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集合多种实用网页工具的增强插件，包括广告屏蔽、阅读模式、网页截图、链接提取等功能
// ==UserScript==
// @name 网页工具箱 - 多功能网页增强工具
// @namespace http://tampermonkey.net/
// @version 1.1
// @description 集合多种实用网页工具的增强插件，包括广告屏蔽、阅读模式、网页截图、链接提取等功能
// @author shenfangda
// @match *://*/*
// @grant GM_addStyle
// @grant GM_setClipboard
// @grant GM_download
// @grant GM_xmlhttpRequest
// @grant GM_info
// @connect *
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 配置
const config = {
// 工具列表
tools: [
{ id: 'adblock', name: '广告屏蔽', icon: '🚫' },
{ id: 'reader', name: '阅读模式', icon: '📖' },
{ id: 'screenshot', name: '网页截图', icon: '📸' },
{ id: 'links', name: '链接提取', icon: '🔗' },
{ id: 'images', name: '图片提取', icon: '🖼️' },
{ id: 'colorpicker', name: '颜色选择器', icon: '🎨' },
{ id: 'text', name: '文本提取', icon: '📝' },
{ id: 'password', name: '密码生成', icon: '🔑' },
{ id: 'qrcode', name: '二维码生成', icon: '🔲' },
{ id: 'translate', name: '快速翻译', icon: '🌐' }
],
// 默认设置
defaultSettings: {
adblockSelectors: [
// 基础广告选择器
'.ad', '.ads', '.advertisement', '[class*="ad-"]', '[id*="ad-"]',
'.google-ads', '.banner-ad', '.sidebar-ad', '.popup-ad',
// 常见广告网络
'[data-ad-client]', '[data-ad-slot]', '[data-google-query-id]',
'.adsbygoogle', '.google-auto-placed', '.google-ad-block',
// 社交媒体广告
'.fb-ad', '.facebook-ad', '.twitter-ad', '.instagram-ad',
// 视频广告
'.video-ad', '.pre-roll-ad', '.post-roll-ad', '.mid-roll-ad',
// 弹窗和浮动广告
'.modal-ad', '.overlay-ad', '.floating-ad', '.sticky-ad',
// 内容推荐广告
'.recommended-content', '.related-posts', '[class*="recommend"]',
'.outbrain', '.taboola', '[data-widget-id]',
// 其他常见广告标识
'[data-ad]', '[data-advertisement]', '.sponsored', '.promotion',
'.affiliate', '.partner-content', '.native-ad', '.advertorial'
],
readerMode: {
maxWidth: 800,
lineHeight: 1.6,
fontSize: 16,
fontFamily: 'Arial, sans-serif'
}
}
};
// 主要功能类
class WebToolkit {
constructor() {
this.settings = {...config.defaultSettings};
this.init();
}
init() {
console.log('网页工具箱已启动');
this.createUI();
this.bindEvents();
}
// 创建用户界面
createUI() {
GM_addStyle(`
#web-toolkit-panel {
position: fixed;
top: 20px;
right: 20px;
width: 300px;
max-height: 80vh;
background: #fff;
border: 1px solid #ccc;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
z-index: 10000;
font-family: Arial, sans-serif;
font-size: 14px;
overflow: hidden;
display: none;
}
#web-toolkit-panel-header {
background: #2c3e50;
color: white;
padding: 12px 15px;
cursor: move;
display: flex;
justify-content: space-between;
align-items: center;
}
#web-toolkit-panel-title {
font-weight: bold;
font-size: 16px;
}
#web-toolkit-panel-close {
background: none;
border: none;
color: white;
font-size: 20px;
cursor: pointer;
width: 24px;
height: 24px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 50%;
}
#web-toolkit-panel-close:hover {
background: rgba(255,255,255,0.2);
}
#web-toolkit-panel-content {
padding: 15px;
overflow-y: auto;
max-height: calc(80vh - 50px);
}
.web-toolkit-section {
margin-bottom: 20px;
}
.web-toolkit-section-title {
font-weight: bold;
margin-bottom: 12px;
color: #2c3e50;
border-bottom: 1px solid #eee;
padding-bottom: 6px;
display: flex;
align-items: center;
}
.web-toolkit-section-title i {
margin-right: 8px;
font-size: 16px;
}
.web-toolkit-tools-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 10px;
}
.web-toolkit-tool-item {
padding: 12px;
background: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 6px;
cursor: pointer;
transition: all 0.2s;
display: flex;
flex-direction: column;
align-items: center;
text-align: center;
}
.web-toolkit-tool-item:hover {
background: #e9ecef;
transform: translateY(-2px);
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.web-toolkit-tool-icon {
font-size: 24px;
margin-bottom: 8px;
}
.web-toolkit-tool-name {
font-size: 13px;
color: #495057;
}
.web-toolkit-btn {
