douyu优化斗鱼web播放器(douyu.com)，通过关闭直播间全屏时的背景虚化效果来解决闪屏卡顿的问题，屏蔽独立直播间的弹幕显示，移除文字水印，添加了一些快捷键。暴力隐藏页面元素，获得纯净观看体验
// ==UserScript==
// @name 优化斗鱼web播放器
// @namespace https://www.liebev.site/monkey/better-douyu
// @version 2.3.1
// @description douyu优化斗鱼web播放器(douyu.com)，通过关闭直播间全屏时的背景虚化效果来解决闪屏卡顿的问题，屏蔽独立直播间的弹幕显示，移除文字水印，添加了一些快捷键。暴力隐藏页面元素，获得纯净观看体验
// @author LiebeV
// @license MIT: Copyright (c) 2023-2025 LiebeV
// @match https://www.douyu.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=douyu.com
// @grant GM_registerMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
"use strict";
//更新日志，v2.3.1，提高了弹幕屏蔽css优先级
//**NOTE**:之于页面上其他不想要看到的东西，请搭配其他例如AdBlock之类的专业广告屏蔽器使用，本脚本仅提供暴力隐藏的功能
//**NOTE**:暴力隐藏无法撤销，请刷新网页以恢复
//已知问题，暴力重写导致的各种问题
//更新计划，无
// ********************一些有的没的的变量*************************
const roomIds = GM_getValue("roomIds", []);
const userRoomIds = roomIds;
const listenerMap = new Map([
["l", () => Danmu_control.rewrite_danmu_css()],
["u", () => Player_control.switch_full_mode()],
["w", () => Player_control.switch_wide_mode()],
["k", () => Force_hide.force_clean_hide()],
["m", () => Better_multi.better_multi_mode()],
]);
const target_xpath = "/html/body/section/main/div[4]/div[1]/div[4]";
const TBN = "疑似金色悬停骑士团开播提醒：div.broadcastDiv-af5699/疑似周活跃榜提醒：div.DanmuEffectDom-container#douyu_room_normal_player_danmuDom></div>";
// <div class="ani-broadcast ConfigBroadcast" style="top: 0%; animation: 10000ms linear 0ms 1 normal forwards running dy-ani3;"><img class="ConfigBroadcast-constructor ConfigBroadcast-header" src="https://sta-op.douyucdn.cn/dygev/2024/02/26/1722bef6da6ee637efff9f6878eb25b6.png">
// <div class="ConfigBroadcast-midCont ConfigBroadcast-constructor ConfigBroadcast-middle" style="color:#FFFFFF;background:url(https://sta-op.douyucdn.cn/dygev/2024/02/26/392595fc4b8f81f3dec13b313a4b6df2.png) left center;background-repeat:repeat-x;background-size:auto 100%;"><span style="color:#e1f7fe;">本房勇士团完成勇士团补给任务，获得</span><span style="color:#ffbe78;">1.2万流量卡（1天）X1</span><span style="color:#e1f7fe;">，额外</span><span style="color:#ffbe78;">4500</span><span style="color:#e1f7fe;">点战力点</span></div>
// <img class="ConfigBroadcast-constructor ConfigBroadcast-footer" src="https://sta-op.douyucdn.cn/dygev/2024/02/26/2e30de374b9689d7834be8b1c2336841.png"></div>
// <div class="broadcastDiv-af5699" style="visibility: visible;"><div></div><div><div style="white-space: nowrap; cursor: pointer; pointer-events: auto; top: 104px; position: absolute; left: 3822px; transition: transform 7.5s linear 0s; transform: translateX(-4574px);"><img src="https://sta-op.douyucdn.cn/dygev/2023/05/06/6ea4e1741606a07b64c1c7f7c1190f51.png" style="position: absolute; width: 524px; height: 47px; left: 153px; top: 58px; pointer-events: auto;"><img src="https://sta-op.douyucdn.cn/dygev/2023/05/06/eaf16e082d3368d8f376d92294aaf281.png" style="position: absolute; pointer-events: auto;"><img src="https://sta-op.douyucdn.cn/dygev/2023/05/06/e9a35c04e66f934d2072a4e795628750.png" style="position: absolute; left: 677px; top: 40px; pointer-events: auto;"><span style="white-space: nowrap; font: 17px "Arial Black"; width: 494px; position: absolute; top: 69.5px; left: 183px; pointer-events: none;"><font color="#ffffff">最强勇士团礼物冠名主播</font><font color="#ffd967">过载十五岁的涛妹</font><font color="#ffffff">开播了！点击围观吧！</font></span><img src="https://apic.douyucdn.cn/upload/avatar_v3/202310/f19c12c917634989a4f61574230423d8_middle.jpg?rltime" style="position: absolute; top: 55px; left: 59px; width: 50px; height: 50px; border-radius: 25px; pointer-events: auto;"></div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>
// **************************************************************
// 弹幕相关操作
class DanmuControl {
constructor() {
this.liebev = document.querySelector("#LiebeV");
}
