自动持续点击“查看全部/查看更多回复”，一键展开楼中楼；支持 Alt+E 开关（持久化）、SPA 导航自适应、右下角状态徽章。
// ==UserScript==
// @name B站评论自动展开 v1
// @namespace qlt-auto-expand-bili-comments
// @version 0.2.1
// @description 自动持续点击“查看全部/查看更多回复”，一键展开楼中楼；支持 Alt+E 开关（持久化）、SPA 导航自适应、右下角状态徽章。
// @author qiletian
// @match https://www.bilibili.com/video/*
// @match https://www.bilibili.com/bangumi/play/*
// @match https://www.bilibili.com/read/*
// @match https://www.bilibili.com/opus/*
// @icon https://www.bilibili.com/favicon.ico
// @run-at document-idle
// @grant none
// ==/UserScript==
(function () {
'use strict';
const Config = {
scanInterval: 700, // 扫描周期(ms)
jitter: [100, 250], // 每次点击的随机抖动(ms)
maxClicksPerTick: 8, // 单轮最多点击几个“查看更多”
maxTotalClicks: 5000, // 安全阈值，避免过度请求
autoStart: true, // 首次无持久化记录时的默认值
};
// —— 状态持久化 —— //
const STORE_KEY = 'biliAutoExpand.enabled.v1';
const saveEnabled = (v) => {
try { localStorage.setItem(STORE_KEY, v ? '1' : '0'); } catch (_) {}
};
const loadEnabled = (fallback = Config.autoStart) => {
try {
const v = localStorage.getItem(STORE_KEY);
if (v === null) return fallback;
return v === '1';
} catch (_) { return fallback; }
};
let enabled = loadEnabled(); // 关键：初始化时从 localStorage 读取
let totalClicks = 0;
let clickedButtons = new WeakSet(); // 记忆已点过按钮，避免重复
let timer = null; // setInterval 句柄
let currentApp = null; // 缓存当前评论 App 节点
let appObserver = null; // 监听评论区内部变化的观察器
let bootTimer = null; // 防抖重引导
const log = (...args) => console.debug('[Bili-AutoExpand]', ...args);
const rand = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min;
function waitForCommentApp(timeout = 30000) {
return new Promise((resolve, reject) => {
const t0 = Date.now();
(function check() {
const app = document.querySelector('#commentapp > bili-comments');
if (app?.shadowRoot) return resolve(app);
if (Date.now() - t0 > timeout) return reject(new Error('commentapp not found'));
requestAnimationFrame(check);
})();
});
}
function findViewMoreButtons(app) {
const out = [];
try {
const threads = app.shadowRoot.querySelectorAll('#feed > bili-comment-thread-renderer');
threads.forEach(thread => {
const tsr = thread.shadowRoot;
if (!tsr) return;
const replies = tsr.querySelector('#replies > bili-comment-replies-renderer');
if (!replies?.shadowRoot) return;
// 标准容器：#view-more > bili-text-button > button
const textBtn = replies.shadowRoot.querySelector('#view-more > bili-text-button');
const btn = textBtn?.shadowRoot?.querySelector('button');
if (btn && !btn.disabled && btn.offsetParent !== null && !clickedButtons.has(btn)) {
out.push(btn);
}
// 兜底：标题文案有时会变化
replies.shadowRoot.querySelectorAll('button').forEach(b => {
const t = (b.textContent || '').trim();
if (!clickedButtons.has(b) && /查看更多|查看全部|展开更多|更多回复|View More/i.test(t)) {
out.push(b);
}
});
});
} catch (_) { /* ignore */ }
return Array.from(new Set(out));
}
function clickWithJitter(btn) {
return new Promise(res => {
setTimeout(() => {
try {
btn.click();
clickedButtons.add(btn);
totalClicks++;
} catch (_) { /* ignore */ }
res();
}, rand(Config.jitter[0], Config.jitter[1]));
});
}
async function tick(app) {
if (!enabled) return;
const list = findViewMoreButtons(app);
if (list.length === 0) return;
const n = Math.min(list.length, Config.maxClicksPerTick);
for (let i = 0; i < n; i++) {
if (totalClicks >= Config.maxTotalClicks) { enabled = false; saveEnabled(enabled); paintBadge(); stopLoop(); break; }
await clickWithJitter(list[i]);
}
}
function startLoop(app) {
stopLoop();
if (!enabled) return; // 关键：尊重开关状态
timer = setInterval(() => tick(app), Config.scanInterval);
}
function stopLoop() {
if (timer) clearInterval(timer);
timer = null;
}
function paintBadge() {
let el = document.getElementById('bili-autoexpand-badge');
if (!el) {
el = document.createElement('div');
el.id = 'bili-autoexpand-badge';
Object.assign(el.style, {
position: 'fixed', right: '10px', bottom: '10px', zIndex: 2147483647,
background: '#00a1d6', color: '#fff', padding: '6px 10px',
borderRadius: '8px', fontSize: '12px', boxShadow: '0 2px 6px rgba(0,0,0,.2)',
userSelect: 'none', cursor: 'pointer'
});
el.addEventListener('click', toggle);
document.body.appendChild(el);
}
el.textContent = `评论自动展开：${enabled ? '开' : '关'}（Alt+E）`;
el.style.background = enabled ? '#00a1d6' : '#666';
}
function toggle() {
enabled = !enabled;
saveEnabled(enabled); // 关键：持久化到 localStorage
paintBadge();
if (currentApp) {
enabled ? startLoop(currentApp) : stopLoop();
}
}
function onKeydown(e) {
// 兼容性：忽略组合输入与重复触发
if (e.repeat) return;
const key = (e.key || '').toLowerCase();
if (e.altKey && key === 'e') toggle();
}
function observeUrlChange() {
// 监听 URL 变化：B 站常用 history.pushState
let last = location.href;
const scheduleBoot = () => {
clearTimeout(bootTimer);
bootTimer = setTimeout(boot, 150); // 防抖，避免频繁重启
};
const obs = new MutationObserver(() => {
if (location.href !== last) {
last = location.href;
scheduleBoot();
}
});
obs.observe(document, { subtree: true, childList: true });
}
function resetAppObserver() {
if (appObserver) {
try { appObserver.disconnect(); } catch (_) {}
appObserver = null;
}
}
async function boot() {
stopLoop();
totalClicks = 0;
clickedButtons = new WeakSet();
resetAppObserver();
try {
currentApp = await waitForCommentApp();
paintBadge();
// 仅在开启状态下启动扫描循环
if (enabled) startLoop(currentApp);
// 监听评论区内部异步加载
appObserver = new MutationObserver(() => {
if (enabled) startLoop(currentApp);
else stopLoop();
});
appObserver.observe(currentApp.shadowRoot, { childList: true, subtree: true });
document.removeEventListener('keydown', onKeydown);
document.addEventListener('keydown', onKeydown);
log('ready, enabled=', enabled);
} catch (e) {
log('comment app not found in time', e);
}
}
// 启动
boot();
observeUrlChange();
})();