实现抖音弹幕鼠标悬停加一功能，体验类似于斗鱼加一功能
// ==UserScript==
// @name 抖音弹幕加一助手
// @namespace http://tampermonkey.net/
// @version 1.16
// @description 实现抖音弹幕鼠标悬停加一功能，体验类似于斗鱼加一功能
// @author A1LExX
// @match https://live.douyin.com/*
// @match https://www.douyin.com/root/live/*
// @match https://www.douyin.com/*
// @grant none
// @license GPL-3.0-only
// ==/UserScript==
// ==Changelog==
// v1.16 测试更新推送
// v1.9 修复按钮垂直居中、视觉对齐问题，优化体验
// v1.8 支持过滤系统弹幕，优化兼容性
// v1.7 初始版本，实现弹幕加一功能
// ==/Changelog==
(function () {
'use strict';
// --------- 配置 ---------
const DANMU_SELECTOR = 'xg-danmu div'; // 弹幕单条
const DANMU_CONTAINER_SELECTOR = 'xg-danmu';
const BUTTON_TEXT = '+1';
const BUTTON_ID = '__douyin_plusone_btn__';
const BUTTON_STYLE = `
position: fixed;
z-index: 99999;
display: none;
padding: 2px 8px;
font-size: 14px;
background: #ff2c55;
color: #fff;
border: none;
border-radius: 12px;
cursor: pointer;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
transition: opacity 0.2s;
opacity: 0.95;
pointer-events: auto;
`;
const FILTER_KEYWORDS = [
'送出'
];
function isFilteredDanmu(text) {
return FILTER_KEYWORDS.some(keyword => text.includes(keyword));
}
// --------- 工具函数 ---------
// 递归提取弹幕文本（含 emoji）
function extractDanmuText(node) {
if (!node) return '';
if (node.nodeType === Node.TEXT_NODE) return node.textContent;
if (node.nodeType === Node.ELEMENT_NODE) {
if (node.tagName === 'IMG' && node.alt) return node.alt;
return Array.from(node.childNodes).map(extractDanmuText).join('');
}
return '';
}
// 查找输入框和发送按钮
function findInputAndSendBtn() {
// 输入框是 Slate 编辑器，内容区有 contenteditable="true"
const input = document.querySelector('[contenteditable="true"]');
// 发送按钮通常有 data-e2e="chat-send-btn"
const sendBtn = document.querySelector('[data-e2e="chat-send-btn"]');
return { input, sendBtn };
}
// 填入输入框并自动发送
function fillAndSend(content) {
const input = document.querySelector('.zone-container.editor-kit-container[contenteditable="true"]');
if (input && content) {
// 只操作 ace-line 下的 span
const aceLine = input.querySelector('.ace-line');
if (aceLine) {
const span = aceLine.querySelector('span[data-string]');
if (span) {
span.textContent = content;
}
}
input.focus();
// 只触发一次 input 事件
input.dispatchEvent(new InputEvent('input', {bubbles: true, composed: true}));
// 200ms后点击发送按钮
setTimeout(waitAndSend, 200);
}
}
// 自动点击发送按钮
function waitAndSend() {
const btn = document.querySelector('.webcast-chatroom___send-btn');
if (!btn) return;
if (btn.classList.contains('disable') || btn.hasAttribute('disabled')) {
setTimeout(waitAndSend, 50);
} else {
let clickable = btn;
if (btn.tagName.toLowerCase() === 'svg' && btn.parentElement) {
clickable = btn.parentElement;
}
['pointerdown', 'mousedown', 'mouseup', 'click'].forEach(type => {
clickable.dispatchEvent(new MouseEvent(type, {bubbles: true, cancelable: true, view: window}));
});
// 再尝试模拟回车
const input = document.querySelector('.zone-container.editor-kit-container[contenteditable="true"]');
if (input) {
['keydown', 'keypress', 'keyup'].forEach(type => {
const event = new KeyboardEvent(type, {bubbles: true, cancelable: true, key: 'Enter', code: 'Enter', keyCode: 13, which: 13});
