小代码分享

小代码分享

法宣在线考试自动作答(且得满分)

说明

仅供学习交流
功能：法宣在线考试, 自动获取答案, 完成考试。

运行方法

1. 使用chrome浏览器登录法宣在线, 进入考试页面;
2. 单击浏览器的地址栏, 按快捷键F12;如果按不出来，说明平台截取并禁用了，那就用Chrome自带菜单: 更多工具 - 开发者工具;
3. 定位到console/控制台面板, 粘贴代码, 回车;
4. 程序开始执行, 每秒答一道题, 等待答题完成;

代码

var answer = [];
var times = 0;
var totalTimes = 0;

var Next = function () {
    var questionId = answer[times]['questionId']
    console.log("questionId", questionId)
    $(`[id$=_${questionId}]`).click();
    setTimeout(
        function () {
            var strAns = answer[times]['answerNo'];
            var arrA = strAns.split('');
            for (a of arrA) {
                console.debug(a);
                $('input[value=' + a + ']').click()
            }
            times += 1;
            if (times < totalTimes) {
                Next();
            }
            else {
                console.debug('完成');
            }
        }, 1000);
};

var start = function () {
    console.debug('开始');
    let cookie = document.cookie;
    let matchArray = cookie.match(/_EXAM(\d+)_PAPER(\d+)_SERIES(\d+)/);
    let examId = matchArray[1];
    let paperId = matchArray[2];
    let seriesId = matchArray[3];
    let answerUrl = `http://www.faxuanyun.com//ess/service/getpaper?paperId=${paperId}&series=${seriesId}_answer`
    fetch(answerUrl, {
        "headers": {
            "cache-control": "no-cache",
            "pragma": "no-cache",
            "upgrade-insecure-requests": "1"
        },
        "referrerPolicy": "strict-origin-when-cross-origin",
        "body": null,
        "method": "GET",
        "mode": "cors",
        "credentials": "include"
    }).then(res => res.text()).then(body => {
        console.debug("test", body);
        let answerString = body.split("\n")[2];
        answer = JSON.parse(answerString);
        totalTimes = answer.length;
        Next();
    });
}
start();

原理

这个地址可以获取到考试的答案:

http://xf.faxuan.net/ess/service/getpaper?paperId=${paperId}&series=${seriesId}_answer

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