<?php
namespace app\api\controller;

use think\Request;


class WeiController
{
public function init()
{
$signature =Request::instance()->param('signature');
$timestamp = Request::instance()->param("timestamp");
$nonce = Request::instance()->param("nonce");
$token="mali";
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode($tmpArr);
$tmpStr = sha1($tmpStr);
$echoStr = Request::instance()->param("echostr");
if($tmpStr==$signature && $echoStr){
echo $echoStr;
}

}
}