input.dispatchEvent(event);
});
}
}
}
// --------- "加一"按钮 ---------
let plusOneBtn = document.getElementById(BUTTON_ID);
if (!plusOneBtn) {
plusOneBtn = document.createElement('button');
plusOneBtn.id = BUTTON_ID;
plusOneBtn.innerText = BUTTON_TEXT;
plusOneBtn.setAttribute('style', BUTTON_STYLE);
document.body.appendChild(plusOneBtn);
}
let currentDanmu = null;
let danmuState = { transform: '', transition: '' };
let hideTimer = null;
let plusOneText = ''; // 全局变量
// 按钮点击
plusOneBtn.addEventListener('click', (e) => {
e.stopPropagation();
console.log('加一按钮被点击');
console.log('将要填充的内容:', plusOneText);
fillAndSend(plusOneText);
});
// 鼠标在按钮上时不消失
plusOneBtn.addEventListener('mouseenter', () => {
if (hideTimer) clearTimeout(hideTimer);
});
plusOneBtn.addEventListener('mouseleave', () => {
hideTimer = setTimeout(() => {
plusOneBtn.style.display = 'none';
if (currentDanmu) {
currentDanmu.style.transform = danmuState.transform;
currentDanmu.style.transition = danmuState.transition;
currentDanmu = null;
}
}, 200);
});
// 鼠标移动时检测是否在弹幕上
document.addEventListener('mousemove', (e) => {
const danmuDivs = Array.from(document.querySelectorAll(DANMU_SELECTOR));
let found = false;
for (const div of danmuDivs) {
const rect = div.getBoundingClientRect();
if (
e.clientX >= rect.left &&
e.clientX <= rect.right &&
e.clientY >= rect.top &&
e.clientY <= rect.bottom
) {
const text = extractDanmuText(div);
if (isFilteredDanmu(text)) {
plusOneBtn.style.display = 'none';
continue;
}
found = true;
if (currentDanmu !== div) {
// 恢复上一个弹幕动画
if (currentDanmu) {
currentDanmu.style.transform = danmuState.transform;
currentDanmu.style.transition = danmuState.transition;
}
currentDanmu = div;
// 记录当前弹幕动画状态
danmuState.transform = div.style.transform;
danmuState.transition = div.style.transition;
// 冻结当前弹幕
const computedTransform = getComputedStyle(div).transform;
div.style.transform = computedTransform;
div.style.transition = 'none';
// 定位按钮（更靠近弹幕右侧）
plusOneBtn.style.display = 'block';
// 先显示按钮以便获取宽度
plusOneBtn.style.left = '-9999px';
plusOneBtn.style.top = '-9999px';
setTimeout(() => {
const btnWidth = plusOneBtn.offsetWidth;
const btnHeight = plusOneBtn.offsetHeight;
plusOneBtn.style.left = (rect.right - btnWidth - 4) + 'px';
plusOneBtn.style.top = (rect.top + (rect.height - btnHeight) / 2 + 3) + 'px';
}, 0);
plusOneText = text; // 存储内容
}
break;
}
}
if (!found && !plusOneBtn.matches(':hover')) {
plusOneBtn.style.display = 'none';
if (currentDanmu) {
currentDanmu.style.transform = danmuState.transform;
currentDanmu.style.transition = danmuState.transition;
currentDanmu = null;
}
}
});
// 兼容性处理
window.addEventListener('scroll', () => {
plusOneBtn.style.display = 'none';
if (currentDanmu) {
currentDanmu.style.transform = danmuState.transform;
currentDanmu.style.transition = danmuState.transition;
currentDanmu = null;
}
});
window.addEventListener('resize', () => {
plusOneBtn.style.display = 'none';
if (currentDanmu) {
currentDanmu.style.transform = danmuState.transform;
currentDanmu.style.transition = danmuState.transition;
currentDanmu = null;
}
});
// --------- 过滤系统弹幕（可选） ---------
