劫持Bilibili分享按钮，直接提取分享文本，让分享更加清爽
// ==UserScript==
// @name Bilibili分享优化
// @description 劫持Bilibili分享按钮，直接提取分享文本，让分享更加清爽
// @version 0.6
// @author DoubleCat
// @copyright 2025, DoubleCat (https://github.com/doublebobcat)
// @match https://www.bilibili.com/video/*
// @license GPL_V3
// @grant GM_registerMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @icon https://raw.githubusercontent.com/doublebobcat/Bilibili-Share-Optimization/master/images/logo-small.png
// @icon64 https://raw.githubusercontent.com/doublebobcat/Bilibili-Share-Optimization/master/images/logo.png
// @namespace https://greasyfork.org/users/1505795
// ==/UserScript==
(function () {
'use strict';
const defaultStyles = {
position: 'fixed',
bottom: '30px',
right: '30px',
backgroundColor: 'rgba(255, 255, 255, 1)',
color: '#000',
padding: '12px 18px',
borderRadius: '6px',
zIndex: 9999,
fontSize: '16px',
transition: 'opacity 0.5s ease',
opacity: '1'
};
const maxChars = 70;
const maxLines = 4;
let styles = defaultStyles;
// 从存储加载配置
function loadConfig() {
try {
const config = GM_getValue('messageStyles');
return config ? JSON.parse(config) : defaultStyles;
} catch (err) {
return defaultStyles;
}
}
// 保存配置
function saveConfig(config) {
GM_setValue('messageStyles', JSON.stringify(config));
}
function extractWithXPath(xpathExpression) {
const result = document.evaluate(xpathExpression, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
return result.singleNodeValue ? result.singleNodeValue.textContent : '未找到';
}
async function copyToClipboard(text) {
if (navigator.clipboard && navigator.clipboard.writeText) {
try {
await navigator.clipboard.writeText(text);
return true;
} catch (err) {
console.warn('[Bilibili-Share-Optimization] Clipboard API 失败，回退到 execCommand');
}
}
// fallback
const tempInput = document.createElement('textarea');
tempInput.style.position = 'absolute';
tempInput.style.left = '-9999px';
tempInput.value = text;
document.body.appendChild(tempInput);
tempInput.select();
document.execCommand('copy');
document.body.removeChild(tempInput);
return true;
}
function copyInfo() {
const pageURL = window.location.href;
const title = extractWithXPath('/html/body/div[2]/div[2]/div[1]/div[1]/div[1]/div/h1').trim();
let nickname = extractWithXPath('/html/body/div[2]/div[2]/div[2]/div/div[1]/div[1]/div[2]/div[1]/div/div[1]/a[1]').trim();
if (nickname === '直播中') {
nickname = extractWithXPath('/html/body/div[2]/div[2]/div[2]/div/div[1]/div[1]/div[2]/div[1]/div/div[1]/a[2]').trim();
}
let description = extractWithXPath('/html/body/div[2]/div[2]/div[1]/div[4]/div/span').trim();
let lines = description.split(/\r?\n/);
if (description.length > maxChars || lines.length > maxLines) {
// 先按字符限制截断
let truncated = description.substring(0, maxChars);
// 确保不会超过4行
let truncatedLines = truncated.split(/\r?\n/).slice(0, maxLines);
description = truncatedLines.join("\n") + "......";
}
const combinedInfo = `URL: ${pageURL}\nUP主: ${nickname}\n标题: ${title}\n简介: ${description}`;
copyToClipboard(combinedInfo);
const copiedMessage = document.createElement('div');
copiedMessage.textContent = '已复制';
for (const [property, value] of Object.entries(styles)) {
copiedMessage.style[property] = value;
}
document.body.appendChild(copiedMessage);
setTimeout(() => {
if (copiedMessage.parentNode) {
copiedMessage.parentNode.removeChild(copiedMessage);
}
}, 3000);
}
// 页面加载完毕->劫持分享按钮
const observer = new MutationObserver(() => {
const shareBtn = document.querySelector('#share-btn-outer');
if (shareBtn) {
try {
styles = loadConfig();
} catch (err) {
styles = defaultStyles;
}
// 移除原有点击事件
shareBtn.replaceWith(shareBtn.cloneNode(true));
const newShareBtn = document.querySelector('#share-btn-outer');
// 添加自有点击事件
newShareBtn.addEventListener('click', function (e) {
e.stopPropagation();
e.preventDefault();
copyInfo();
});
console.log('[Bilibili-Share-Optimization] 已劫持B站分享按钮');
observer.disconnect();
}
});
observer.observe(document.body, { childList: true, subtree: true });
// 添加菜单项：打开设置界面
GM_registerMenuCommand("设置分享窗口样式", openSettingsWindow);
function openSettingsWindow() {
const settingsWindow = document.createElement('div');
settingsWindow.style.position = 'fixed';
settingsWindow.style.top = '10%';
settingsWindow.style.left = '50%';
settingsWindow.style.transform = 'translateX(-50%)';
settingsWindow.style.backgroundColor = '#000000ff';
settingsWindow.style.color = '#fff';
settingsWindow.style.padding = '20px';
settingsWindow.style.borderRadius = '10px';
settingsWindow.style.border = '0'
settingsWindow.style.zIndex = 9999;
settingsWindow.style.width = '300px';
settingsWindow.innerHTML = `
<h3>设置分享窗口样式</h3>
<label for="backgroundColor">背景颜色:</label>
<input type="color" id="backgroundColor" value="${styles.backgroundColor}"><br><br>
<label for="color">字体颜色:</label>
<input type="color" id="color" value="${styles.color}"><br><br>
<label for="fontSize">字体大小:</label>
<input type="number" id="fontSize" value="${parseInt(styles.fontSize)}" min="10" max="30"><br><br>
<button id="saveButton">保存设置</button>
<button id="cancelButton">取消</button>
`;
document.body.appendChild(settingsWindow);
document.getElementById('saveButton').addEventListener('click', () => {
styles.backgroundColor = document.getElementById('backgroundColor').value;
styles.color = document.getElementById('color').value;
styles.fontSize = document.getElementById('fontSize').value + 'px';
saveConfig(styles);
document.body.removeChild(settingsWindow);
});
document.getElementById('cancelButton').addEventListener('click', () => {
document.body.removeChild(settingsWindow);
});
}
})();