padding: 10px 15px;
background: #3498db;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
width: 100%;
margin-top: 5px;
transition: background 0.2s;
}
.web-toolkit-btn:hover {
background: #2980b9;
}
.web-toolkit-btn.secondary {
background: #95a5a6;
}
.web-toolkit-btn.secondary:hover {
background: #7f8c8d;
}
.web-toolkit-btn.success {
background: #27ae60;
}
.web-toolkit-btn.success:hover {
background: #229954;
}
.web-toolkit-btn.danger {
background: #e74c3c;
}
.web-toolkit-btn.danger:hover {
background: #c0392b;
}
.web-toolkit-input-group {
margin-bottom: 15px;
}
.web-toolkit-input-group label {
display: block;
margin-bottom: 5px;
font-weight: 500;
color: #495057;
}
.web-toolkit-input {
width: 100%;
padding: 8px 12px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 14px;
box-sizing: border-box;
}
.web-toolkit-textarea {
width: 100%;
padding: 8px 12px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 14px;
box-sizing: border-box;
min-height: 100px;
resize: vertical;
}
.web-toolkit-result {
background: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 4px;
padding: 12px;
margin-top: 10px;
max-height: 200px;
overflow-y: auto;
}
.web-toolkit-notification {
position: fixed;
top: 20px;
right: 20px;
background: #27ae60;
color: white;
padding: 12px 20px;
border-radius: 4px;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
z-index: 10001;
display: none;
}
#web-toolkit-toggle-btn {
position: fixed;
top: 20px;
right: 20px;
width: 45px;
height: 45px;
background: #2c3e50;
color: white;
border: none;
border-radius: 50%;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
cursor: pointer;
z-index: 9999;
font-size: 20px;
display: flex;
align-items: center;
justify-content: center;
}
#web-toolkit-toggle-btn:hover {
background: #34495e;
transform: scale(1.05);
}
.web-toolkit-password-container {
display: flex;
gap: 10px;
}
.web-toolkit-password-container .web-toolkit-input {
flex: 1;
}
.web-toolkit-qrcode-container {
text-align: center;
}
.web-toolkit-qrcode-container canvas {
max-width: 100%;
border: 1px solid #ddd;
border-radius: 4px;
}
`);
// 创建主面板
const panel = document.createElement('div');
panel.id = 'web-toolkit-panel';
panel.innerHTML = `
<div id="web-toolkit-panel-header">
<div id="web-toolkit-panel-title">网页工具箱</div>
<button id="web-toolkit-panel-close">×</button>
</div>
<div id="web-toolkit-panel-content">
<div class="web-toolkit-section">
<div class="web-toolkit-section-title">
<span>🔧 常用工具</span>
</div>
<div class="web-toolkit-tools-grid" id="web-toolkit-tools-grid">
<!-- 工具项将通过JS动态添加 -->
</div>
</div>
<div class="web-toolkit-section" id="web-toolkit-tool-details" style="display: none;">
<!-- 工具详情将通过JS动态添加 -->
</div>
</div>
`;
document.body.appendChild(panel);
// 创建切换按钮
const toggleBtn = document.createElement('button');
toggleBtn.id = 'web-toolkit-toggle-btn';
toggleBtn.innerHTML = '🛠️';
document.body.appendChild(toggleBtn);
// 创建通知元素
const notification = document.createElement('div');
notification.className = 'web-toolkit-notification';
notification.id = 'web-toolkit-notification';
document.body.appendChild(notification);
// 初始化工具网格
this.initToolsGrid();
}
// 初始化工具网格
initToolsGrid() {
const toolsGrid = document.getElementById('web-toolkit-tools-grid');
toolsGrid.innerHTML = '';
config.tools.forEach(tool => {
const toolItem = document.createElement('div');
toolItem.className = 'web-toolkit-tool-item';
toolItem.dataset.toolId = tool.id;
toolItem.innerHTML = `
<div class="web-toolkit-tool-icon">${tool.icon}</div>
<div class="web-toolkit-tool-name">${tool.name}</div>
`;
toolsGrid.appendChild(toolItem);
});
}
// 绑定事件
bindEvents() {
// 切换面板显示
document.getElementById('web-toolkit-toggle-btn').addEventListener('click', () => {
const panel = document.getElementById('web-toolkit-panel');
panel.style.display = panel.style.display === 'none' ? 'block' : 'none';
