

if(file_exists($log) && filesize($log) > $logSize){
unlink($log);
}

file_put_contents($log,date(‘H:i:s‘)." ".$content."\n",FILE_APPEND);

}

}

 

?>