// 创建新的去背景虚化css（似乎现在只在某些分区保留了这个效果）
with_danmu_css = () => {
// 没有隐藏弹幕相关
return `
._1Osm4fzGmcuRK9M8IVy3u6,
.watermark-442a18,
.is-ybHotDebate,
.view-67255d.zoomIn-0f4645 {
visibility: hidden !important;
}
.Barrage-main,
.Barrage-topFloater,
.comment-37342a {
display: unset !important;
}
`;
};
without_danmu_css = () => {
// 隐藏了弹幕相关
return `
._1Osm4fzGmcuRK9M8IVy3u6,
.watermark-442a18,
.is-ybHotDebate,
.view-67255d.zoomIn-0f4645 {
visibility: hidden !important;
}
.Barrage-main,
.Barrage-topFloater,
.comment-37342a {
display: none !important;
}
`;
};
/**
* 将传入的 CSS 字符串解析后，直接以行内样式的方式应用到匹配到的元素上
* @param {string} cssText - 完整的 CSS 文本，例如：".foo{color:red !important} .bar{display:none !important}"
*/
applyInlineCss = (cssText) => {
// 简易切分：先按 } 分割成多个规则片段
let ruleSegments = cssText.split("}");
ruleSegments.forEach(segment => {
// 去掉首尾多余空白
segment = segment.trim();
if (!segment) return;
// 再按 { 分割，前半部分是选择器(可能逗号分隔多组)，后半部分是具体样式
let [selectorPart, stylePart] = segment.split("{");
if (!selectorPart || !stylePart) return;
// 处理选择器，可能是多选择器逗号分隔
let selectors = selectorPart.split(",");
// 处理style声明，可能有多条用 ; 分隔
let styleStr = stylePart.trim().replace(/;$/, "");
let styleArr = styleStr.split(";");
// 存储解析后的 [属性, 值, 是否important]
let styleList = [];
styleArr.forEach(s => {
s = s.trim();
if (!s) return;
// 以冒号切分
let [prop, val] = s.split(":");
if (!prop || !val) return;
prop = prop.trim();
val = val.trim();
// 如果带了 !important 标记，就分离出来
let important = false;
if (val.includes("!important")) {
important = true;
// 去除 !important
val = val.replace(/!important\s*/i, "").trim();
}
styleList.push({ prop, val, important });
});
// 将解析好的样式列表应用到匹配的每个元素的行内样式上
selectors.forEach(sel => {
sel = sel.trim();
if (!sel) return;
// querySelectorAll 找到该选择器对应的所有元素
let elements = document.querySelectorAll(sel);
elements.forEach(el => {
styleList.forEach(styleObj => {
// 这里利用 style.setProperty(prop, val, priority) 来支持 !important
el.style.setProperty(styleObj.prop, styleObj.val, styleObj.important ? "important" : "");
});
});
});
});
};
// 插入新的css（现改为调用 applyInlineCss，以提升优先级到行内样式）
update_css = (tobe_css) => {
// 可以保留或移除原有 <style> 的逻辑，这里演示保留它供参考/调试
// --------------------------------------------------------------------
if (this.liebev) {
// 如果页面上有其他先置css，则更新内容
// 仅仅更新文本以保留 debug，实际不起主导覆盖作用
this.liebev.textContent = tobe_css;
console.debug("来自**优化斗鱼web播放器**: liebev样式表已更新 - 但主要覆盖由行内样式完成");
} else {
// 否则创建新的style标签
const stlye_element = document.createElement("style");
stlye_element.id = "LiebeV";
stlye_element.type = "text/css";
stlye_element.appendChild(document.createTextNode(tobe_css));
document.head.appendChild(stlye_element);
console.debug("来自**优化斗鱼web播放器**: 新deBlur_css已插入 - 但主要覆盖由行内样式完成");
this.liebev = document.querySelector("#LiebeV");
}
// --------------------------------------------------------------------
// 新增的行内样式覆盖调用
this.applyInlineCss(tobe_css);
};
rewrite_danmu_css = () => {
if (this.liebev) {
// 若已是显示弹幕，则切换到隐藏弹幕；反之亦然
if (this.liebev.textContent == this.with_danmu_css()) {
this.update_css(this.without_danmu_css());
console.debug("来自**优化斗鱼web播放器**: liebev样式表已更新为*隐藏弹幕*(行内样式优先)");
} else {
this.update_css(this.with_danmu_css());
console.debug("来自**优化斗鱼web播放器**: liebev样式表已更新为*显示弹幕*(行内样式优先)");
}
} else {
console.debug("来自**优化斗鱼web播放器**: Error Code [danmu-0]---liebev样式表不存在, 请尝试*刷新网页*或*重装脚本*");
}
};
}
// 播放器相关操作
class PlayerControl {
// 发送浏览器全屏/退出全屏事件,无需等待控件加载完成
switch_full_mode = () => {
if (!document.fullscreenElement) {
document.querySelector("#js-player-video-case").requestFullscreen();
} else {
document.exitFullscreen();
}
};
// 模拟双击".video-container-dbc7dc", 因为网页原本就提供了双击播放器来切换的功能，故不做修改
switch_wide_mode = () => {
let evt = new MouseEvent("dblclick", {
bubbles: true,
cancelable: true,
});
document.querySelector(".video-container-dbc7dc").dispatchEvent(evt);
};