});
// 关闭面板
document.getElementById('web-toolkit-panel-close').addEventListener('click', () => {
document.getElementById('web-toolkit-panel').style.display = 'none';
});
// 拖拽面板
this.makeDraggable(document.getElementById('web-toolkit-panel-header'), document.getElementById('web-toolkit-panel'));
// 工具点击事件
document.getElementById('web-toolkit-tools-grid').addEventListener('click', (e) => {
const toolItem = e.target.closest('.web-toolkit-tool-item');
if (toolItem) {
const toolId = toolItem.dataset.toolId;
this.openToolDetail(toolId);
}
});
}
// 使面板可拖拽
makeDraggable(header, panel) {
let pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
header.onmousedown = dragMouseDown;
function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
// 获取鼠标位置
pos3 = e.clientX;
pos4 = e.clientY;
document.onmouseup = closeDragElement;
document.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
// 计算新位置
pos1 = pos3 - e.clientX;
pos2 = pos4 - e.clientY;
pos3 = e.clientX;
pos4 = e.clientY;
// 设置元素新位置
panel.style.top = (panel.offsetTop - pos2) + "px";
panel.style.left = (panel.offsetLeft - pos1) + "px";
}
function closeDragElement() {
// 停止移动
document.onmouseup = null;
document.onmousemove = null;
}
}
// 打开工具详情
openToolDetail(toolId) {
const toolDetails = document.getElementById('web-toolkit-tool-details');
toolDetails.style.display = 'block';
const tool = config.tools.find(t => t.id === toolId);
if (!tool) return;
switch(toolId) {
case 'adblock':
this.renderAdblockTool(toolDetails);
break;
case 'reader':
this.renderReaderTool(toolDetails);
break;
case 'screenshot':
this.renderScreenshotTool(toolDetails);
break;
case 'links':
this.renderLinksTool(toolDetails);
break;
case 'images':
this.renderImagesTool(toolDetails);
break;
case 'colorpicker':
this.renderColorPickerTool(toolDetails);
break;
case 'text':
this.renderTextTool(toolDetails);
break;
case 'password':
this.renderPasswordTool(toolDetails);
break;
case 'qrcode':
this.renderQRCodeTool(toolDetails);
break;
case 'translate':
this.renderTranslateTool(toolDetails);
break;
default:
toolDetails.innerHTML = `<p>工具 "${tool.name}" 尚未实现</p>`;
}
// 添加返回按钮
const backButton = document.createElement('button');
backButton.className = 'web-toolkit-btn secondary';
backButton.textContent = '← 返回工具列表';
backButton.onclick = () => {
toolDetails.style.display = 'none';
this.initToolsGrid();
};
toolDetails.appendChild(backButton);
}
// 渲染广告屏蔽工具
renderAdblockTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🚫 广告屏蔽</span>
</div>
<p>点击下方按钮屏蔽页面中的广告元素</p>
<button id="web-toolkit-adblock-btn" class="web-toolkit-btn">屏蔽广告</button>
<div class="web-toolkit-result" id="web-toolkit-adblock-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-adblock-btn').addEventListener('click', () => {
this.blockAds();
});
}
// 渲染阅读模式工具
renderReaderTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>📖 阅读模式</span>
</div>
<p>点击下方按钮进入阅读模式，专注于文章内容</p>
<button id="web-toolkit-reader-btn" class="web-toolkit-btn">进入阅读模式</button>
`;
document.getElementById('web-toolkit-reader-btn').addEventListener('click', () => {
this.enterReaderMode();
});
}
// 渲染网页截图工具
renderScreenshotTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>📸 网页截图</span>
</div>
<p>点击下方按钮截取当前网页</p>
<button id="web-toolkit-screenshot-btn" class="web-toolkit-btn">截取网页</button>
<div class="web-toolkit-result" id="web-toolkit-screenshot-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-screenshot-btn').addEventListener('click', () => {
this.takeScreenshot();
});
}
// 渲染链接提取工具
renderLinksTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🔗 链接提取</span>
</div>
<p>点击下方按钮提取页面中的所有链接</p>
<button id="web-toolkit-links-btn" class="web-toolkit-btn">提取链接</button>
<div class="web-toolkit-result" id="web-toolkit-links-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-links-btn').addEventListener('click', () => {
