// ==UserScript==
// @name 学伴 · 网课答题助手
// @namespace qoda/study-helper
// @version 0.9.3
// @description 自动识别页面试题并作答，题库优先、AI 兜底，适配 90+ 网课平台。仅用于课后练习与自测，请在遵守所在平台规则的前提下使用。
// @author qoda
// @icon data:image/svg+xml;base64,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
// @compatible chrome firefox edge
// @match https://new.oberyun.com/*
// @match https://m.umu.cn/*
// @match *://*.chaoxing.com/*
// @match *://*.hlju.edu.cn/*
// @match *://*.ecust.edu.cn/*
// @match *://lms.ouchn.cn/*
// @match *://*.ouchn.cn/*
// @match *://xczxzdbf.moodle.qwbx.ouchn.cn/*
// @match *://study.ouchn.cn/*
// @match *://moodle.syxy.ouchn.cn/*
// @match *://moodle.qwbx.ouchn.cn/*
// @match *://*.tongyi.com/*
// @match *://chat.deepseek.com/*
// @match *://*.zhihuishu.com/*
// @match *://course.ougd.cn/*
// @match *://elearning.bjou.edu.cn/*
// @match *://whkpc.hnqtyq.cn:5678/*
// @match *://www.51xinwei.com/*
// @match *://*.w-ling.cn/*
// @match *://*.edu-edu.com/*
// @match *://xuexi.jsou.cn/*
// @match *://*.icve.com.cn/*
// @match *://zice.cnzx.info/*
// @match *://any.cnzx.info:81/*
// @match *://www.icourse163.org/*
// @match *://*.shou.org.cn/*
// @match *://*.ahjxjy.cn/*
// @match *://*.chinaedu.net/*
// @match *://*.qingshuxuetang.com/*
// @match *://cce.org.uooconline.com/*
// @match *://*.courshare.cn/*
// @match *://*.cep.webtrn.cn/*
// @match *://*.webtrn.cn/*
// @match *://*.cj-edu.com/*
// @match *://*.ytccr.com/*
// @match *://*.exam-cloud.cn/*
// @match *://gdrtvu.exam-cloud.cn/*
// @match *://*.open.ha.cn/*
// @match *://lhycjy.cloudwis.tech/*
// @match *://*.sclecb.cn/*
// @match *://*.web2.superchutou.com/*
// @match *://*.ls365.net/*
// @match *://*.jijiaox.com/*
// @match *://*.wencaischool.net/*
// @match *://sdrz.gxk.yxlearning.com/*
// @match *://*.crjxjy.net/*
// @match *://*.cjnep.net/*
// @match *://*.91huayi.com/*
// @match *://teach.ynou.edu.cn/*
// @match *://*.edu-edu.com.cn/*
// @match *://*.21tb.com/*
// @match *://*.168wangxiao.com/*
// @match *://*.mynep.com/*
// @match *://www.mosoteach.cn/*
// @match *://*.aufe.edu.cn/*
// @match *://*.learnin.com.cn/*
// @match *://*.ouchn.edu.cn/*
// @match *://*.swufe-online.com/*
// @match *://ks.cqsdx.cn/*
// @match *://*.qau.edu.cn/*
// @match *://*.gdufemooc.cn/*
// @match *://*.telfri-edu.com/*
// @match *://www.beeline-ai.com/*
// @match *://*.wxic.edu.cn/*
// @match *://*.yxbyun.com/*
// @match *://*.wdjycj.com/*
// @match *://*.hbcjpt.com/*
// @match *://*.csmu.edu.cn/*
// @match *://*.ketangx.net/*
// @match *://*.cnzx.info/*
// @match *://www.asklib.com/*
// @match *://*.xust.edu.cn/*
// @match *://*.whut.edu.cn/*
// @match *://*.lut.edu.cn/*
// @match *://*.wwwwsoft.com/*
// @match *://*.dufe.edu.cn/*
// @match *://*.lygtc.edu.cn/*
// @match *://*.cfyedu.com/*
// @match *://*.iwdjy.com/*
// @match *://*.jijiaool.com/*
// @match *://lms.cjzx.hblll.com/*
// @match *://*.ouc-online.com.cn/*
// @match *://*.lsedu.vip/*
// @match *://*.jxjypt.cn/*
// @match *://*.jsnu.edu.cn/*
// @match *://*.geovisearth.com/*
// @match *://*.bgzk-edu.cn/*
// @match *://*.cqie.cn/*
// @match *://mooc1.ceduacad.ahut.edu.cn/*
// @match http://localhost:8787/quiz.html*
// @match http://127.0.0.1:8787/quiz.html*
// @match *://*.xuetangx.com/*
// @match *://*.rainclassroom.com/*
// @match *://*.uooconline.com/*
// @match *://*.icourse163.org/*
// @match *://*.cnmooc.org/*
// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @connect api.openedu.lovie.me
// @connect localhost
// @connect 127.0.0.1
// @run-at document-idle
// @noframes
// ==/UserScript==
(function () {
'use strict';
if (window.top !== window.self) return;
if (window.__qodaBooted) return;
if (location.pathname.endsWith('/landing.html')) return;
window.__qodaBooted = true;
const VERSION = '0.9.3';
const CFG_KEY = 'qoda_cfg_v1';
const ANON_KEY = 'qoda_anon_v1';
const DEVICE_KEY = 'qoda_device_v1';
const LICENSE_KEY = 'qoda_license_v1';
const ACCOUNT_KEY = 'qoda_account_v1';
const SCENE_KEY = 'qoda_scene_dismissed_v1';
const DEFAULTS = {
serverBase: 'https://api.openedu.lovie.me',
thesisUrl: 'https://zhipu.lovie.me/',
mode: 'server',
directKey: '',
directBase: 'https://open.bigmodel.cn/api/paas/v4',
directModel: 'glm-4-flash',
hooks: true,
preferBank: true,
sharedBank: true,
cacheAi: true,
syncBank: false,
payUrl: '',
adapterUrl: '',
useAdapter: false,
useUpstream: false,
upstreamUrl: '',
coldStart: false,
bankServer: 'http://127.0.0.1:8788',
telemetry: true,
contributeAi: true, // AI 答完静默回写共享题库（隐形默认上传，不设开关）
autoAnswer: true, // 傻瓜式：进页面识别到题目就自动作答
autoAnswerDelay: 800,
requestTimeout: 12000,
concurrency: 3,
};
const TYPE_LABEL = {
single: '单选',
multiple: '多选',
judge: '判断',
blank: '填空',
subjective: '简答',
};
const STATUS_TEXT = {
todo: '未答',
run: '答题中',
done: '已答',
fail: '失败',
wait: '待生成',
};
const state = {
adapter: null,
questions: [],
running: false,
exam: false,
quota: null,
lastSummary: null,
summaryTracked: false,
showSettings: false,
bankCount: 0,
sharedCount: 0,
showSearch: false,
searchQuery: '',
searchResults: [],
searching: false,
searchTimer: 0,
license: null,
payUrl: '',
plans: [],
freeQuota: 20,
quotaExceeded: false,
account: null,
accountToken: '',
points: 0,
pointsExhausted: false,
aiCost: 3,
accountUrl: '/account.html',
welcomePoints: 20,
dailyGrant: 5,
host: null,
shadow: null,
panel: null,
body: null,
serverMode: '',
stopRequested: false,
coldStart: false,
coldPicks: {},
coldTexts: {},
coldBackfilling: false,
};
// ---------- storage / utils ----------
function gmGet(key, fallback) {
try {
if (typeof GM_getValue === 'function') {
const value = GM_getValue(key);
return value === undefined ? fallback : value;
}
const raw = localStorage.getItem(`qoda.${key}`);
return raw === null ? fallback : JSON.parse(raw);
} catch {
return fallback;
}
}
function gmSet(key, value) {
try {
if (typeof GM_setValue === 'function') {
GM_setValue(key, value);
return;
}
localStorage.setItem(`qoda.${key}`, JSON.stringify(value));
} catch {
// ignore storage failures
}
}
function makeId() {
try {
if (window.crypto && typeof window.crypto.randomUUID === 'function') return window.crypto.randomUUID();
} catch {
// fall through
}
return `anon-${Math.random().toString(36).slice(2)}${Date.now().toString(36)}`;
}
const cfg = Object.assign({}, DEFAULTS, gmGet(CFG_KEY, {}));
const ANON_ID = (() => {
let id = gmGet(ANON_KEY, '');
if (!id) {
id = makeId();
gmSet(ANON_KEY, id);
}
return id;
})();
const DEVICE_ID = (() => {
let id = gmGet(DEVICE_KEY, '');
if (!id) {
id = makeId();
gmSet(DEVICE_KEY, id);
}
return id;
})();
const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
const truncate = (value, max) => {
const text = String(value || '').replace(/\s+/g, ' ').trim();
return text.length > max ? `${text.slice(0, max)}…` : text;
};
const esc = (value) =>
String(value ?? '').replace(/[&<>"']/g, (ch) => ({
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": ''',
})[ch]);
const textOf = (el) => (el ? String(el.innerText || el.textContent || '').replace(/\s+/g, ' ').trim() : '');
const rawText = (el) => (el ? String(el.textContent || '').replace(/\s+/g, ' ').trim() : '');
function isVisible(el) {
try {
const rect = el.getBoundingClientRect();
const style = getComputedStyle(el);
return rect.width > 0 && rect.height > 0 && style.display !== 'none' && style.visibility !== 'hidden';
} catch {
return true;
}
}
function all(root, selector) {
try {
return Array.from(root.querySelectorAll(selector));
} catch {
return [];
}
}
function firstMatch(root, selectors) {
for (const selector of selectors) {
try {
const el = root.querySelector(selector);
if (el && textOf(el)) return el;
} catch {
// skip bad selector
}
}
return null;
}
function hashText(text) {
let hash = 0;
const str = String(text || '');
for (let i = 0; i < str.length; i += 1) hash = (hash * 31 + str.charCodeAt(i)) >>> 0;
return hash;
}
function httpJson({ url, method = 'GET', headers = {}, data, timeout = cfg.requestTimeout || 12000 } = {}) {
return new Promise((resolve, reject) => {
const payload = data === undefined ? undefined : JSON.stringify(data);
if (typeof GM_xmlhttpRequest === 'function') {
GM_xmlhttpRequest({
method,
url,
headers: { 'Content-Type': 'application/json', ...headers },
data: payload,
timeout,
onload: (res) => {
let parsed = {};
try {
parsed = res.responseText ? JSON.parse(res.responseText) : {};
} catch {
parsed = { raw: res.responseText };
}
resolve({ status: res.status, data: parsed });
},
onerror: () => reject(new Error('网络请求失败')),
ontimeout: () => reject(new Error('请求超时')),
});
return;
}
fetch(url, {
method,
headers: { 'Content-Type': 'application/json', ...headers },
body: payload,
})
.then(async (res) => {