// 若需过滤系统弹幕，可在 extractDanmuText 后加判断
// 例如：if (text.includes('欢迎')) return; // 过滤欢迎类弹幕
function showPlusBtnForDanmu(danmuDiv) {
const rect = danmuDiv.getBoundingClientRect();
const danmuText = extractDanmuText(danmuDiv);
if (isFilteredDanmu(danmuText)) {
hidePlusBtn();
return;
}
if (!plusOneBtn) {
plusOneBtn = document.createElement('button');
plusOneBtn.innerText = '加一';
plusOneBtn.style.position = 'fixed';
plusOneBtn.style.zIndex = '99999';
plusOneBtn.style.background = '#ff2c55';
plusOneBtn.style.color = '#fff';
plusOneBtn.style.border = 'none';
plusOneBtn.style.borderRadius = '16px';
plusOneBtn.style.padding = '4px 16px';
plusOneBtn.style.cursor = 'pointer';
plusOneBtn.style.fontSize = '15px';
plusOneBtn.style.fontWeight = 'bold';
plusOneBtn.style.opacity = '0.96';
plusOneBtn.style.boxShadow = '0 2px 8px rgba(0,0,0,0.18)';
plusOneBtn.style.transition = 'background 0.2s, box-shadow 0.2s, opacity 0.2s';
plusOneBtn.style.pointerEvents = 'auto';
plusOneBtn.addEventListener('mouseenter', () => {
plusOneBtn.style.background = '#d81b4c';
plusOneBtn.style.boxShadow = '0 4px 16px rgba(0,0,0,0.22)';
plusOneBtn.style.opacity = '1';
});
plusOneBtn.addEventListener('mouseleave', () => {
plusOneBtn.style.background = '#ff2c55';
plusOneBtn.style.boxShadow = '0 2px 8px rgba(0,0,0,0.18)';
plusOneBtn.style.opacity = '0.96';
});
plusOneBtn.addEventListener('mousedown', e => { e.stopPropagation(); e.preventDefault(); });
plusOneBtn.addEventListener('mouseup', e => { e.stopPropagation(); e.preventDefault(); });
plusOneBtn.addEventListener('click', e => {
e.stopPropagation();
e.preventDefault();
const content = extractDanmuText(danmuDiv);
fillAndSend(content);
plusOneBtn.style.display = 'none';
});
document.body.appendChild(plusOneBtn);
}
// 先显示按钮以便获取高度
plusOneBtn.style.display = 'block';
plusOneBtn.style.left = '-9999px';
plusOneBtn.style.top = '-9999px';
setTimeout(() => {
const btnWidth = plusOneBtn.offsetWidth;
const btnHeight = plusOneBtn.offsetHeight;
plusOneBtn.style.left = (rect.right - btnWidth - 4) + 'px';
plusOneBtn.style.top = (rect.top + (rect.height - btnHeight) / 2 + 3) + 'px';
}, 0);
// 悬停弹幕样式：圆角+淡黑色边框
danmuDiv.style.boxShadow = '0 0 0 4px rgba(0,0,0,0.18)';
danmuDiv.style.borderRadius = '16px';
// 暂停弹幕动画
if (pausedDanmu && pausedDanmu !== danmuDiv) {
// 恢复上一个弹幕
pausedDanmu.style.transition = pausedTransition;
pausedDanmu.style.transform = pausedTransform;
pausedDanmu.style.boxShadow = '';
pausedDanmu.style.borderRadius = '';
pausedDanmu = null;
}
if (danmuDiv) {
pausedDanmu = danmuDiv;
pausedTransition = danmuDiv.style.transition;
pausedTransform = danmuDiv.style.transform;
// 立即暂停动画
danmuDiv.style.transition = 'none';
// 保持当前位置
// 不需要修改 transform，直接保留当前 transform 即可
}
}
function hidePlusBtn() {
if (plusOneBtn) {
plusOneBtn.style.display = 'none';
}
// 恢复弹幕动画和样式
if (pausedDanmu) {
pausedDanmu.style.transition = pausedTransition;
pausedDanmu.style.transform = pausedTransform;
pausedDanmu.style.boxShadow = '';
pausedDanmu.style.borderRadius = '';
pausedDanmu = null;
}
currentDanmu = null;
}
})();
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