this.extractLinks();
});
}
// 渲染图片提取工具
renderImagesTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🖼️ 图片提取</span>
</div>
<p>点击下方按钮提取页面中的所有图片</p>
<button id="web-toolkit-images-btn" class="web-toolkit-btn">提取图片</button>
<div class="web-toolkit-result" id="web-toolkit-images-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-images-btn').addEventListener('click', () => {
this.extractImages();
});
}
// 渲染颜色选择器工具
renderColorPickerTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🎨 颜色选择器</span>
</div>
<p>点击下方按钮打开颜色选择器</p>
<button id="web-toolkit-color-btn" class="web-toolkit-btn">打开颜色选择器</button>
<div class="web-toolkit-result" id="web-toolkit-color-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-color-btn').addEventListener('click', () => {
this.initColorPicker();
});
}
// 渲染文本提取工具
renderTextTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>📝 文本提取</span>
</div>
<p>点击下方按钮提取页面中的所有文本内容</p>
<button id="web-toolkit-text-btn" class="web-toolkit-btn">提取文本</button>
<div class="web-toolkit-result" id="web-toolkit-text-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-text-btn').addEventListener('click', () => {
this.extractText();
});
}
// 渲染密码生成工具
renderPasswordTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🔑 密码生成</span>
</div>
<div class="web-toolkit-input-group">
<label>密码长度</label>
<input type="number" id="web-toolkit-password-length" class="web-toolkit-input" value="12" min="4" max="128">
</div>
<div class="web-toolkit-input-group">
<label>
<input type="checkbox" id="web-toolkit-password-uppercase" checked> 包含大写字母
</label>
</div>
<div class="web-toolkit-input-group">
<label>
<input type="checkbox" id="web-toolkit-password-numbers" checked> 包含数字
</label>
</div>
<div class="web-toolkit-input-group">
<label>
<input type="checkbox" id="web-toolkit-password-symbols" checked> 包含符号
</label>
</div>
<button id="web-toolkit-password-generate" class="web-toolkit-btn">生成密码</button>
<div class="web-toolkit-password-container">
<input type="text" id="web-toolkit-password-result" class="web-toolkit-input" readonly>
<button id="web-toolkit-password-copy" class="web-toolkit-btn secondary">复制</button>
</div>
`;
document.getElementById('web-toolkit-password-generate').addEventListener('click', () => {
this.generatePassword();
});
document.getElementById('web-toolkit-password-copy').addEventListener('click', () => {
this.copyPassword();
});
}
// 渲染二维码生成工具
renderQRCodeTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🔲 二维码生成</span>
</div>
<div class="web-toolkit-input-group">
<label>输入文本或链接</label>
<input type="text" id="web-toolkit-qrcode-text" class="web-toolkit-input" value="${window.location.href}">
</div>
<button id="web-toolkit-qrcode-generate" class="web-toolkit-btn">生成二维码</button>
<div class="web-toolkit-qrcode-container">
<div id="web-toolkit-qrcode-result"></div>
</div>
`;
document.getElementById('web-toolkit-qrcode-generate').addEventListener('click', () => {
this.generateQRCode();
});
}
// 渲染翻译工具
renderTranslateTool(container) {
container.innerHTML = `
<div class="web-toolkit-section-title">
<span>🌐 快速翻译</span>
</div>
<div class="web-toolkit-input-group">
<label>输入要翻译的文本</label>
<textarea id="web-toolkit-translate-input" class="web-toolkit-textarea" placeholder="输入要翻译的文本..."></textarea>
</div>
<div class="web-toolkit-input-group">
<label>目标语言</label>
<select id="web-toolkit-translate-target" class="web-toolkit-input">
<option value="zh">中文</option>
<option value="en">英语</option>
<option value="ja">日语</option>
<option value="ko">韩语</option>
<option value="fr">法语</option>
<option value="de">德语</option>
<option value="es">西班牙语</option>
</select>
</div>
<button id="web-toolkit-translate-btn" class="web-toolkit-btn">翻译</button>
<div class="web-toolkit-result" id="web-toolkit-translate-result" style="display: none;"></div>