let parsed = {};
try {
parsed = await res.json();
} catch {
parsed = {};
}
resolve({ status: res.status, data: parsed });
})
.catch(reject);
});
}
function withTimeout(promise, ms, fallback) {
return Promise.race([
Promise.resolve(promise).catch(() => fallback),
new Promise((resolve) => {
setTimeout(() => resolve(fallback), ms);
}),
]);
}
function base() {
return String(cfg.serverBase || '').replace(/\/+$/, '');
}
function thesisUrl(content) {
let target = cfg.thesisUrl || 'https://zhipu.lovie.me/';
if (!/^https?:/i.test(target)) target = `${base()}${target.startsWith('/') ? '' : '/'}${target}`;
try {
const url = new URL(target);
url.searchParams.set('utm_source', 'study_helper');
url.searchParams.set('utm_medium', 'hook');
url.searchParams.set('utm_campaign', 'v01');
url.searchParams.set('utm_content', content);
url.searchParams.set('uid', ANON_ID.slice(0, 8));
return url.toString();
} catch {
return target;
}
}
function track(event, meta = {}) {
if (!cfg.telemetry) return;
try {
void httpJson({
url: `${base()}/api/event`,
method: 'POST',
data: {
anonId: ANON_ID,
platform: state.adapter ? state.adapter.id : 'unknown',
event,
meta,
host: location.hostname,
ts: Date.now(),
},
}).catch(() => {});
} catch {
// tracking must never break the page
}
}
// ---------- local question bank ----------
const SOURCE_LABEL = {
local: '本地题库',
shared: '共享题库',
ai: 'AI',
direct: 'AI',
'local-mock': '模拟',
mock: '模拟',
adapter: '适配器题库',
};
function sourceLabel(source) {
return SOURCE_LABEL[source] || '';
}
function sourceBucket(source) {
if (source === 'local') return 'local';
if (source === 'shared' || source === 'adapter') return 'shared';
if (source === 'mock' || source === 'local-mock') return 'mock';
return 'ai';
}
let bankDbPromise = null;
let bankCache = null;
function bankInvalidate() {
bankCache = null;
}
function bankDb() {
if (bankDbPromise) return bankDbPromise;
bankDbPromise = new Promise((resolve, reject) => {
if (!window.indexedDB) {
reject(new Error('当前浏览器不支持本地题库'));
return;
}
const request = indexedDB.open('qoda_bank', 1);
request.onupgradeneeded = () => {
const db = request.result;
if (!db.objectStoreNames.contains('records')) {
const store = db.createObjectStore('records', { keyPath: 'id' });
store.createIndex('norm', 'norm', { unique: false });
}
};
request.onsuccess = () => resolve(request.result);
request.onerror = () => reject(request.error);
request.onblocked = () => reject(new Error('本地题库被其他页面占用'));
}).catch((error) => {
bankDbPromise = null;
throw error;
});
return bankDbPromise;
}
async function bankCount() {
const db = await bankDb();
return new Promise((resolve, reject) => {
const tx = db.transaction('records', 'readonly');
const req = tx.objectStore('records').count();
req.onsuccess = () => resolve(req.result || 0);
req.onerror = () => reject(req.error);
});
}
async function bankPutMany(records) {
if (!records.length) return 0;
const db = await bankDb();
return new Promise((resolve, reject) => {
const tx = db.transaction('records', 'readwrite');
const store = tx.objectStore('records');
records.forEach((record) => store.put(record));
tx.oncomplete = () => {
bankInvalidate();
resolve(records.length);
};
tx.onerror = () => reject(tx.error);
tx.onabort = () => reject(tx.error);
});
}
async function bankGetByNorm(norm) {
const db = await bankDb();
return new Promise((resolve, reject) => {
const tx = db.transaction('records', 'readonly');
const index = tx.objectStore('records').index('norm');
const req = index.getAll(norm);
req.onsuccess = () => resolve(req.result || []);
req.onerror = () => reject(req.error);
});
}
async function bankAll() {
if (bankCache) return bankCache;
const db = await bankDb();
const rows = await new Promise((resolve, reject) => {
const tx = db.transaction('records', 'readonly');
const req = tx.objectStore('records').getAll();
req.onsuccess = () => resolve(req.result || []);
req.onerror = () => reject(req.error);
});
bankCache = rows;
return rows;
}
async function bankClear() {
const db = await bankDb();
return new Promise((resolve, reject) => {
const tx = db.transaction('records', 'readwrite');
tx.objectStore('records').clear();
tx.oncomplete = () => {
bankInvalidate();
resolve(true);
};
tx.onerror = () => reject(tx.error);
});
}
function bankNorm(text) {
return String(text ?? '')
.replace(/<[^>]*>/g, ' ')
.replace(/ /gi, ' ')
.replace(/[\s\u3000]+/g, '')
.replace(/[，。！？、；：“”‘’（）()【】\u005B\u005D《》<>·.,!?;:'"\-_/\\]/g, '')
.replace(/^\d+[.、．)]/, '')
.replace(/^(单选题?|多选题?|判断题?|填空题?|简答题?|论述题?|名词解释题?)/, '')
.toLowerCase();
}
function bankBigrams(text) {
const set = new Set();
const str = String(text || '');
if (str.length < 2) {
if (str) set.add(str);
return set;
}
for (let i = 0; i < str.length - 1; i += 1) set.add(str.slice(i, i + 2));
return set;
}
function bankJaccard(a, b) {
if (!a.size || !b.size) return 0;
let inter = 0;
for (const item of a) if (b.has(item)) inter += 1;
return inter / (a.size + b.size - inter);
}
function bankSimilarity(a, b) {
if (a === b) return 1;
return bankJaccard(bankBigrams(a), bankBigrams(b));
}
function bankStripPrefix(text) {
return String(text ?? '').replace(/^[A-Ha-h][.、．)）:：]\s*/, '').trim();
}
function bankSplitOptions(value) {
if (Array.isArray(value)) return value.map((item) => bankStripPrefix(item)).filter(Boolean);
if (typeof value !== 'string') return [];
return value
.split(/\s*[|｜]\s*|\n+/)
.map((item) => bankStripPrefix(item))
.filter(Boolean);
}
function bankInferType(rawType, rawAnswer, options) {
const type = String(rawType || '').trim();
if (/单选/.test(type)) return 'single';
if (/多选/.test(type)) return 'multiple';
if (/判断/.test(type)) return 'judge';
if (/填空/.test(type)) return 'blank';
if (/简答|论述|名词解释|问答/.test(type)) return 'subjective';
const answerText = Array.isArray(rawAnswer) ? rawAnswer.join('') : String(rawAnswer ?? '');
if (options.length === 2 && options.every((item) => /^(正确|错误|对|错|是|否|true|false)$/i.test(item))) return 'judge';
if (/^(正确|错误|对|错|是|否|true|false)$/i.test(answerText.trim())) return 'judge';
if (/^[A-H](?:\s*[,，、;；|｜]\s*[A-H])+$/i.test(answerText.trim())) return 'multiple';
if (Array.isArray(rawAnswer) && rawAnswer.length > 1) return 'multiple';
if (!options.length) {
if (/^[A-H]$/i.test(answerText.trim())) return 'single';
if (/[|｜;；]/.test(answerText)) return 'blank';
return 'subjective';
}
return 'single';
}
function bankNormalizeAnswer(rawAnswer, options, type) {
if (type === 'judge') {
const text = String(rawAnswer ?? '').trim();
if (/^(正确|对|是|true|t|√|✓|1|yes|y)$/i.test(text)) return '正确';
if (/^(错误|错|否|false|f|×|✕|x|0|no|n|不正确)$/i.test(text)) return '错误';
return text;
}
if (type === 'multiple') {
const list = Array.isArray(rawAnswer)
? rawAnswer
: String(rawAnswer ?? '').split(/[,，、|｜;；\s]+/).filter(Boolean);
return list.map((item) => String(item).trim()).filter(Boolean);
}
if (type === 'blank') {
const list = Array.isArray(rawAnswer)
? rawAnswer
: String(rawAnswer ?? '').split(/[|｜;；]/).map((item) => item.trim()).filter(Boolean);
return list.map((item) => String(item));
}
if (Array.isArray(rawAnswer)) return String(rawAnswer[0] ?? '').trim();
return String(rawAnswer ?? '').trim();
}
function buildBankRecord(raw, fallbackSource = 'local') {
if (!raw || typeof raw !== 'object') return null;
const title = String(raw.title ?? raw.question ?? raw['题目'] ?? '').trim();
if (!title) return null;
const options = bankSplitOptions(raw.options ?? raw['选项'] ?? []);
const rawAnswer = raw.answer ?? raw['答案'] ?? '';
const type = bankInferType(raw.type ?? raw['题型'], rawAnswer, options);
const answer = bankNormalizeAnswer(rawAnswer, options, type);
const hasAnswer = Array.isArray(answer) ? answer.length > 0 : String(answer).trim().length > 0;
if (!hasAnswer) return null;
const norm = bankNorm(title);
const key = hashText(norm).toString(36);
return {
id: key,
key,
title,
norm,
options,
type,
answer,
source: String(raw.source || fallbackSource).slice(0, 16),
createdAt: Number(raw.createdAt) || Date.now(),
updatedAt: Date.now(),
};
}
function parseCsvRows(text) {
const rows = [];
let row = [];
let field = '';
let inQuotes = false;
const src = String(text || '');
for (let i = 0; i < src.length; i += 1) {
const ch = src[i];
if (inQuotes) {
if (ch === '"') {
if (src[i + 1] === '"') {
field += '"';
i += 1;
} else {
inQuotes = false;
}
} else {
field += ch;
}
} else if (ch === '"') {
inQuotes = true;
} else if (ch === ',') {
row.push(field);
field = '';
} else if (ch === '\n') {
row.push(field);
field = '';
rows.push(row);
row = [];
} else if (ch !== '\r') {
field += ch;
}
}
if (field !== '' || row.length) {
row.push(field);
rows.push(row);
}
return rows.filter((item) => item.some((cell) => String(cell).trim()));
