起晚了又或者说是系统进不去，那就只能去吃残羹冷炙了...

此脚本主要是针对别人帮忙选课，然后准备退课给别人的时候，从别人手上抢过来.仅供交流学习，请勿用于非法用途，不保证抢课成功，具体情以实际为主

直接贴代码

<?php
//authorqq 1790716272
ignore_user_abort(true);//防止超时
set_time_limit(0);
if(!file_exists('./info.bat')){
    //从黑框框控制台输入
    if(php_sapi_name() === 'cli'){
    echo '请输入ck:';
    fscanf(STDIN,"%s",$ck);
    echo '请输入课程信息:';
    fscanf(STDIN,"%s",$course);
}else{
    //浏览器get方式输入
    $course = trim($_GET['course']);
     $ck = trim($_GET['ck']);

}
file_put_contents('./info.bat',$ck."\n".$course);
}else{
    $info = file_get_contents('./info.bat');
  list($ck,$course) =  explode("\n",$info);
    
}



$header[] = 'accept: application/json, text/javascript, */*; q=0.01';
$header[] = 'accept-encoding: gzip, deflate, br';
$header[] = $ck;
$header[] = 'content-type: application/x-www-form-urlencoded;charset=UTF-8';
$header[] = 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.82 Safari/537.36';
$result = xCurl('https://jwgl.gznu.edu.cn/jwglxt/xsxk/zzxkyzbjk_xkBcZyZzxkYzb.html',null,$course,$header);


if(!$result)
exit("登录失败或对方服务器超时\n可以把超时时间设置久一点\n");

if(json_decode($result)->flag==-1)
    echo '抢课失败';
else
  echo '抢课成功';



echo "\n";

function xCurl($url,$cookie=null,$postdata=null,$header=array()){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL,$url);
        if (!is_null($postdata)) curl_setopt($ch, CURLOPT_POSTFIELDS,$postdata);
        if (!is_null($cookie)) curl_setopt($ch, CURLOPT_COOKIE,$cookie);
        curl_setopt($ch, CURLOPT_FAILONERROR, true);
       curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_ENCODING, "gzip");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//绕过证书
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);//超时设置
        $re = curl_exec($ch);
        curl_close($ch);
        return $re;
    }

效果图:
${`U8BJVTY)F}3[XAVEYG16.png

${`U8BJVTY)F}3[XAVEYG16.png

LV{U(H%9VTXMFXW(C2KMJ`5.png
LV{U(H%9VTXMFXW(C2KMJ`5.png

使用方法就不再赘述.
获取课程和ck方法:在点击抢课按钮之前按F12打开控制台，点击抢课按钮之后，再点击network，headers查看，往下翻
info

info

再点击payload，view sourse ，下面那串就是课程信息

我自己是一分钟扫描一次_AKRBWU0T%%27I097MP(Z)U.png

_AKRBWU0T%%27I097MP(Z)U.png

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Last modification：December 14, 2022
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