`;
document.getElementById('web-toolkit-translate-btn').addEventListener('click', () => {
this.translateText();
});
}
// 广告屏蔽功能
blockAds() {
const result = document.getElementById('web-toolkit-adblock-result');
let blockedCount = 0;
let smartBlockedCount = 0;
// 1. 使用预定义选择器屏蔽广告
this.settings.adblockSelectors.forEach(selector => {
try {
const elements = document.querySelectorAll(selector);
elements.forEach(element => {
if (element.style.display !== 'none' && this.isLikelyAd(element)) {
element.style.display = 'none';
element.setAttribute('data-ad-blocked', 'true');
blockedCount++;
}
});
} catch (e) {
console.warn('选择器无效:', selector);
}
});
// 2. 智能识别可能的广告元素
smartBlockedCount = this.smartBlockAds();
// 3. 屏蔽常见的广告脚本和iframe
this.blockAdScripts();
// 显示结果
result.style.display = 'block';
const totalBlocked = blockedCount + smartBlockedCount;
result.innerHTML = `
<p>🚫 广告屏蔽完成！</p>
<p>• 规则匹配: ${blockedCount} 个</p>
<p>• 智能识别: ${smartBlockedCount} 个</p>
<p><strong>总计: ${totalBlocked} 个广告元素</strong></p>
`;
this.showNotification(`已屏蔽 ${totalBlocked} 个广告元素`);
}
// 智能识别广告元素
smartBlockAds() {
let count = 0;
const elements = document.querySelectorAll('*');
elements.forEach(element => {
// 检查元素特征
const className = element.className || '';
const id = element.id || '';
const text = element.textContent || '';
// 智能判断条件
const isAdLike = (
// 包含广告相关关键词
/(广告|推广|赞助|ADVERTISEMENT|SPONSORED|Promoted)/i.test(text) &&
text.length < 100 // 文本较短
) || (
// 特定的尺寸特征
(element.offsetHeight === 90 || element.offsetHeight === 250) &&
element.offsetWidth > 200
) || (
// 包含特定图片源
element.querySelector('img[src*="doubleclick"]') ||
element.querySelector('img[src*="googleads"]') ||
element.querySelector('img[src*="facebook.com/tr"]')
) || (
// 样式特征
getComputedStyle(element).position === 'fixed' &&
element.offsetHeight < 150 &&
/bottom|right/.test(getComputedStyle(element).cssText)
);
if (isAdLike && element.style.display !== 'none' && !element.hasAttribute('data-ad-blocked')) {
element.style.display = 'none';
element.setAttribute('data-ad-smart-blocked', 'true');
count++;
}
});
return count;
}
// 判断元素是否可能是广告
isLikelyAd(element) {
// 排除一些误杀的元素
const text = element.textContent || '';
const tagName = element.tagName.toLowerCase();
// 排除导航菜单
if (tagName === 'nav' || element.closest('nav')) return false;
// 排除主要内容区域
if (element.closest('main, article, .content, .post-content')) return false;
// 排除太小的元素（可能是按钮等）
if (element.offsetHeight < 20 && element.offsetWidth < 100) return false;
return true;
}
// 屏蔽广告脚本
blockAdScripts() {
// 移除已知的广告脚本
const adScripts = [
'doubleclick.net',
'googleadservices.com',
'googlesyndication.com',
'facebook.com/tr',
'google-analytics.com'
];
document.querySelectorAll('script').forEach(script => {
const src = script.src || '';
if (adScripts.some(domain => src.includes(domain))) {
script.remove();
}
});
// 屏蔽广告iframe
document.querySelectorAll('iframe').forEach(iframe => {
const src = iframe.src || '';
if (adScripts.some(domain => src.includes(domain))) {
iframe.remove();
}
});
}
// 阅读模式
enterReaderMode() {
// 保存原始内容
const originalContent = document.body.innerHTML;
// 创建阅读模式容器
const readerContainer = document.createElement('div');
readerContainer.id = 'web-toolkit-reader-mode';
readerContainer.style.cssText = `
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: white;
z-index: 99999;
overflow-y: auto;
padding: 20px;
box-sizing: border-box;
`;
// 提取文章内容（简化版）
const articleContent = this.extractArticleContent();
readerContainer.innerHTML = `
<div style="max-width: ${this.settings.readerMode.maxWidth}px; margin: 0 auto; font-family: ${this.settings.readerMode.fontFamily};">
<h1 style="font-size: 2em; margin-bottom: 20px;">${document.title}</h1>
<div style="line-height: ${this.settings.readerMode.lineHeight}; font-size: ${this.settings.readerMode.fontSize}px;">
