ceshi

自动从接口获取答案并自动填写
当前为 2022-03-08 提交的版本，查看最新版本。
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// ==UserScript==
// @name ceshi
// @namespace http://tampermonkey.net/
// @version 0.22
// @description 自动从接口获取答案并自动填写
// @author 曦月
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js
// @match https://learn.open.com.cn/StudentCenter/OnLineJob/TestPaper*
// @match http://learn.open.com.cn/StudentCenter/MyWork/UndoneWork*
// @license MIT
// @grant none
// ==/UserScript==

//全局问题
let question;
//请求的问题封装（方便根据id查找对应的对象）
var map = {};
//根据问题的id来获取答案封装
var answer = {};
var get_point = false;

// 封装ajax
function addXMLRequestCallback(callback) {
var oldSend, i;
if (XMLHttpRequest.callbacks) {
// we've already overridden send() so just add the callback
XMLHttpRequest.callbacks.push(callback);
} else {
// create a callback queue
XMLHttpRequest.callbacks = [callback];
// store the native send()
oldSend = XMLHttpRequest.prototype.send;
// override the native send()
XMLHttpRequest.prototype.send = function () {
// process the callback queue
// the xhr instance is passed into each callback but seems pretty useless
// you can't tell what its destination is or call abort() without an error
// so only really good for logging that a request has happened
// I could be wrong, I hope so...
// EDIT: I suppose you could override the onreadystatechange handler though
for (i = 0; i < XMLHttpRequest.callbacks.length; i++) {
XMLHttpRequest.callbacks[i](this);
}
// call the native send()
oldSend.apply(this, arguments);
}
}
}

let wrong = [];

//根据问题找出具体的id
function initquestion(question) {
//找出的问题数组
$(".Test-Info-Right h2").text("自动答题中")
let list = question.data.paperInfo.Items;
let nums = 0
wrong.forEach(item => {
let bust = (new Date()).getTime();
let t = (new Date()).getTime() + 20;
let basturl = `https://learn.open.com.cn/StudentCenter/OnlineJob/GetQuestionDetail?bust=${bust}&itemBankId=${item.ItemBankId}&questionId=${item.QuestionId}&_=${t}`
$.ajax({
url: basturl,
type: 'GET',
dataType: 'json',
success(data) {
if (data.status === 1) {
select.eq(0).click()
return
}
var choices_list = data.data.Choices
list.forEach(row => {
if (data.data.I2 === row.I2) {
var select = $(`div [itemid="${row.I1}"] li`)
for (var i = 0; i < choices_list.length; i++) {
if (choices_list[i].IsCorrect) {
select.eq(i).click()
}
}
}
})
}
});
})
}

// 获取url参数信息
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;
}

(function () {
'use strict';
let url = window.location.href;
if (url.includes("StudentCenter/OnLineJob/TestPaper")) {
console.log("开始答题");
addXMLRequestCallback(function (xhr) {
xhr.addEventListener("load", function () {
if (xhr.readyState === 4 && xhr.status === 200 && !get_point) {
if (xhr.responseURL.includes("homeworkapi.open.com.cn/getHomework")) {
// console.log(xhr.responseURL);
// 查询到接口后阻止继续监听
get_point = true
question = JSON.parse(xhr.responseText);
console.log(question);

let bust = (new Date()).getTime();
let rangeKey = JSON.parse(question.data.stuHomeWorkInfo.rangeKey);
let courseExerciseId = getQueryVariable('courseExerciseId');
let t = (new Date()).getTime();
// 获取错题记录
let allWrongList = `https://learn.open.com.cn/StudentCenter/OnlineJob/GetWrongQuestions?bust=${bust}&courseid=${rangeKey.CourseId}&courseExerciseId=${courseExerciseId}&studentHomeworkId=${question.data.stuHomeWorkInfo.studentHomeworkId}&homeCourseId=${question.data.stuHomeWorkInfo.courseId}&_=${t}`

$.ajax({
url: allWrongList,
type: 'GET',
dataType: 'json',
success(dataasd) {
if (dataasd.status === 0) {
wrong = dataasd.data.Rows
initquestion(question);
} else {
alert(dataasd.message)
}
}
});
}
}
});
});
} else {
// 未完成作业列表
console.log("作业列表");
$("td a").each(function (index, el) {
if ($(el).text() === "做作业") {
let url = $(el).attr('href')
open_new_window(url)
}
})

function open_new_window(url) {
setTimeout(function () {
window.open(url, '_blank')
}, 3000)
}
}
})();
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