}
function parseJsonBank(text) {
const data = JSON.parse(String(text || '').replace(/^\uFEFF/, ''));
const list = Array.isArray(data)
? data
: Array.isArray(data.items)
? data.items
: Array.isArray(data.data)
? data.data
: [];
return list.map((item) => buildBankRecord(item, 'local')).filter(Boolean);
}
function parseCsvBank(text) {
const rows = parseCsvRows(String(text || '').replace(/^\uFEFF/, ''));
if (!rows.length) return [];
const header = rows[0].map((cell) => String(cell).trim().toLowerCase());
const hasHeader = header.some((h) => /题目|question|title|问题/.test(h)) && header.some((h) => /答案|answer/.test(h));
const findColumn = (patterns, fallback) => {
const index = header.findIndex((h) => patterns.some((pattern) => pattern.test(h)));
return index >= 0 ? index : fallback;
};
let titleIdx = 0;
let optionsIdx = 1;
let answerIdx = 2;
let typeIdx = 3;
if (hasHeader) {
titleIdx = findColumn([/题目/, /question/, /title/, /问题/], 0);
optionsIdx = findColumn([/选项/, /option/, /choice/], 1);
answerIdx = findColumn([/答案/, /answer/], 2);
typeIdx = findColumn([/题型/, /type/], 3);
}
const dataRows = hasHeader ? rows.slice(1) : rows;
return dataRows
.map((row) => buildBankRecord({
title: row[titleIdx],
options: row[optionsIdx],
answer: row[answerIdx],
type: row[typeIdx],
source: 'local',
}, 'local'))
.filter(Boolean);
}
function parseTxtBank(text) {
const lines = String(text || '').replace(/^\uFEFF/, '').split(/\r?\n/);
const records = [];
for (const line of lines) {
const raw = line.trim();
if (!raw || raw.startsWith('#')) continue;
let parts = raw.split('\t');
if (parts.length < 2) parts = raw.split('||');
if (parts.length < 2) parts = raw.split('##');
if (parts.length < 2) continue;
const title = parts[0].trim();
const answer = parts.slice(1).join('|').trim();
const record = buildBankRecord({ title, options: [], answer, source: 'local' }, 'local');
if (record) records.push(record);
}
return records;
}
function parseBankFile(name, text) {
const lower = String(name || '').toLowerCase();
if (lower.endsWith('.json')) return parseJsonBank(text);
if (lower.endsWith('.csv')) return parseCsvBank(text);
return parseTxtBank(text);
}
function bankOptionScore(record, question) {
if (!record.options || !record.options.length || !question.options.length) return 1;
const a = record.options.map(bankNorm).filter(Boolean);
const b = question.options.map((option) => bankNorm(option.text)).filter(Boolean);
if (!a.length || !b.length) return 1;
const setA = new Set(a);
const setB = new Set(b);
let inter = 0;
for (const item of setA) if (setB.has(item)) inter += 1;
return inter / Math.max(setA.size, setB.size);
}
function bankAnswerForQuestion(record, question) {
const answer = record.answer;
if (question.type === 'multiple') {
if (Array.isArray(answer)) return answer;
return String(answer ?? '').split(/[,，、|｜;；\s]+/).filter(Boolean);
}
if (question.type === 'blank') {
if (Array.isArray(answer)) return answer;
return String(answer ?? '').split(/[|｜;；]/).map((item) => item.trim()).filter(Boolean);
}
if (question.type === 'judge') {
const text = Array.isArray(answer) ? answer[0] : answer;
return String(text ?? '').trim();
}
if (Array.isArray(answer)) return String(answer[0] ?? '');
return String(answer ?? '');
}
async function bankLookupLocal(question) {
if (!cfg.preferBank) return null;
try {
const norm = bankNorm(question.title);
let records = await bankGetByNorm(norm);
if (!records.length) {
const allRecords = await bankAll();
if (!allRecords.length) return null;
let best = null;
let bestScore = 0;
for (const record of allRecords) {
const lenA = norm.length;
const lenB = String(record.norm || '').length;
if (Math.abs(lenA - lenB) / Math.max(lenA, lenB, 1) > 0.4) continue;
const titleScore = bankSimilarity(norm, record.norm);
if (titleScore < 0.7) continue;
const total = titleScore * 0.75 + bankOptionScore(record, question) * 0.25;
if (total > bestScore) {
bestScore = total;
best = record;
}
}
if (!best || bestScore < 0.82) return null;
records = [best];
}
let best = records[0];
let bestScore = -1;
for (const record of records) {
const score = bankOptionScore(record, question);
if (score > bestScore) {
bestScore = score;
best = record;
}
}
return { answer: bankAnswerForQuestion(best, question), source: 'local', record: best };
} catch {
return null;
}
}
async function bankLookupShared(question) {
if (!cfg.sharedBank) return null;
try {
const res = await httpJson({
url: `${base()}/api/bank/search`,
method: 'POST',
data: {
title: question.title,
options: question.options.map((option) => option.text),
type: question.type,
},
});
if (res.status === 200 && res.data && res.data.ok && res.data.hit && res.data.record) {
return {
answer: bankAnswerForQuestion(res.data.record, question),
source: 'shared',
record: res.data.record,
score: res.data.score,
};
}
} catch {
// shared bank is optional
}
return null;
}
const TIKU_TYPE = { single: 0, multiple: 1, judge: 3, blank: 4, subjective: 5 };
function adapterEndpoint() {
const raw = String(cfg.adapterUrl || '').trim();
if (!raw) return '';
return raw + (raw.includes('?') ? '&' : '?') + 'wannengDisable=1';
}
function tikuAnswerToLocal(question, allAnswer) {
const list = Array.isArray(allAnswer)
? allAnswer.map((item) => String(item == null ? '' : item).trim()).filter(Boolean)
: [];
if (!list.length) return null;
const joined = list.join('');
const judgeTrue = /^(正确|对|是|true|t|√|✓|1|yes|y)$/i;
const judgeFalse = /^(错误|错|否|false|f|×|✕|x|0|no|n)$/i;
if (question.type === 'judge') {
const text = list[0];
if (judgeTrue.test(text)) return '正确';
if (judgeFalse.test(text)) return '错误';
return text;
}
if (question.type === 'multiple') {
const letters = joined.match(/[A-H]/gi);
if (letters && letters.length) return [...new Set(letters.map((ch) => ch.toUpperCase()))].sort();
return list;
}
if (question.type === 'blank') return list;
const single = joined.match(/^[A-H]$/i);
return single ? single[0].toUpperCase() : list[0];
}
async function bankLookupAdapter(question) {
if (!cfg.useAdapter) return null;
const url = adapterEndpoint();
if (!url) return null;
try {
const res = await httpJson({
url,
method: 'POST',
data: {
question: question.title,
options: question.options.map((option) => option.text),
type: TIKU_TYPE[question.type] == null ? 0 : TIKU_TYPE[question.type],
},
timeout: 5000,
});
if (res.status !== 200 || !res.data) return null;
const allAnswer = (res.data.answer && res.data.answer.allAnswer) || res.data.allAnswer || null;
const answer = tikuAnswerToLocal(question, allAnswer);
if (answer == null) return null;
if (Array.isArray(answer) ? !answer.length : answer === '') return null;
return { answer, source: 'adapter', score: 1 };
} catch {
return null;
}
}
// AI 答案回写共享题库：静默、失败不阻塞答题、不受本地缓存开关影响。
// 服务端攒够多个不同客户相同答案才写主库，单客户不会污染题库。
function contributeAiAnswer(question, answer) {
if (!cfg.contributeAi) return;
try {
void httpJson({
url: `${base()}/api/bank/contribute`,
method: 'POST',
data: {
title: String(question.title || '').slice(0, 500),
options: (question.options || []).map((o) => String(o && o.text != null ? o.text : o)).slice(0, 12),
answer,
type: question.type || '',
anonId: ANON_ID,
source: 'ai',
},
}).catch(() => {});
track('bank_contribute', { type: question.type || '' });
} catch {
// 回写失败绝不能影响客户作答
}
}
async function bankSaveAi(question, answer) {
contributeAiAnswer(question, answer);
if (!cfg.cacheAi) return;
try {
const record = buildBankRecord({
title: question.title,
options: question.options.map((option) => option.text),
answer,
type: question.type,
source: 'ai',
}, 'ai');
if (!record) return;
const existing = await bankGetByNorm(record.norm);
if (existing.length) return;
await bankPutMany([record]);
await refreshBankCount();
track('bank_cache_ai', { type: question.type });
} catch {
// cache failures must not break answering
}
}
async function refreshBankCount() {
try {
state.bankCount = await bankCount();
renderPanel();
} catch {
state.bankCount = 0;
}
}
async function refreshSharedCount() {
try {
const res = await httpJson({ url: `${base()}/api/bank/count` });
if (res.status === 200 && res.data && res.data.ok) {
state.sharedCount = res.data.count || 0;
renderPanel();
}
} catch {
// backend offline is fine
}
}
async function importBankFile(file) {
try {
const text = await file.text();
const parsed = parseBankFile(file.name, text);
if (!parsed.length) {
toast('没有解析到题目，检查列名或格式', 'warning');
return;
}
const unique = new Map();
parsed.forEach((record) => unique.set(record.id, record));
const records = [...unique.values()];
await bankPutMany(records);
await refreshBankCount();
toast(`已导入 ${records.length} 题，本地题库共 ${state.bankCount} 题`, 'success');
