// ==UserScript==
// @name 西电MOOC通用自动答题（v14 数据库优先+可视化版）
// @namespace http://tampermonkey.net/
// @version 14.0
// @description 数据库最高优先级，支持搜索、预览匹配、逐题结果展示、颜色区分
// @match *://mooc1.xidian.edu.cn/*
// @match *://mooc2-ans.xidian.edu.cn/*
// @match *://*.xidian.edu.cn/*
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-idle
// ==/UserScript==
(function () {
'use strict';
/* ===================== 配置区 ===================== */
const CONFIG = {
questionBlockSelector: '.questionLi, .TiMu, .exam-question, [class*="question-block"]',
stemSelector: '.mark_name, .qt-title, h3.u-tit, h3, .question-stem',
optionSelector: '.answerBg, .position, .qt-item, .choice, [class*="option"], ul li, .option-item',
optionLabelSelector: 'input, .label, [class*="lbl"], .option-label',
submitSelector: '.btn-blue, [class*="submit"], a.btn, .moco-btn, .submit-btn, .completeBtn',
stepDelay: 400,
verbose: true,
};
const log = (...a) => CONFIG.verbose && console.log('%c[AutoAns]', 'color:#1F3A2E;font-weight:bold', ...a);
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
/* ===================== 核心逻辑 ===================== */
// 全局数据源
let dbQuestionList = []; // 数据库题库列表
let finalAnswerMap = {}; // 最终答题用的题号->答案映射
let manualTemplateMap = {}; // 手动粘贴的模板
// 题干归一化
function normalizeKey(s) {
return (s || '')
.replace(/\s+/g, '')
.replace(/（/g, '(').replace(/）/g, ')')
.replace(/\(\s*\)/g, '')
.replace(/[，。、；：！？.,;:!?]/g, '')
.toLowerCase()
.trim();
}
// Bigram 相似度计算
function getSimilarity(str1, str2) {
if (str1 === str2) return 1;
const len1 = str1.length, len2 = str2.length;
if (len1 < 2 || len2 < 2) return 0;
const getBigrams = (str) => {
const set = new Map();
for (let i = 0; i < str.length - 1; i++) {
const bigram = str.substring(i, i + 2);
set.set(bigram, (set.get(bigram) || 0) + 1);
}
return set;
};
const bigrams1 = getBigrams(str1), bigrams2 = getBigrams(str2);
let intersection = 0;
bigrams1.forEach((count, bigram) => {
if (bigrams2.has(bigram)) intersection += Math.min(count, bigrams2.get(bigram));
});
return (2.0 * intersection) / (len1 - 1 + len2 - 1);
}
// 解析 JSON 题库
function parseQuestionBank(rawJson) {
let data = typeof rawJson === 'string' ? JSON.parse(rawJson) : rawJson;
let questions = [];
if (Array.isArray(data)) questions = data;
else if (data.questions && Array.isArray(data.questions)) questions = data.questions;
else if (!Array.isArray(data) && typeof data === 'object') questions = Object.entries(data).map(([stem, answer]) => ({ stem, correctAnswer: answer }));
else throw new Error("无法识别的JSON格式");
return questions.map(q => {
const stem = q.stem || q.q || q.question || '';
let answer = q.correctAnswer || q.a || q.answer || q.ans || '';
if (Array.isArray(answer)) answer = answer.join('');
if (typeof answer === 'boolean') answer = answer ? 'A' : 'B';
return { stem, correctAnswer: String(answer).toUpperCase().replace(/[^A-Z]/g, '') };
}).filter(q => q.stem && q.correctAnswer);
}
// 解析答案模板
function parseAnswerTemplate(text) {
const map = {};
const lines = text.split('\n');
for (const line of lines) {
const trimmed = line.trim();
if (!trimmed || trimmed.startsWith('###')) continue;
const rangeMatch = trimmed.match(/(\d+)\s*[-‑]\s*(\d+)\s*[:：]\s*(.+)/);
if (rangeMatch) {
const start = parseInt(rangeMatch[1]), end = parseInt(rangeMatch[2]);
const answers = rangeMatch[3].trim().split(/\s+/);
for (let i = 0; i <= end - start; i++) {
if (answers[i]) map[start + i] = answers[i].toUpperCase().replace(/[^A-Z]/g, '');
}
continue;
}
const singleMatch = trimmed.match(/(\d+)\s*[.：:\s]\s*([A-Z]+)/g);
if (singleMatch) {
for (const item of singleMatch) {
const m = item.match(/(\d+)\s*[.：:\s]\s*([A-Z]+)/);
if (m) map[parseInt(m[1])] = m[2].toUpperCase();
}
}
}
return map;
}
// 获取选项字母
function getOptionLabel(opt) {
const labelEl = opt.querySelector(CONFIG.optionLabelSelector);
if (labelEl) {
const v = (labelEl.value || labelEl.innerText || '').trim();
if (v) return v.charAt(0).toUpperCase();
}
const m = (opt.innerText || '').trim().match(/^([A-Z])/);
return m ? m[1] : '';
}
// 核心：重建最终答案池（数据库优先，模板兜底）
function rebuildFinalAnswerMap() {
finalAnswerMap = {};
// 1. 先写入手动模板
Object.assign(finalAnswerMap, manualTemplateMap);
// 2. 再用数据库按顺序覆盖（数据库优先级最高）
dbQuestionList.forEach((q, idx) => {
finalAnswerMap[idx + 1] = q.correctAnswer;
});
}
/* ===================== 可视化与答题逻辑 ===================== */
// 执行自动答题（isPreview 为 true 时只预览不点击）
async function runAutoAnswer(isPreview = false) {
const blocks = document.querySelectorAll(CONFIG.questionBlockSelector);
const resultPanel = document.getElementById('__aa-result-list');
const statusEl = document.getElementById('__aa-status');
if (blocks.length === 0) {
statusEl.textContent = '⚠ 未找到题目块';
statusEl.style.color = '#A8442A';
return;
}
resultPanel.innerHTML = ''; // 清空旧结果
let stats = { ok: 0, miss: 0, err: 0 };
for (let i = 0; i < blocks.length; i++) {
const block = blocks[i];
const stemEl = block.querySelector(CONFIG.stemSelector);
const stemText = stemEl ? stemEl.innerText.trim().substring(0, 30) : `第${i+1}题`;
const correct = finalAnswerMap[i + 1];
// 清除之前的边框样式
block.style.borderLeft = '';
let resHtml = '';
if (!correct) {
// 未收录
stats.miss++;
block.style.borderLeft = '4px solid #FF9800';
resHtml = `
未收录
${i+1}. ${stemText}...