// 点击原播放器控件来调整清晰度
// 最多只见过5个选项。原画/8M/4M/超清/高清
switch_res = (numberkey) => {
const resinput = document.querySelector(".tipItem-898596 input[value='画质 ']");
const resul = resinput.nextSibling;
let reslist = [];
resul.childNodes.forEach((li) => {
reslist.push(li);
});
// console.debug(reslist);
const choice = numberkey - 1;
reslist[choice].click();
};
// 找到了可以用于切换线路可点击的标签
// 最多只见过4个选项
switch_line = (numberkey) => {
const lineinput = document.querySelectorAll("ul.menu-da2a9e li");
const alllines = Array.from(lineinput).filter((li) => li.textContent.includes("线路"));
let linelist = [];
alllines.forEach((li) => {
linelist.push(li);
});
const choice = numberkey - 6;
linelist[choice].click();
};
}
class ForceHide {
constructor() {
// 播放器的核心xpath（包着video的div）
this.target_xpath = "/html/body/section/main/div[4]/div[1]/div[4]";
// 上面这个元素的className，用于核查页面变动后导致xpath改变
this.className_checker = "layout-Player-video";
}
// 判断一个元素是否是另一个元素的后代
is_descendant = (parent, child) => {
let node = child.parentNode;
while (node != null) {
if (node == parent) {
return true;
}
node = node.parentNode;
}
return false;
};
// 获取目标元素的祖先
get_protected = () => {
const xpath_parts = this.target_xpath.split("/");
let xpaths = [];
for (let i = 1; i < xpath_parts.length; i++) {
xpaths.push("/" + xpath_parts.slice(1, i + 1).join("/"));
}
let protected_elements = [];
xpaths.forEach((xpath) => {
var element = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
protected_elements.push(element);
});
return protected_elements;
};
// 获取目标元素
get_target = () => {
const target_element = document.evaluate(this.target_xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
let checker;
try {
checker = target_element.className;
} catch (TypeError) {
console.debug("来自**优化斗鱼web播放器**: Error Code [hide-0]---页面上没有找到播放器");
return;
}
if (checker === this.className_checker) {
return target_element;
} else {
console.debug("来自**优化斗鱼web播放器**: Error Code [hide-1]---Xpath描述的元素与预期不符");
}
};
// 强制隐藏保护元素及其祖先之外的所有内容
force_clean_hide = () => {
const protected_elements = this.get_protected();
const target_element = this.get_target();
document.querySelectorAll("body *").forEach((node) => {
let is_protected = protected_elements.includes(node) || this.is_descendant(target_element, node);
if (!is_protected) {
node.style.display = "none";
}
});
};
}
class BetterMulti {
mainVideo = () => {
return document.querySelector("#js-player-video-case").querySelector("video");
};
secondVideo = () => {
return document.querySelector(".web-double-player");
};
videos = () => {
return [this.mainVideo(), this.secondVideo()];
};
container = () => {
return document.querySelector(".liebev-multi");
};
controllBar = () => {
return document.querySelector(".controlbar-f41e38")
};
// 监听滚轮，调整height/width
adjust_size = (target) => {
let isIn = false;
target.addEventListener("mouseover", (event) => {
isIn = true;
});
target.addEventListener("mouseout", (event) => {
isIn = false;
});
target.addEventListener("wheel", (event) => {
if (event.deltaY && isIn) {
// 方向调整，上为增大
const adjustment = event.deltaY / -10;
const currentWidth = target.offsetWidth;
const currentHeight = target.offsetHeight;
target.style.width = `${currentWidth + adjustment}px`;
target.style.height = `${currentHeight + adjustment}px`;
// 防止滚动页面
// 因为行为进入全屏，所以注释掉了
event.preventDefault();
}
});
};
adjust_position = (target) => {
let isDragging = false;
let startX = 0;
let startY = 0;
const moveAt = (pageX, pageY) => {
const deltaX = pageX - startX;
const deltaY = pageY - startY;
const rect = target.getBoundingClientRect();
target.style.left = rect.left + deltaX + "px";
target.style.top = rect.top + deltaY + "px";
startX = pageX;
startY = pageY;
};
const onMouseMove = (event) => {
if (isDragging) {
moveAt(event.pageX, event.pageY);
}
};
