微信学习第二天

佚名 6年前 (2019-04-14) 随笔 1205人围观抢沙发百度已收录

<?php
/**
    *验证微信url来源是否正确
    *@return boolern
   */
define("TOKEN", "weixin");
private function checkSignature(){
  //获取参数
    $signature = $_GET['signature'];
    $timestamp = $_GET['timestamp'];
    $nonce =$_GET['nonce'];
    $token = TOKEN;
    //按字典序排序
    $params = array($token, $timestamp, $nonce);
        sort($params, SORT_STRING);
        $sig = sha1(implode($params));

       // return $sig == $signature;
    }

    private function sourceCheck()
    {
        if ($this->checkSignature()) {
            $echostr = $_GET['echostr'];
            echo $echostr;
        }else{
            throw new Exception('签名不正确');
        }
        exit(0);
    }