track('bank_import', { count: records.length });
if (cfg.syncBank) {
try {
const res = await httpJson({
url: `${base()}/api/bank/import`,
method: 'POST',
data: { records },
});
if (res.status === 200 && res.data && res.data.ok) {
state.sharedCount = res.data.total || state.sharedCount;
toast(`共享题库新增 ${res.data.imported} 题`, 'success');
renderPanel();
}
} catch {
// local import already succeeded
}
}
} catch (error) {
toast(`导入失败：${error.message}`, 'error');
}
}
async function searchBank(query) {
const text = String(query || '').trim();
state.searchQuery = text;
if (!text) {
state.searchResults = [];
state.searching = false;
renderSearchResults();
return;
}
state.searching = true;
renderSearchResults();
const norm = bankNorm(text);
const results = [];
try {
const local = await bankAll();
for (const record of local) {
const score = bankSimilarity(norm, record.norm);
const contains = record.title.includes(text);
if (score >= 0.45 || contains) {
results.push({ record, score: contains ? Math.max(score, 0.6) : score, source: 'local' });
}
}
} catch {
// no local bank
}
try {
if (cfg.sharedBank) {
const res = await httpJson({
url: `${base()}/api/bank/search`,
method: 'POST',
data: { title: text, options: [] },
});
if (res.status === 200 && res.data && res.data.ok && res.data.hit && res.data.record) {
results.push({ record: res.data.record, score: res.data.score || 0.8, source: 'shared' });
}
}
} catch {
// shared bank offline
}
const merged = new Map();
for (const item of results) {
const key = item.record.key || item.record.id;
const existing = merged.get(key);
if (!existing) {
merged.set(key, item);
} else if (existing.source !== 'local') {
if (item.source === 'local' || item.score > existing.score) merged.set(key, item);
}
}
state.searchResults = [...merged.values()]
.sort((a, b) => b.score - a.score)
.slice(0, 6);
state.searching = false;
renderSearchResults();
}
// ---------- license / card key ----------
function licenseQuotaText() {
const quota = state.quota || {};
const remaining = quota.remaining != null ? quota.remaining : '-';
const limit = quota.limit != null ? quota.limit : state.freeQuota || '-';
return `免费 · 今日剩 ${remaining}/${limit}`;
}
function licenseExpiryText() {
if (!state.license || !state.license.expiresAt) return '';
try {
return `到期：${new Date(state.license.expiresAt).toLocaleDateString('zh-CN')}`;
} catch {
return '';
}
}
function licensePlanButtons() {
const paid = (state.plans || []).filter((plan) => Number(plan.price) > 0);
if (!paid.length) return '';
return paid
.map(
(plan) =>
``,
)
.join('');
}
function saveLicense(data) {
state.license = data || null;
gmSet(LICENSE_KEY, data && data.token ? data : null);
renderPanel();
}
function clearLicenseSilent() {
state.license = null;
state.quota = null;
state.quotaExceeded = false;
gmSet(LICENSE_KEY, null);
renderPanel();
}
function clearLicense() {
clearLicenseSilent();
toast('已清除本机授权；设备绑定仍在，换设备需要管理员解绑', 'info');
}
async function refreshLicense() {
try {
if (state.license && state.license.token) {
const res = await httpJson({
url: `${base()}/api/key/status`,
method: 'POST',
data: { token: state.license.token },
});
if (res.status === 200 && res.data && res.data.ok) {
state.license = { ...state.license, ...res.data };
state.quota = res.data.quota;
state.quotaExceeded = Boolean(res.data.quota && res.data.quota.remaining <= 0);
gmSet(LICENSE_KEY, state.license);
renderPanel();
return;
}
if ([401, 403, 404].includes(res.status)) {
clearLicenseSilent();
toast('卡密已失效，已切回免费额度', 'warning');
return;
}
}
const res = await httpJson({
url: `${base()}/api/quota?anonId=${encodeURIComponent(ANON_ID)}`,
});
if (res.status === 200 && res.data && res.data.ok) {
state.quota = res.data.quota;
state.freeQuota = res.data.freeQuota || state.freeQuota;
state.quotaExceeded = Boolean(state.quota && state.quota.remaining <= 0);
renderPanel();
}
} catch {
// backend offline; keep the local license view
}
}
async function redeemLicense(keyText) {
const key = String(keyText || '').trim();
if (!key) {
toast('请输入卡密', 'warning');
return;
}
track('license_redeem', {});
try {
const res = await httpJson({
url: `${base()}/api/key/redeem`,
method: 'POST',
data: { key, deviceId: DEVICE_ID, anonId: ANON_ID },
});
if (res.status !== 200 || !res.data || !res.data.ok) {
throw new Error(res.data?.error || `兑换失败 ${res.status}`);
}
const data = res.data;
state.license = {
token: data.token,
plan: data.plan,
planId: data.planId,
quota: data.quota,
expiresAt: data.expiresAt,
deviceId: data.deviceId,
};
state.quota = data.quota;
state.quotaExceeded = false;
gmSet(LICENSE_KEY, state.license);
renderPanel();
toast(`兑换成功：${data.plan}，剩余 ${data.quota.remaining} 次`, 'success');
track('license_redeem_success', { planId: data.planId });
} catch (error) {
const map = {
invalid_key_format: '卡密格式不对',
invalid_key: '卡密不存在',
key_revoked: '卡密已被封禁',
key_expired: '卡密已过期',
device_mismatch: '这张卡已绑定其他设备，请联系管理员解绑',
quota_exhausted: '这张卡次数已用完',
device_required: '设备标识缺失',
};
toast(`兑换失败：${map[error.message] || error.message}`, 'error');
track('license_redeem_fail', { error: error.message });
}
}
function openPay(planId) {
const plan = (state.plans || []).find((item) => item.id === planId);
const url = (plan && plan.buyUrl) || state.payUrl || cfg.payUrl || '';
if (!url) {
toast('管理员还没配置购买链接（PAY_URL 或套餐 buyUrl）', 'warning');
return;
}
let target = url;
try {
const parsed = new URL(url, location.origin);
if (planId) parsed.searchParams.set('plan', planId);
parsed.searchParams.set('uid', ANON_ID.slice(0, 12));
parsed.searchParams.set('device', DEVICE_ID.slice(0, 12));
target = parsed.toString();
} catch {
// use the raw URL
}
track('pay_click', { planId: planId || '' });
window.open(target, '_blank', 'noopener');
}
function handleLicenseWarning(warning) {
if (!warning) return;
if (['invalid_token', 'invalid_key', 'key_revoked', 'token_stale', 'device_mismatch', 'key_expired'].includes(warning)) {
clearLicenseSilent();
toast('卡密状态已变化，已切回免费额度', 'warning');
}
}
// ---------- account / points ----------
const ACCOUNT_ERRORS = {
invalid_credentials: '用户名或密码不对',
invalid_username: '用户名要 3-32 位，字母/数字/中文/下划线',
invalid_password: '密码至少 8 位',
username_taken: '这个用户名已经被用了',
unauthorized: '登录已失效，请重新登录',
invalid_token: '登录已失效，请重新登录',
invalid_key_format: '卡密格式不对',
invalid_key: '卡密不存在',
key_used: '这张卡密已经被使用',
key_revoked: '这张卡密已被封禁',
key_expired: '这张卡密已过期',
device_card: '这是旧版设备次数卡，请在旧版入口兑换',
invalid_points: '卡密积分无效',
too_many_requests: '操作太频繁，稍后再试',
};
function accountErrorText(code) {
return ACCOUNT_ERRORS[code] || code || '操作失败';
}
function accountName() {
return state.account && state.account.user ? state.account.user.username : '';
}
function accountStatusText() {
if (state.accountToken && state.account && state.account.user) {
return `积分 ${state.points}`;
}
return licenseQuotaText();
}
function saveAccount(data) {
state.account = data || null;
state.accountToken = data && data.token ? data.token : '';
state.points = data && data.points != null ? data.points : 0;
state.pointsExhausted = false;
gmSet(ACCOUNT_KEY, data && data.token ? data : null);
renderPanel();
}
function clearAccount(silent) {
state.account = null;
state.accountToken = '';
state.points = 0;
state.pointsExhausted = false;
gmSet(ACCOUNT_KEY, null);
renderPanel();
if (!silent) toast('已退出登录', 'info');
}
async function refreshAccount() {
if (!state.accountToken) return;
try {
const res = await httpJson({
url: `${base()}/api/me`,
headers: { Authorization: `Bearer ${state.accountToken}` },
});
if (res.status === 200 && res.data && res.data.ok) {
state.account = {
...(state.account || {}),
token: state.accountToken,
user: res.data.user,
points: res.data.balance,
dailyGrant: res.data.dailyGrant,
};
state.points = res.data.balance;
state.pointsExhausted = false;
gmSet(ACCOUNT_KEY, state.account);
renderPanel();
return;
}
if (res.status === 401 || res.status === 403) {
clearAccount(true);
toast('账号登录已失效，请重新登录', 'warning');
}
} catch {
// offline; keep local state
}
}
async function loginAccount(username, password) {
const name = String(username || '').trim();
if (!name || !password) {
toast('请输入用户名和密码', 'warning');
return;
}
const res = await httpJson({
url: `${base()}/api/auth/login`,
method: 'POST',
data: { username: name, password: String(password) },
});
if (res.status !== 200 || !res.data || !res.data.ok) {
throw new Error(res.data?.error || `登录失败 ${res.status}`);
}
saveAccount({
token: res.data.token,
user: res.data.user,
points: res.data.user.points,
dailyGrant: res.data.dailyGrant,
});
toast(`登录成功：${res.data.user.username}`, 'success');
if (res.data.dailyGrant) toast(`今日登录送 ${res.data.dailyGrant} 积分`, 'info');
track('account_login', {});
}