`;
} else {
const opts = block.querySelectorAll(CONFIG.optionSelector);
let clicked = 0;
if (!isPreview) {
// 实际点击逻辑
for (const letter of correct) {
for (const opt of opts) {
if (getOptionLabel(opt) === letter) {
opt.click();
clicked++;
await sleep(CONFIG.stepDelay);
break;
}
}
}
} else {
// 预览模式：假设都能点上
clicked = correct.length;
}
if (clicked > 0) {
stats.ok++;
block.style.borderLeft = '4px solid #4CAF50';
resHtml = `
${isPreview ? '已匹配' : '已选'}
${i+1}. ${stemText}... ➔ ${correct}
`;
} else {
stats.err++;
block.style.borderLeft = '4px solid #F44336';
resHtml = `
选项缺失
${i+1}. ${stemText}... (答案:${correct})
`;
}
}
resultPanel.innerHTML += resHtml;
}
// 更新底部统计
statusEl.innerHTML = `
✔ 已选 ${stats.ok} 题 |
⚠ 未收录 ${stats.miss} 题 |
✖ 异常 ${stats.err} 题
共扫描 ${blocks.length} 个题目块
`;
if (!isPreview) {
const submit = document.querySelector(CONFIG.submitSelector);
if (submit) {
submit.style.boxShadow = '0 0 0 3px #A8442A';
submit.style.border = '2px solid #A8442A';
}
}
}
/* ===================== 悬浮窗 UI ===================== */
function createUI() {
const container = document.createElement('div');
container.id = '__autoans-ui';
container.style.cssText = 'position:fixed;bottom:20px;right:20px;z-index:99999;font-family:sans-serif;';
container.innerHTML = `
📝 自动答题面板 (v14)
📊 逐题结果：
`;
document.body.appendChild(container);
const panel = container.querySelector('#__aa-panel');
const toggleBtn = container.querySelector('#__aa-toggle');
const fileInput = container.querySelector('#__aa-file');
const templateArea = container.querySelector('#__aa-template');
const statusEl = container.querySelector('#__aa-status');
const searchInput = container.querySelector('#__aa-search');
const searchResult = container.querySelector('#__aa-search-result');
toggleBtn.onclick = () => panel.style.display = panel.style.display === 'none' ? 'block' : 'none';
// 导入数据库
fileInput.onchange = (e) => {
const file = e.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = (evt) => {
try {
dbQuestionList = parseQuestionBank(evt.target.result);
rebuildFinalAnswerMap();
statusEl.textContent = `✓ 数据库加载成功：${dbQuestionList.length} 题`;
statusEl.style.color = '#1F3A2E';
} catch(err) {
statusEl.textContent = `✗ 数据库解析失败：${err.message}`;
statusEl.style.color = '#A8442A';
}
};
reader.readAsText(file);
};
// 解析补充模板
container.querySelector('#__aa-parse').onclick = () => {
try {
const text = templateArea.value.trim();
if (!text) throw new Error("模板内容为空");
manualTemplateMap = parseAnswerTemplate(text);
rebuildFinalAnswerMap();
const count = Object.keys(manualTemplateMap).length;
statusEl.textContent = `✓ 补充模板已合并：${count} 题，当前共 ${Object.keys(finalAnswerMap).length} 题`;
statusEl.style.color = '#1F3A2E';
} catch(err) {
statusEl.textContent = `✗ 模板解析失败：${err.message}`;
statusEl.style.color = '#A8442A';
}
};
// 预览匹配
container.querySelector('#__aa-preview').onclick = () => runAutoAnswer(true);
// 执行答题
container.querySelector('#__aa-run').onclick = () => {
if (Object.keys(finalAnswerMap).length === 0) {
statusEl.textContent = '⚠ 答案池为空，请先导入数据库或模板';
statusEl.style.color = '#A8442A';
return;
}
runAutoAnswer(false);
};
// 搜索功能
searchInput.oninput = () => {
const keyword = normalizeKey(searchInput.value);
if (!keyword) { searchResult.innerHTML = ''; return; }
let html = '';
const exact = dbQuestionList.find(q => normalizeKey(q.stem).includes(keyword));
if (exact) {
html += `
答案：${exact.correctAnswer}
${exact.stem.substring(0, 50)}...
`;
}
const fuzzy = dbQuestionList.filter(q => {
const sim = getSimilarity(keyword, normalizeKey(q.stem));
return sim > 0.4 && sim < 1;
}).slice(0, 3);
fuzzy.forEach(q => {
html += `
答案：${q.correctAnswer}
${q.stem.substring(0, 50)}...
`;
});
if (!html) html = '未找到相关题目
';
searchResult.innerHTML = html;
};
}
createUI();
log('西电MOOC自动答题脚本 v14 (终极可视化版) 已加载');
})();