target.addEventListener("mousedown", (event) => {
isDragging = true;
target.style.cursor = "move";
startX = event.pageX;
startY = event.pageY;
document.addEventListener("mousemove", onMouseMove);
});
document.addEventListener("mouseup", () => {
isDragging = false;
target.style.cursor = "default";
document.removeEventListener("mousemove", onMouseMove);
});
};
add_listeners = (target) => {
this.adjust_size(target);
this.adjust_position(target);
};
// 创建一个新的div并移动所有video元素
// 这里要带着播放器控件
create_videos_container = () => {
const container = document.createElement("div");
container.classList.add("liebev-multi");
const mainplayer = document.createElement("div");
mainplayer.classList.add("liebev-multi-main");
mainplayer.appendChild(this.mainVideo());
mainplayer.appendChild(this.controllBar());
container.appendChild(mainplayer);
container.appendChild(this.secondVideo());
document.body.appendChild(container);
};
// 入口
// 将新的盒子全屏，并且洗掉原有的css，防止布局问题
better_multi_mode = () => {
if (!this.container()) {
this.create_videos_container();
}
const new_container = document.querySelector(".liebev-multi");
new_container.requestFullscreen();
this.videos().forEach((video) => {
video.classList.remove("_3kBBGV3-d-EIxmN6JRZPar");
video.style.setProperty("position", "absolute", "important");
video.style.setProperty("left", "0", "important");
video.style.setProperty("top", "0", "important");
video.style.setProperty("width", "960px", "important");
video.style.setProperty("height", "540px", "important");
this.add_listeners(video);
});
};
}
function listener() {
for (const [key, func] of listenerMap) {
document.addEventListener("keydown", (event) => {
if ((event.getModifierState("Alt") || event.getModifierState("AltGraph")) && event.key.toLowerCase() === key) {
func();
}
});
}
document.addEventListener("keydown", (event) => {
if ((event.getModifierState("Alt") || event.getModifierState("AltGraph")) && event.key >= "1" && event.key <= "5") {
// console.debug("RES快捷键触发");
Player_control.switch_res(parseInt(event.key));
}
});
document.addEventListener("keydown", (event) => {
if ((event.getModifierState("Alt") || event.getModifierState("AltGraph")) && event.key >= "6" && event.key <= "9") {
// console.debug("LINE快捷键触发");
Player_control.switch_line(parseInt(event.key));
}
});
console.debug("来自**优化斗鱼web播放器**: 监听已启动");
}
// *******************Tempermonkey插件菜单********************
function show_settings() {
let message = "当前设置的房间号列表：\n";
const id_list = GM_getValue("roomIds", []);
for (let i = 0; i < id_list.length; i++) {
message += `${i + 1}. ${id_list[i]}\n`;
}
const Input = prompt(`${message}\n请输入要移除或恢复弹幕的房间号房间号:`);
if (Input) {
update_roomIds(Input);
}
}
function update_roomIds(Input) {
// 接收一个房间号输入，判断是否存在在GM中
const index = roomIds.indexOf(Input);
if (index === -1) {
// 不存在则添加，并执行隐藏弹幕
roomIds.push(Input);
console.debug(`来自**优化斗鱼web播放器**: 已添加房间号 ${Input}`);
Danmu_control.update_css(Danmu_control.without_danmu_css());
} else {
// 存在则删除，并执行恢复
roomIds.splice(index, 1);
console.debug(`来自**优化斗鱼web播放器**: 已移除房间号 ${Input}`);
Danmu_control.update_css(Danmu_control.with_danmu_css());
}
GM_setValue("roomIds", roomIds);
}
GM_registerMenuCommand("房间号设置", show_settings);
// *************************************************************
// 全局实例化类
const Danmu_control = new DanmuControl();
const Player_control = new PlayerControl();
const Force_hide = new ForceHide();
const Better_multi = new BetterMulti();
(function () {
console.debug("来自**优化斗鱼web播放器**: 已启动");
const url = window.location.href;
console.debug("来自**优化斗鱼web播放器**: 类实例化成功");
if (userRoomIds.some((roomId) => url.includes(roomId))) {
Danmu_control.update_css(Danmu_control.without_danmu_css());
} else {
Danmu_control.update_css(Danmu_control.with_danmu_css());
}
listener();
})();
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