async function logoutAccount() {
try {
await httpJson({
url: `${base()}/api/auth/logout`,
method: 'POST',
headers: { Authorization: `Bearer ${state.accountToken}` },
});
} catch {
// local logout still works
}
clearAccount();
track('account_logout', {});
}
async function redeemPoints(code) {
const value = String(code || '').trim();
if (!value) {
toast('请输入卡密', 'warning');
return;
}
const res = await httpJson({
url: `${base()}/api/redeem`,
method: 'POST',
headers: { Authorization: `Bearer ${state.accountToken}` },
data: { code: value },
});
if (res.status !== 200 || !res.data || !res.data.ok) {
throw new Error(res.data?.error || `兑换失败 ${res.status}`);
}
state.points = res.data.balance;
state.pointsExhausted = false;
if (state.account) state.account.points = res.data.balance;
gmSet(ACCOUNT_KEY, state.account);
renderPanel();
toast(`兑换成功：+${res.data.points} 积分，当前 ${res.data.balance} 分`, 'success');
track('account_redeem', { points: res.data.points });
}
function openAccountPage() {
window.open(`${base()}${state.accountUrl || '/account.html'}`, '_blank', 'noopener');
}
// ---------- platform adapters ----------
const ADAPTERS = [];
function defineAdapter(adapter) {
ADAPTERS.push(adapter);
return adapter;
}
const Ouchn = defineAdapter({
id: 'ouchn',
name: '国家开放大学',
cohort: 'B',
test(url) {
try {
const host = new URL(url).hostname;
return /(^|\.)ouchn\.(cn|edu\.cn)$/.test(host) || host === 'lms.ouchn.cn' || host === 'study.ouchn.cn';
} catch {
return false;
}
},
questionSelector: 'li.subject, .subject, .que, .question, .que-item',
titleSelectors: ['.summary-title .subject-description', '.subject-description', '.qtext', '.question-title', '.stem', 'h3', 'h4'],
optionSelector: '.subject-options li.option label, .subject-options li.option, .answer label, .answer .r0, .answer .r1',
});
const Qingshu = defineAdapter({
id: 'qingshu',
name: '青书学堂',
cohort: 'B',
test(url) {
try {
return /(^|\.)qingshuxuetang\.com$/.test(new URL(url).hostname);
} catch {
return false;
}
},
questionSelector: '.question-item, .question, .que-item, .timu, [class*="question"]',
titleSelectors: ['.question-title', '.title', '.stem', '.timu-title', 'h3', 'h4'],
optionSelector: 'label, .option, li',
});
const Jijiao = defineAdapter({
id: 'jijiaox',
name: '继教云',
cohort: 'B',
test(url) {
try {
return /(^|\.)jijiao(x|ol)\.com$/.test(new URL(url).hostname);
} catch {
return false;
}
},
questionSelector: '.question, .question-item, .que-item, .subject, [class*="question"]',
titleSelectors: ['.question-title', '.title', '.stem', '.subject-title', 'h3', 'h4'],
optionSelector: 'label, .option, li',
});
const Chaoxing = defineAdapter({
id: 'chaoxing',
name: '超星学习通',
cohort: 'A',
test(url) {
try {
return /(^|\.)chaoxing\.com$/.test(new URL(url).hostname);
} catch {
return false;
}
},
typeHint(el) {
const page = el.closest('[data-seeclick], .questionLi, .TiMu, .ZyQLti, .mark_name, [class*="exam"]');
if (page && /kaoshi|exam|test/i.test(page.className + ' ' + (page.getAttribute('data-seeclick') || ''))) return 'exam';
return 'work';
},
questionSelector: '.questionLi, .TiMu, .ZyQLti, .mark_name, [class*="question"]',
titleSelectors: ['.qBord .Zy_TItle .textTitle, .Zy_TItle .textTitle, .Zy_TItle, .tiulanTitle .Zy_TItle, .qtitle, .titlediv, .stem', '.qBord .Zy_TItle'],
optionSelector: '.qTimeline .Zy_ulTop li, .Zy_ulTop li, ul li label, .optionCon label, .choiceBox li',
fillOverride(question, value) {
if (value == null) return false;
const root = question.el;
const selects = Array.from(root.querySelectorAll('select'));
if (selects.length) {
const arr = Array.isArray(value) ? value : [value];
if (selects.length !== arr.length && arr.length !== 1) return false;
selects.forEach((sel, i) => {
const v = arr.length === 1 ? arr[0] : arr[i];
setNativeValue(sel, String(v));
sel.dispatchEvent(new Event('change', { bubbles: true }));
});
return true;
}
const inputs = Array.from(root.querySelectorAll('input[type="radio"], input[type="checkbox"]'));
if (!inputs.length) return false;
const letters = (Array.isArray(value) ? value : [value]).map((v) => String(v).replace(/[^A-Ha-h]/g, '').toUpperCase()).filter(Boolean);
let hit = false;
inputs.forEach((input) => {
const holder = input.closest('li') || input.parentElement || input;
const label = holder.textContent || '';
const letter = (label.match(/^[\s\S]{0,3}([A-Ha-h])[.、．）)]/) || [])[1];
if (letter && letters.includes(letter.toUpperCase())) {
input.click();
hit = true;
}
});
return hit;
},
});
const Generic = defineAdapter({
id: 'generic',
name: '当前页面',
cohort: 'B',
test() {
return true;
},
questionSelector: '.que, .question, .question-item, .que-item, .subject-item, [data-question], [class*="question"]',
titleSelectors: ['.qtext', '.question-title', '.title', '.stem', '[class*="stem"]', '[class*="title"]', 'h3', 'h4', 'p'],
optionSelector: 'label, li',
});
function pickAdapter() {
const forced = new URLSearchParams(location.search).get('adapter');
if (forced) {
const found = ADAPTERS.find((adapter) => adapter.id === forced);
if (found) return found;
}
return ADAPTERS.find((adapter) => adapter.test(location.href)) || Generic;
}
// ---------- extraction ----------
function extractOptions(root, adapter) {
const seen = new Set();
const options = [];
const push = (input, labelEl) => {
if (!input || seen.has(input)) return;
seen.add(input);
const holder = labelEl || input.closest('label') || input.parentElement;
let text = textOf(holder);
if (!text) return;
text = text.replace(/^[A-Ha-h][.、．)）:：]\s*/, '').trim();
options.push({ text, input, label: holder });
};
for (const el of all(root, adapter.optionSelector)) {
const input = el.matches('input') ? el : el.querySelector('input[type="radio"], input[type="checkbox"]');
if (input) push(input, el.matches('label') ? el : input.closest('label') || el);
}
if (!options.length) {
for (const input of all(root, 'input[type="radio"], input[type="checkbox"]')) push(input, null);
}
return options;
}
function isJudgeOptions(options) {
if (options.length !== 2) return false;
const truthy = ['正确', '对', '是', '√', '✓', 'true', 't', '1'];
const falsy = ['错误', '错', '否', '×', '✕', 'false', 'f', '0', '不正确'];
return options.every((opt) => {
const text = opt.text.replace(/\s+/g, '').toLowerCase();
return truthy.includes(text) || falsy.includes(text);
});
}
function extractQuestion(root, adapter) {
const titleEl = firstMatch(root, adapter.titleSelectors);
let title = textOf(titleEl);
if (!title) {
const clone = root.cloneNode(true);
clone.querySelectorAll('input, textarea, button, script, style, .answer, .options, .option, label').forEach((node) => node.remove());
title = rawText(clone).slice(0, 500);
}
title = title
.replace(/^(单选题?|多选题?|判断题?|填空题?|简答题?|论述题?|名词解释题?)\s*[·:：]?\s*/, '')
.replace(/^\d+[.、．)]\s*/, '')
.trim();
if (!title) return null;
const options = extractOptions(root, adapter);
const radios = all(root, 'input[type="radio"]');
const checkboxes = all(root, 'input[type="checkbox"]');
const textInputs = all(root, 'input[type="text"], input:not([type]), textarea');
const textareas = textInputs.filter((el) => el.tagName === 'TEXTAREA');
const singleInputs = textInputs.filter((el) => el.tagName !== 'TEXTAREA');
if (!options.length && !radios.length && !checkboxes.length && !textInputs.length) return null;
let type = 'subjective';
if (checkboxes.length) type = 'multiple';
else if (radios.length) type = isJudgeOptions(options) ? 'judge' : 'single';
else if (textareas.length) type = 'subjective';
else if (singleInputs.length) type = 'blank';
return {
el: root,
title: title.slice(0, 1000),
type,
options,
radios,
checkboxes,
textInputs: singleInputs,
textareas,
blanks: singleInputs.length,
status: type === 'subjective' ? 'wait' : 'todo',
hooked: false,
answer: null,
source: '',
error: '',
};
}
function scanQuestions(silent) {
const adapter = state.adapter;
let nodes = all(document, adapter.questionSelector);
nodes = nodes.filter((node) => !nodes.some((other) => other !== node && other.contains(node)));
const questions = [];
for (const node of nodes) {
if (node.closest('#qoda-host')) continue;
const question = extractQuestion(node, adapter);
if (!question) continue;
question.id = `q${questions.length}`;
question.index = questions.length + 1;
question.el.dataset.qodaQid = question.id;
questions.push(question);
}
state.questions = questions;
state.summaryTracked = false;
if (cfg.hooks) questions.forEach(addSubjectiveHook);
renderPanel();
if (!silent) {
toast(questions.length ? `扫描到 ${questions.length} 道题` : '没找到题目，试试刷新页面或手动滚到题目区域', questions.length ? 'success' : 'warning');
track('scan', { count: questions.length });
}
return questions;
}
// ---------- answering ----------
