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知识星球辅助，文章去水印、可手动复制，可以一键复制为 Markdown
// ==UserScript==
// @name 知识星球文章去水印、复制为 Markdown
// @namespace http://tampermonkey.net/
// @version 0.0.1
// @description 知识星球辅助，文章去水印、可手动复制，可以一键复制为 Markdown
// @author Loner1024
// @match https://articles.zsxq.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=zsxq.com
// @require https://cdnjs.cloudflare.com/ajax/libs/turndown/7.1.1/turndown.min.js
// @grant GM_setClipboard
// @grant GM_addStyle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
let body = document.getElementsByTagName('body')[0];
body.classList.remove("js-disable-copy");
let post = document.getElementsByClassName('post')[0];
post.style.removeProperty('background-image');
post.style.removeProperty('background-repeat');
post.style.removeProperty("background-size");
// 添加样式
GM_addStyle(`
#md-copy-btn {
position: fixed;
bottom: 20px;
right: 20px;
padding: 10px 15px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
z-index: 9999;
font-family: Arial, sans-serif;
font-size: 14px;
}
#md-copy-btn:hover {
background-color: #45a049;
}
#md-status {
position: fixed;
bottom: 70px;
right: 20px;
padding: 8px 12px;
background-color: rgba(0,0,0,0.7);
color: white;
border-radius: 5px;
font-family: Arial, sans-serif;
font-size: 14px;
z-index: 9999;
display: none;
}
`);
// 创建复制按钮
function createCopyButton() {
const button = document.createElement('button');
button.id = 'md-copy-btn';
button.textContent = '复制文章为Markdown';
button.addEventListener('click', extractAndCopyArticle);
const status = document.createElement('div');
status.id = 'md-status';
status.textContent = '';
document.body.appendChild(button);
document.body.appendChild(status);
}
// 显示状态消息
function showStatus(message, isError = false) {
const status = document.getElementById('md-status');
status.textContent = message;
status.style.backgroundColor = isError ? 'rgba(255,0,0,0.7)' : 'rgba(0,0,0,0.7)';
status.style.display = 'block';
setTimeout(() => {
status.style.display = 'none';
}, 3000);
}
// 在转换前预处理HTML，保留空白
// 在turndown处理前运行此函数
function preserveCodeIndentation() {
// 找到所有代码块容器
const codeContainers = document.querySelectorAll('.ql-code-block-container');
codeContainers.forEach(container => {
// 处理每个代码行
const codeBlocks = container.querySelectorAll('.ql-code-block');
codeBlocks.forEach(block => {
// 获取原始HTML
const originalHtml = block.innerHTML;
// 检查是否有前导空格
const leadingWhitespaceMatch = originalHtml.match(/^(\s| )+/);
if (leadingWhitespaceMatch) {
// 计算空格数量
const whitespace = leadingWhitespaceMatch[0]
.replace(/ /g, ' ')
.replace(/\s/g, ' ');
// 创建用于显示空格的元素
const spacesSpan = document.createElement('span');
spacesSpan.className = 'preserved-indent';
spacesSpan.setAttribute('data-spaces', whitespace.length);
spacesSpan.textContent = whitespace;
// 替换原始HTML中的空格
const contentWithoutIndent = originalHtml.substring(leadingWhitespaceMatch[0].length);
block.innerHTML = '';
block.appendChild(spacesSpan);
// 添加剩余内容
const contentSpan = document.createElement('span');
contentSpan.innerHTML = contentWithoutIndent;
block.appendChild(contentSpan);
}
});
});
}
// 提取文章内容并复制到剪贴板
function extractAndCopyArticle() {
const articles = document.getElementsByClassName('content');
if (articles.length === 0) {
showStatus('未找到内容', true);
return;
}
preserveCodeIndentation()
// 创建Turndown实例
const turndownService = new TurndownService({
headingStyle: 'atx',
codeBlockStyle: 'fenced',
emDelimiter: '*'
});
// 增强Turndown以更好地处理代码块
turndownService.addRule('codeBlocks', {
filter: function (node, options) {
return (
node.nodeName === 'DIV' &&
node.classList.contains('ql-code-block-container')
);
},
replacement: function(content, node) {
// 提取代码块内容
let codeLines = [];
const codeBlocks = node.querySelectorAll('.ql-code-block');
// 检测语言
let language = 'go'; // 假设是Go语言，可根据实际情况调整
// 处理每一行代码
codeBlocks.forEach(block => {
// 查找缩进元素
const indentSpan = block.querySelector('.preserved-indent');
let indentSpaces = 0;
// 如果找到缩进元素，获取缩进数量
if (indentSpan) {
indentSpaces = parseInt(indentSpan.getAttribute('data-spaces') || '0', 10);
// 移除缩进元素以便获取纯文本内容
indentSpan.remove();
}
// 获取纯文本内容
let textContent = block.textContent;
// 添加缩进和内容
codeLines.push(' '.repeat(indentSpaces) + textContent);
});
// 将所有行组合
const codeContent = codeLines.join('\n');
// 返回Markdown格式的代码块
return '```' + language + '\n' + codeContent + '\n```\n\n';
}
});
// 增强对图片的处理
turndownService.addRule('images', {
filter: 'img',
replacement: function(content, node) {
const alt = node.alt || '';
let src = node.getAttribute('src') || '';
// 处理相对URL
if (src && !src.match(/^(https?:)?\/\//)) {
if (src.startsWith('/')) {
// 域名根路径
const domain = window.location.origin;
src = domain + src;
} else {
// 相对当前路径
const base = window.location.href.split('/').slice(0, -1).join('/');
src = base + '/' + src;
}
}
return '';
}
});
let allMarkdown = '';
const title = document.getElementsByClassName('title')[0];
allMarkdown += '## ' + title.textContent + '\n\n'
for (let i = 0; i < articles.length; i++) {
// 创建一个新的文档片段作为工作区域
const tempContainer = document.createElement('div');
// 克隆节点以避免修改原始DOM
tempContainer.appendChild(articles[i].cloneNode(true));
// 移除其他可能不需要的元素
const elementsToRemove = tempContainer.querySelectorAll('.comments, .related-posts, .share-buttons, nav, .navigation, .ads, script, style');
elementsToRemove.forEach(el => el.remove());
// 获取第一个article元素（在tempContainer中）
const processedArticle = tempContainer.getElementsByClassName('content')[0];
if (processedArticle) {
// 转换为Markdown
const markdown = turndownService.turndown(processedArticle.innerHTML);
allMarkdown += markdown + '';
}
}
if (allMarkdown) {
// 复制到剪贴板
GM_setClipboard(allMarkdown);
showStatus('文章已转换为Markdown并复制');
} else {
showStatus('处理文章内容失败', true);
}
}
// 添加快捷键(Alt+M)
document.addEventListener('keydown', function(e) {
if (e.altKey && e.key === 'm') {
extractAndCopyArticle();
}
});
// 初始化
function init() {
createCopyButton();
}
// 等待页面完全加载
window.addEventListener('load', init);
})();