网上学院函数库：自动答题
Ovu skriptu ne treba izravno instalirati. To je biblioteka za druge skripte koje se uključuju u meta direktivu // @require https://update.greasyfork.org/scripts/395966/773575/wsxy_autoExamineTest.js
// ==UserScript==
// @name wsxy_autoExamineTest
// @namespace Vionlentmonkey
// @version 0.8.1
// @description 网上学院函数库：自动答题
// ==/UserScript==
/**
* 获取各题答案。一次性数据，无存储必要
* @param {String | Number} subjectPk
*/
const getSubjectData = async subjectPk => {
const subjectURL = `${location.origin}/sfxzwsxy//jypxks/modules/train/course/subject_view.jsp?subjectPk=${subjectPk}`;
const response = await fetch(subjectURL, {
method: 'POST',
body: 'blob'
});
const blob = await response.blob();
const subjectHtml = await binary2Text(blob);
const elements = htmlToElements(subjectHtml);
// https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Map
let subjectDataMap = new Map();
// 题目类型：判断题/单选题/多选题
const questionType = elements
.querySelectorAll('table')[0]
.querySelectorAll('tr')[0]
.querySelectorAll('td')[1]
.textContent.trim();
subjectDataMap.set('questionType', questionType);
// 题目内容：string
const questionContent = elements
.querySelectorAll('table')[0]
.querySelectorAll('tr')[1]
.querySelectorAll('td')[1]
.textContent.trim();
// 判断题答案，选择题此处为空值
const judgementAnswer = elements
.querySelectorAll('table')[0]
.querySelectorAll('tr')[2]
.querySelectorAll('td')[1]
.textContent.trim();
subjectDataMap.set('questionContent', questionContent);
if (questionType === '判断题') {
subjectDataMap.set('judgementAnswer', judgementAnswer);
} else {
// 选择题答案表格第一行为标题：序号 选项内容 类型 是否为标准答案
// 此表格中答案选项与试题选项顺序打乱，序号没有意义，类型已获取也没有意义
const options = elements.querySelectorAll('table')[1].querySelectorAll('tr');
for (const option of options) {
const optionContent = option.querySelectorAll('td')[1].textContent.trim();
const optionAnswer = option.querySelectorAll('td')[3].textContent.trim();
if (optionContent === '选项内容' || optionAnswer === '是否为标准答案') continue;
subjectDataMap.set(optionContent, optionAnswer);
}
}
return subjectDataMap;
};
/**
* 打开考卷后自动答题交卷
*/
const autoExamineTest = async () => {
// 本考试所有试题
const topics = document.getElementsByClassName('topic-tms');
for await (const topic of topics) {
// 题号
const pkid = topic.querySelector('a[pkid]').getAttribute('pkid');
// 本题答案
const subjectDataMap = await getSubjectData(pkid);
// 本题选项
const options = topic.querySelectorAll('.tms-Right-wrong > p > a');
for (const option of options) {
const optionText = option.textContent.trim();
if (subjectDataMap.get('questionType') === '判断题') {
if (option.textContent.trim() !== subjectDataMap.get('judgementAnswer')) continue;
option.click();
} else {
// 选择题选项内容带着序号与空格，如“A ”，故获取第三个字符开始的子串
if (subjectDataMap.get(optionText.substring(2)) !== '是') continue;
option.click();
}
}
}
// 交卷
if (document.getElementsByClassName('subline _submit').length === 1) {
document.getElementsByClassName('subline _submit')[0].click();
}
// 确认
if (document.getElementsByClassName('layui-layer-btn0').length === 1) {
document.getElementsByClassName('layui-layer-btn0')[0].click();
}
};