function mockLocal(question) {
const hash = hashText(question.title);
if (question.type === 'single') {
const count = Math.max(1, question.options.length);
return String.fromCharCode(65 + (hash % count));
}
if (question.type === 'multiple') {
const count = Math.max(2, Math.min(question.options.length || 2, 2 + (hash % 2)));
return Array.from({ length: count }, (_, i) => String.fromCharCode(65 + i));
}
if (question.type === 'judge') return hash % 2 === 0 ? '正确' : '错误';
if (question.type === 'blank') {
return Array.from({ length: Math.max(1, question.blanks) }, (_, i) => `参考要点${i + 1}`);
}
return `参考要点：${question.title.slice(0, 60)}。建议结合课程内容分点作答，并补充自己的理解。（AI 生成，仅供参考）`;
}
function localPrompt(question) {
const options = question.options.map((opt, i) => `${String.fromCharCode(65 + i)}. ${opt.text}`).join('\n');
const head = `题型：${TYPE_LABEL[question.type]}\n题目：${question.title}\n${options ? `选项：\n${options}\n` : ''}`;
if (question.type === 'single') return `${head}\n只输出 JSON：{"answer":"A"}`;
if (question.type === 'multiple') return `${head}\n只输出 JSON：{"answer":["A","C"]}`;
if (question.type === 'judge') return `${head}\n只输出 JSON：{"answer":"正确"} 或 {"answer":"错误"}`;
if (question.type === 'blank') return `${head}\n只输出 JSON：{"answer":["第1空"]}，共 ${question.blanks} 个`;
return `${head}\n只输出 JSON：{"answer":"简洁的参考答案"}`;
}
function parseLooseJson(text) {
try {
return JSON.parse(text);
} catch {
const match = String(text || '').match(/\{[\s\S]*\}/);
if (match) return JSON.parse(match[0]);
throw new Error('AI 返回格式不正确');
}
}
function normalizeLocal(question, value) {
if (question.type === 'multiple') {
return Array.isArray(value) ? value : String(value ?? '').split(/[,，、;；\s]+/).filter(Boolean);
}
if (question.type === 'blank') {
const list = Array.isArray(value) ? value.map((item) => String(item ?? '')) : [String(value ?? '')];
while (list.length < question.blanks) list.push('');
return list.slice(0, question.blanks);
}
return String(value ?? '');
}
async function askDirect(question) {
if (!cfg.directKey) throw new Error('未填写直连 API Key');
const res = await httpJson({
url: `${String(cfg.directBase).replace(/\/+$/, '')}/chat/completions`,
method: 'POST',
headers: { Authorization: `Bearer ${cfg.directKey}` },
data: {
model: cfg.directModel,
messages: [
{ role: 'system', content: '只输出一行 JSON，不要解释，不要 Markdown。' },
{ role: 'user', content: localPrompt(question) },
],
temperature: 0.2,
max_tokens: 800,
},
});
if (res.status !== 200) throw new Error(`直连返回 ${res.status}`);
const text = res.data?.choices?.[0]?.message?.content || '';
const parsed = parseLooseJson(text);
return { ok: true, answer: normalizeLocal(question, parsed.answer), source: 'direct' };
}
async function ask(question) {
const localHit = await withTimeout(bankLookupLocal(question), 2000, null);
if (localHit) {
return { ok: true, answer: localHit.answer, source: localHit.source, record: localHit.record };
}
const sharedHit = await withTimeout(bankLookupShared(question), 6000, null);
if (sharedHit) {
return { ok: true, answer: sharedHit.answer, source: sharedHit.source, record: sharedHit.record, score: sharedHit.score };
}
const adapterHit = await withTimeout(bankLookupAdapter(question), 6000, null);
if (adapterHit) {
return { ok: true, answer: adapterHit.answer, source: adapterHit.source, score: adapterHit.score };
}
if (cfg.mode === 'mock') {
return { ok: true, answer: mockLocal(question), source: 'local-mock' };
}
if (cfg.mode === 'direct') {
const result = await askDirect(question);
await bankSaveAi(question, result.answer);
return result;
}
const res = await httpJson({
url: `${base()}/api/answer`,
method: 'POST',
headers: state.accountToken ? { Authorization: `Bearer ${state.accountToken}` } : {},
data: {
anonId: ANON_ID,
deviceId: DEVICE_ID,
token: state.license ? state.license.token : '',
platform: state.adapter.id,
type: question.type,
title: question.title,
options: question.options.map((opt) => opt.text),
blanks: question.blanks,
},
});
if (res.status === 401 && state.accountToken) {
clearAccount(true);
throw new Error('登录已失效，请重新登录');
}
if (res.status === 402) {
if (res.data && res.data.balance != null) state.points = res.data.balance;
if (res.data && res.data.cost != null) state.aiCost = res.data.cost;
if (res.data && res.data.payUrl) state.payUrl = res.data.payUrl;
if (res.data && res.data.error === 'points_exhausted') {
state.pointsExhausted = true;
} else {
state.quota = res.data && res.data.quota ? res.data.quota : state.quota;
state.quotaExceeded = Boolean(state.quota && state.quota.remaining <= 0);
}
renderPanel();
track('insufficient', { error: res.data?.error || '', points: state.points, quotaRemaining: state.quota ? state.quota.remaining : null });
throw new Error(res.data?.error === 'points_exhausted' ? '积分不足，AI 兜底已暂停' : 'AI 兜底次数用完了');
}
if (res.status !== 200 || !res.data || !res.data.ok) {
throw new Error(res.data?.message || res.data?.error || `服务返回 ${res.status}`);
}
if (res.data.points != null) {
state.points = res.data.points;
state.pointsExhausted = false;
if (state.account) {
state.account.points = res.data.points;
gmSet(ACCOUNT_KEY, state.account);
}
}
if (res.data.quota) {
state.quota = res.data.quota;
state.quotaExceeded = Boolean(res.data.quota.remaining <= 0);
renderPanel();
}
if (res.data.warning) handleLicenseWarning(res.data.warning);
if (res.data.source !== 'mock') {
await bankSaveAi(question, res.data.answer);
}
return res.data;
}
function resolveOption(question, value) {
const text = String(value ?? '').trim();
if (question.type === 'judge') {
const truthy = /^(正确|对|是|true|t|√|✓|1|yes|y)$/i.test(text);
const falsy = /^(错误|错|否|false|f|×|✕|x|0|no|n|不正确)$/i.test(text);
if (!truthy && !falsy) return null;
const wantTrue = truthy;
const trueSet = ['正确', '对', '是', '√', '✓', 'true', 't', '1'];
const falseSet = ['错误', '错', '否', '×', '✕', 'false', 'f', '0', '不正确'];
const index = question.options.findIndex((opt) => {
const normalized = opt.text.replace(/\s+/g, '').toLowerCase();
return wantTrue ? trueSet.includes(normalized) : falseSet.includes(normalized);
});
if (index >= 0) return question.options[index];
const radios = question.radios;
const fallback = radios[wantTrue ? 0 : 1];
return fallback ? { input: fallback } : null;
}
const letter = text.match(/^([A-H])(?:[.、,:：)\s]|$)/i);
if (letter) {
const index = letter[1].toUpperCase().charCodeAt(0) - 65;
if (question.options[index]) return question.options[index];
}
const normalized = text.replace(/\s+/g, '').toLowerCase();
const index = question.options.findIndex((opt) => opt.text.replace(/\s+/g, '').toLowerCase() === normalized);
return index >= 0 ? question.options[index] : null;
}
function checkInput(input) {
if (!input) return;
try {
input.click();
} catch {
// ignore
}
try {
if (!input.checked) input.checked = true;
input.dispatchEvent(new Event('input', { bubbles: true }));
input.dispatchEvent(new Event('change', { bubbles: true }));
} catch {
// ignore
}
}
function setNativeValue(el, value) {
const proto = el.tagName === 'TEXTAREA' ? window.HTMLTextAreaElement.prototype : window.HTMLInputElement.prototype;
const setter = Object.getOwnPropertyDescriptor(proto, 'value')?.set;
if (setter) setter.call(el, value);
else el.value = value;
el.dispatchEvent(new Event('input', { bubbles: true }));
el.dispatchEvent(new Event('change', { bubbles: true }));
el.dispatchEvent(new Event('blur', { bubbles: true }));
}
function fillRichText(question, text) {
const scope = question.el;
try {
const editorNs = window.UE || window.ue;
const host = scope.querySelector('textarea[name], .edui-body-container, [contenteditable="true"]');
if (editorNs && typeof editorNs.getEditor === 'function' && host) {
const name = (host.getAttribute && (host.getAttribute('name') || host.id)) || '';
const editor = name ? editorNs.getEditor(name) : null;
if (editor && typeof editor.setContent === 'function') {
editor.setContent(text);
return true;
}
}
} catch {
// editor namespace may be unavailable on non-UEditor platforms
}
const editable = scope.querySelector('[contenteditable="true"]');
if (editable) {
try {
editable.focus();
editable.textContent = text;
editable.dispatchEvent(new Event('input', { bubbles: true }));
editable.dispatchEvent(new Event('change', { bubbles: true }));
return true;
} catch {
return false;
}
}
return false;
}
function fillQuestion(question, answer) {
if (question.type === 'single' || question.type === 'judge') {
const target = resolveOption(question, Array.isArray(answer) ? answer[0] : answer);
if (!target) return false;
checkInput(target.input);
return true;
}
if (question.type === 'multiple') {
const values = Array.isArray(answer) ? answer : String(answer ?? '').split(/[,，、;；\s]+/).filter(Boolean);
