油猴脚本：网络学堂 批改作业 跳转到下一个人

a.js

// ==UserScript==
// @name         网络学堂 批改作业 跳转到下一个人
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       You
// @match        https://learn.tsinghua.edu.cn/f/wlxt/kczy/xszy/teacher/beforePiYue?*
// @icon         https://www.google.com/s2/favicons?domain=tsinghua.edu.cn
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    document.goSubmit = goSubmit;
    if (document.body.getInnerHTML().indexOf("服务器内部错误") != -1) {
        alert("[插件提示]尝试跳到下一个学号。");
        setTimeout(goNext, 500);
    }
})();

function getQueryVariable(variable)
{
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i=0;i<vars.length;i++) {
        var pair = vars[i].split("=");
        if(pair[0] == variable){return pair[1];}
    }
    return(false);
}
async function goNext() {
    const xszyid = getQueryVariable('xszyid')
    const last_eight = xszyid.slice(xszyid.length-8, xszyid.length)
    const max_retry = 100;
    for (var i = 1; i <= max_retry; i++) {
        const nxt_xszyid = xszyid.slice(0, xszyid.length-8) + (eval('0x'+last_eight)+i).toString(16)
        const nxt_url = window.location.toString().replace(xszyid, nxt_xszyid)
        var response = await fetch(nxt_url)
        if (response.status == 200) {
            window.location.href = nxt_url;
            return;
        }
    }
    alert("[插件提示]已经到底了，没有下一个学号了。");
}
function goSubmit() {
    if (!$("#form_sn1").valid()) {
        return;
    }

    MyApp.submitFileFormProgress(
        '/b/wlxt/kczy/xszy/teacher/piYueSaveAndNext',
        "form_sn1", function(data) {
            MyApp.showResult(data, function() {

                goNext();

                // var tzurl = data.object; //跳转url
                // var reg = new RegExp("amp;", "g");//g,表示全部替换。
                // tzurl = tzurl.replace(reg, "");
                // window.location.href = "" + tzurl;
            });
        });
}