let filled = 0;
for (const value of values) {
const target = resolveOption(question, value);
if (target) {
checkInput(target.input);
filled += 1;
}
}
return filled > 0;
}
if (question.type === 'blank') {
const values = Array.isArray(answer) ? answer : [answer];
let filled = 0;
question.textInputs.forEach((input, index) => {
const value = values[index];
if (value !== undefined && String(value).trim() !== '') {
setNativeValue(input, String(value));
filled += 1;
}
});
return filled > 0;
}
const text = Array.isArray(answer) ? answer.join('\n') : String(answer ?? '');
if (fillRichText(question, text)) return true;
if (question.textareas.length) {
setNativeValue(question.textareas[0], text);
return true;
}
return false;
}
async function answerAll() {
if (state.running) return;
if (!state.questions.length) scanQuestions(true);
const targets = state.questions.filter((question) => question.type !== 'subjective' && question.status !== 'done');
if (!targets.length) {
toast('没有需要自动作答的客观题', 'info');
return;
}
state.running = true;
state.lastSummary = null;
state.summaryTracked = false;
renderPanel();
track('answer_start', { count: targets.length });
let done = 0;
let fail = 0;
let pointsSpent = 0;
const sources = { local: 0, shared: 0, ai: 0, mock: 0 };
state.stopRequested = false;
const queue = targets.slice();
const worker = async () => {
while (queue.length) {
if (state.stopRequested) return;
const question = queue.shift();
question.status = 'run';
renderPanel();
try {
const res = await ask(question);
pointsSpent += Number(res.cost) || 0;
const filled = fillQuestion(question, res.answer);
question.answer = res.answer;
question.source = res.source;
question.status = filled ? 'done' : 'fail';
question.error = filled ? '' : '没找到可填写的控件';
if (filled) {
done += 1;
const bucket = sourceBucket(question.source);
sources[bucket] = (sources[bucket] || 0) + 1;
} else {
fail += 1;
}
} catch (error) {
question.status = 'fail';
question.error = error.message;
fail += 1;
}
track('answer_item', { type: question.type, status: question.status, source: question.source || '' });
renderPanel();
await sleep(320);
}
};
const width = Math.max(1, Math.min(Number(cfg.concurrency) || 3, 5));
await Promise.all(Array.from({ length: width }, worker));
state.stopRequested = false;
state.running = false;
const subjective = state.questions.filter((question) => question.type === 'subjective').length;
state.lastSummary = { done, fail, subjective, total: state.questions.length, sources, pointsSpent };
track('answer_done', state.lastSummary);
renderPanel();
toast(
`已答 ${done} 题${fail ? `，失败 ${fail}` : ''}${subjective ? `；还有 ${subjective} 道主观题，可点题目下方的 AI 按钮` : ''}`,
fail ? 'warning' : 'success',
);
}
// ---------- hooks ----------
function addSubjectiveHook(question) {
if (question.type !== 'subjective' || question.hooked) return;
question.hooked = true;
const titleEl = firstMatch(question.el, state.adapter.titleSelectors) || question.el;
const wrap = document.createElement('div');
wrap.className = 'qoda-hook-wrap';
wrap.style.cssText = 'margin:10px 0 6px;font:13px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;';
const button = document.createElement('button');
button.type = 'button';
button.textContent = '没思路？一键帮你写';
button.style.cssText = 'border:0;border-radius:8px;background:#2563eb;color:#fff;padding:8px 14px;font-size:13px;cursor:pointer;box-shadow:0 2px 8px rgba(37,99,235,.25);';
button.addEventListener('click', async (event) => {
event.preventDefault();
event.stopPropagation();
track('hook_click_subjective', { platform: state.adapter.id, type: question.type });
button.disabled = true;
button.textContent = '生成中…';
try {
const res = await ask(question);
const text = Array.isArray(res.answer) ? res.answer.join('\n') : String(res.answer ?? '');
fillQuestion(question, res.answer);
question.status = 'done';
question.answer = res.answer;
question.source = res.source;
if (state.lastSummary) {
state.lastSummary.done += 1;
state.lastSummary.sources = state.lastSummary.sources || { local: 0, shared: 0, ai: 0, mock: 0 };
const bucket = sourceBucket(res.source);
state.lastSummary.sources[bucket] = (state.lastSummary.sources[bucket] || 0) + 1;
state.lastSummary.subjective = state.questions.filter(
(item) => item.type === 'subjective' && item.status !== 'done',
).length;
}
renderPanel();
const card = document.createElement('div');
card.style.cssText = 'margin-top:10px;border:1px solid #dbeafe;background:#f8fbff;border-radius:10px;padding:12px;font:13px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#1f2937;';
const fromBank = res.source === 'local' || res.source === 'shared';
const note = document.createElement('div');
note.textContent = `${fromBank ? '题库参考答案' : 'AI 参考答案'}（仅供参考，请自行核对）`;
note.style.cssText = 'font-size:12px;color:#64748b;margin-bottom:6px;';
const body = document.createElement('div');
body.textContent = text;
body.style.cssText = 'white-space:pre-wrap;';
const cta = document.createElement('div');
cta.style.cssText = 'margin-top:10px;display:flex;align-items:center;gap:10px;';
const link = document.createElement('a');
link.href = thesisUrl('subjective');
link.target = '_blank';
link.rel = 'noopener';
link.textContent = '要写整篇论文？→ 论文助手';
link.style.cssText = 'color:#64748b;font-weight:400;text-decoration:none;';
link.addEventListener('click', () => track('hook_click_subjective_thesis', { platform: state.adapter.id }));
const close = document.createElement('button');
close.type = 'button';
close.textContent = '收起';
close.style.cssText = 'margin-left:auto;border:0;background:transparent;color:#64748b;font-size:12px;cursor:pointer;';
close.addEventListener('click', () => card.remove());
cta.append(link, close);
card.append(note, body, cta);
wrap.replaceChildren(card);
} catch (error) {
button.disabled = false;
button.textContent = '重试 AI 生成';
toast(`生成失败：${error.message}`, 'error');
}
});
wrap.appendChild(button);
try {
titleEl.insertAdjacentElement('afterend', wrap);
} catch {
question.el.prepend(wrap);
}
track('hook_impression_subjective', { platform: state.adapter.id, type: question.type });
}
function maybeSceneHook() {
const forced = new URLSearchParams(location.search).get('scene') === 'thesis';
const pageText = document.body && document.body.innerText ? document.body.innerText.slice(0, 120000) : '';
if (!forced && !/毕业论文|开题报告|毕业设计|学位论文/.test(pageText)) return;
const dismissedUntil = Number(gmGet(SCENE_KEY, 0)) || 0;
if (dismissedUntil > Date.now()) return;
const card = document.createElement('div');
card.style.cssText = 'position:fixed;left:18px;bottom:18px;z-index:2147483645;width:300px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 16px 40px rgba(15,23,42,.16);padding:14px 16px;font:13px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#111827;';
const close = document.createElement('button');
close.type = 'button';
close.textContent = '关闭';
close.style.cssText = 'float:right;border:0;background:transparent;color:#64748b;cursor:pointer;font-size:12px;';
close.addEventListener('click', () => {
gmSet(SCENE_KEY, Date.now() + 7 * 86400000);
card.remove();
});
const title = document.createElement('div');
title.textContent = '毕业论文 / 职称论文';
title.style.cssText = 'font-weight:700;margin-bottom:4px;';
const desc = document.createElement('div');
desc.textContent = '选题、大纲、查重降重、格式排版，一站处理。';
desc.style.cssText = 'color:#4b5563;margin-bottom:10px;';
const link = document.createElement('a');
link.href = thesisUrl('scene');
link.target = '_blank';
link.rel = 'noopener';
link.textContent = '去看看 →';
link.style.cssText = 'color:#64748b;font-weight:400;text-decoration:none;';
link.addEventListener('click', () => track('hook_click_scene_thesis', { platform: state.adapter.id }));
card.append(close, title, desc, link);
document.documentElement.appendChild(card);
track('hook_impression_scene', { platform: state.adapter.id });
}
// ---------- UI ----------
// 学伴 logo：蓝底圆角方 + 摊开的书 + 绿色对勾徽标（纯 SVG，零依赖）
const LOGO_SVG = "\n";
const CSS = `
:host { all: initial; }
*, *::before, *::after { box-sizing: border-box; }
.qoda-shell { position: fixed; right: 18px; bottom: 18px; z-index: 2147483646; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
.qoda-launcher { width: 48px; height: 48px; border-radius: 50%; border: 0; padding: 0; background: transparent; cursor: pointer; box-shadow: 0 8px 24px rgba(37,99,235,.35); display: flex; align-items: center; justify-content: center; overflow: hidden; } .qoda-launcher svg { width: 48px; height: 48px; display: block; }
.qoda-panel { position: absolute; right: 0; bottom: 58px; width: 340px; max-height: 72vh; overflow: auto; background: #fff; border: 1px solid #e5e7eb; border-radius: 14px; box-shadow: 0 18px 50px rgba(15,23,42,.18); color: #111827; }
.qoda-hidden { display: none !important; }
.qoda-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid #f1f5f9; position: sticky; top: 0; background: #fff; z-index: 1; }
.qoda-brand { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 7px; } .qoda-brand svg { width: 22px; height: 22px; border-radius: 6px; display: block; flex: 0 0 22px; }
.qoda-brand span { font-size: 11px; font-weight: 500; color: #64748b; margin-left: 6px; } .qoda-brand-txt { font-size: 14px; font-weight: 700; color: #111827; margin-left: 0 !important; } .qoda-brand-txt span { font-size: 11px; font-weight: 500; color: #64748b; margin-left: 6px; }
.qoda-x { border: 0; background: transparent; font-size: 20px; line-height: 1; color: #94a3b8; cursor: pointer; }
.qoda-body { padding: 12px 14px 14px; }
.qoda-meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 11px; color: #64748b; margin-bottom: 10px; }
.qoda-meta span { background: #f1f5f9; border-radius: 999px; padding: 3px 8px; }
.qoda-alert { background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412; border-radius: 8px; padding: 8px 10px; font-size: 12px; margin-bottom: 10px; }
.qoda-actions { display: flex; gap: 8px; margin-bottom: 12px; }
.qoda-btn { flex: 1; border: 1px solid #e2e8f0; background: #fff; color: #334155; border-radius: 8px; padding: 8px 6px; font-size: 12px; cursor: pointer; }
.qoda-btn.primary { background: #2563eb; border-color: #2563eb; color: #fff; font-weight: 600; }
.qoda-btn.ghost { flex: 0 0 64px; color: #64748b; }
.qoda-btn:disabled { opacity: .5; cursor: not-allowed; }
.qoda-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.qoda-q { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-radius: 7px; font-size: 12px; cursor: pointer; }
.qoda-q:hover { background: #f8fafc; }
.qoda-dot { width: 7px; height: 7px; border-radius: 50%; background: #cbd5e1; flex: 0 0 7px; }
.qoda-dot.run { background: #f59e0b; }
.qoda-dot.done { background: #16a34a; }
.qoda-dot.fail { background: #dc2626; }
.qoda-dot.wait { background: #2563eb; }
.qoda-q-title { flex: 1; color: #334155; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qoda-q-status { color: #94a3b8; font-size: 11px; }
.qoda-empty { font-size: 12px; color: #94a3b8; padding: 8px 0; }
.qoda-tools { border-top: 1px dashed #e2e8f0; padding-top: 10px; margin-bottom: 10px; }
.qoda-tools-title { font-size: 12px; font-weight: 600; color: #334155; margin-bottom: 6px; }
.qoda-tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.qoda-tool { display: block; text-align: center; padding: 6px; border-radius: 7px; background: #f8fafc; color: #64748b; font-size: 12px; text-decoration: none; }
.qoda-card { border: 1px solid #e5e7eb; background: #fafafa; border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
.qoda-card-title { font-size: 13px; font-weight: 700; margin-bottom: 3px; }
.qoda-card-text { font-size: 12px; color: #475569; margin-bottom: 6px; }
.qoda-card-link { font-size: 12px; color: #64748b; font-weight: 400; text-decoration: none; }
.qoda-foot { font-size: 11px; color: #94a3b8; line-height: 1.5; }
.qoda-settings { display: flex; flex-direction: column; gap: 9px; }
.qoda-label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: #475569; }
.qoda-input { width: 100%; border: 1px solid #e2e8f0; border-radius: 7px; padding: 7px 9px; font-size: 12px; color: #111827; background: #fff; }
.qoda-check { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #475569; }
.qoda-settings-actions { display: flex; gap: 8px; margin-top: 4px; }
.qoda-hint { font-size: 11px; color: #94a3b8; line-height: 1.5; }
.qoda-actions2 { margin-top: -6px; }
.qoda-search { margin-bottom: 12px; }
.qoda-search-results { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.qoda-result { border: 1px solid #e2e8f0; border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.qoda-result:hover { background: #f8fafc; }
.qoda-result-title { font-size: 12px; font-weight: 600; color: #334155; }
.qoda-result-answer { font-size: 12px; color: #1d4ed8; margin-top: 2px; }
.qoda-result-meta { font-size: 11px; color: #94a3b8; margin-top: 2px; }
.qoda-bank-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; color: #475569; }
.qoda-legacy { margin-top: 10px; border-top: 1px dashed #e2e8f0; padding-top: 8px; }
.qoda-legacy summary { cursor: pointer; font-size: 12px; color: #64748b; font-weight: 600; }
.qoda-plan-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 8px; }
.qoda-quota-card { border-color: #fde68a; background: #fffbeb; }
.qoda-toasts { position: fixed; right: 18px; bottom: 76px; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; pointer-events: none; }
.qoda-toast { background: #111827; color: #fff; border-radius: 8px; padding: 8px 12px; font-size: 12px; max-width: 300px; box-shadow: 0 8px 24px rgba(15,23,42,.2); }
.qoda-toast.warning { background: #9a3412; }
.qoda-toast.success { background: #166534; }
.qoda-toast.error { background: #991b1b; }
.qoda-cq { border-radius: 8px; font-size: 12px; padding: 6px 8px; margin-bottom: 4px; background: #f8fafc; }
.qoda-cq-head { display: flex; gap: 6px; align-items: center; cursor: pointer; }
.qoda-cq-opts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.qoda-chip { border: 1px solid #e2e8f0; background: #fff; border-radius: 6px; padding: 3px 7px; font-size: 11px; cursor: pointer; color: #334155; }
.qoda-chip.on { background: #2563eb; border-color: #2563eb; color: #fff; font-weight: 600; }
.qoda-cold-text { width: 100%; border: 1px solid #e2e8f0; border-radius: 6px; padding: 5px 7px; font-size: 11px; margin-top: 4px; }
`;
function questionStatusText(question) {
const base = STATUS_TEXT[question.status] || '';
if (question.status === 'done' && question.source) return `${base} · ${sourceLabel(question.source)}`;
return base;
}
function searchResultsHtml() {
if (state.searching) return '搜索中…
';
if (!state.searchQuery) return '输入关键词，先搜本地题库，再搜共享题库。
';
if (!state.searchResults.length) return '没找到，试试上传题库或换关键词。
';
return state.searchResults
.map((item) => {
const record = item.record;
const answer = Array.isArray(record.answer) ? record.answer.join(' / ') : String(record.answer ?? '');
const score = item.score || 0;
const matchLabel = score >= 0.98 ? '精确匹配' : score >= 0.82 ? '高相似' : '关键词命中';
return `${esc(truncate(record.title, 36))}
${esc(truncate(answer, 60))}
${sourceLabel(item.source)} · ${matchLabel}
本次已答 ${state.lastSummary.done} 题${state.lastSummary.fail ? `，失败 ${state.lastSummary.fail}` : ''}
${state.lastSummary.subjective ? `还有 ${state.lastSummary.subjective} 道主观题，可以点题目下方的「一键帮写」。` : '客观题已完成。'}${sourceText ? ` 来源：${sourceText}。` : ''}${state.lastSummary.pointsSpent ? ` 本次消耗 ${state.lastSummary.pointsSpent} 积分。` : ''}
课程论文 / 毕业论文不会写？→ 论文助手AI 兜底次数用完了
题库命中仍然免费；AI 兜底按次消耗每日免费额度或积分。登录后可在账户页查看额度或购买积分。
积分不足
题库命中仍然免费；AI 兜底每次 ${state.aiCost} 分。登录后可在账户页兑换卡密或购买积分。
${esc(state.adapter.name)}${questions.length} 题题库 ${state.bankCount} 题${state.sharedCount ? `共享 ${state.sharedCount} 题` : ''}${esc(quotaText)}
${state.running ? '' : ''}
${state.coldStart ? `冷启动：只回写你人工勾选 / 填写并确认的题目，来源记 coldstart，比抓第三方干净。
` : ''}
${state.showSearch ? searchHtml() : ''}
${list}
${summary}
${quotaCard}
${pointsCard}
`;
}
function accountSectionHtml() {
if (state.accountToken && state.account && state.account.user) {
return `
账号 / 积分
${esc(accountName())} · 积分 ${state.points}AI ${state.aiCost} 分/次
题库命中 0 分；AI 兜底每次 ${state.aiCost} 分；每日登录送 ${state.dailyGrant} 分。
`;
}
return `
账号 / 积分
不登录也能用免费额度；注册送 ${state.welcomePoints} 积分。题库命中 0 分，AI 兜底每次 ${state.aiCost} 分。
`;
}
function settingsHtml() {
return `
`;
}
function coldCountConfirmed() {
return state.questions.filter(
(q) => (state.coldPicks[q.id] && state.coldPicks[q.id].length) || (state.coldTexts[q.id] || '').trim()
).length;
}
function buildListHtml(questions) {
if (!questions.length) return '还没有扫描题目。点「扫描题目」开始。
';
if (!state.coldStart) {
return questions
.map(
(question) =>
`${question.index}. [${TYPE_LABEL[question.type]}] ${esc(truncate(question.title, 24))}${questionStatusText(question)}
`,
)
.join('');
}
const letterOf = (i) => String.fromCharCode(65 + i);
return questions
.map((q) => {
const picks = state.coldPicks[q.id] || [];
let opts = '';
if (q.options.length) {
opts = q.options
.map((o, i) => {
const on = picks.includes(i);
const label = q.type === 'judge' ? o.text : `${letterOf(i)}. ${o.text}`;
return ``;
})
.join('');
}
const textVal = state.coldTexts[q.id] || '';
const textInput =
q.type === 'blank' || q.type === 'subjective'
? ``
: '';
return `${q.index}. [${TYPE_LABEL[q.type]}] ${esc(truncate(q.title, 30))}
${opts}${textInput}