${articleContent}
</div>
<div style="margin-top: 30px; text-align: center;">
<button id="web-toolkit-reader-exit" class="web-toolkit-btn secondary">退出阅读模式</button>
</div>
</div>
`;
document.body.appendChild(readerContainer);
// 绑定退出事件
document.getElementById('web-toolkit-reader-exit').addEventListener('click', () => {
document.body.removeChild(readerContainer);
});
this.showNotification('已进入阅读模式');
}
// 提取文章内容（增强版）
extractArticleContent() {
// 1. 尝试找到文章内容
const contentSelectors = [
'article',
'.content',
'.post-content',
'.article-content',
'.entry-content',
'main',
'#content',
'.entry',
'.post',
'.story',
'.news-content',
'.article-body',
'.main-content',
'.text-content'
];
let contentElement = null;
let bestScore = 0;
// 2. 智能选择最佳内容容器
for (const selector of contentSelectors) {
const elements = document.querySelectorAll(selector);
for (const element of elements) {
const score = this.calculateContentScore(element);
if (score > bestScore) {
bestScore = score;
contentElement = element;
}
}
}
// 3. 如果没有找到合适的容器，使用智能算法
if (!contentElement) {
contentElement = this.findMainContent();
}
// 4. 清理和优化内容
if (contentElement) {
return this.cleanAndOptimizeContent(contentElement);
}
// 5. 最后备用方案
return this.getFallbackContent();
}
// 计算内容评分
calculateContentScore(element) {
let score = 0;
const text = element.textContent || '';
const textLength = text.trim().length;
// 文本长度评分
if (textLength > 500) score += 10;
if (textLength > 1000) score += 20;
if (textLength > 2000) score += 30;
// 段落数量评分
const paragraphs = element.querySelectorAll('p');
score += paragraphs.length * 5;
// 图片数量评分（适中的图片数量）
const images = element.querySelectorAll('img');
if (images.length > 0 && images.length <= 10) {
score += images.length * 2;
}
// 标题评分
const headings = element.querySelectorAll('h1, h2, h3, h4, h5, h6');
score += headings.length * 3;
// 链接密度评分（链接不能太多）
const links = element.querySelectorAll('a');
const linkDensity = links.length / Math.max(textLength / 100, 1);
if (linkDensity < 0.5) { // 每100字符少于0.5个链接
score += 10;
}
// 标签名称评分
const tagName = element.tagName.toLowerCase();
if (tagName === 'article') score += 15;
if (tagName === 'main') score += 10;
return score;
}
// 智能查找主要内容
findMainContent() {
// 使用Readability算法的简化版本
const candidates = [];
const allElements = document.querySelectorAll('div, section, article, main');
allElements.forEach(element => {
// 跳过明显的非内容元素
if (this.isUnlikelyContent(element)) return;
const textContent = element.textContent || '';
const textLength = textContent.trim().length;
// 只考虑有足够文本的元素
if (textLength < 100) return;
const score = this.calculateAdvancedContentScore(element);
candidates.push({ element, score, textLength });
});
// 按评分排序
candidates.sort((a, b) => b.score - a.score);
// 返回最佳候选
return candidates.length > 0 ? candidates[0].element : document.body;
}
// 计算高级内容评分
calculateAdvancedContentScore(element) {
let score = 0;
const textContent = element.textContent || '';
const textLength = textContent.trim().length;
// 基础文本长度评分
score += Math.min(textLength / 100, 50); // 最多50分
// 段落密度评分
const paragraphs = element.querySelectorAll('p');
const paragraphDensity = paragraphs.length / Math.max(element.children.length, 1);
score += paragraphDensity * 20;
// 句子长度评分（平均句子长度）
const sentences = textContent.split(/[.!?]+/).filter(s => s.trim().length > 0);
const avgSentenceLength = sentences.reduce((sum, s) => sum + s.trim().length, 0) / Math.max(sentences.length, 1);
if (avgSentenceLength > 20 && avgSentenceLength < 200) {
score += 10;
}
// 逗号密度评分（合理的逗号使用）
const commaCount = (textContent.match(/,/g) || []).length;
const commaDensity = commaCount / Math.max(textLength, 1);
if (commaDensity > 0.01 && commaDensity < 0.1) {
score += 5;
}
// 类名和ID评分
const className = element.className || '';
const id = element.id || '';
const classAndId = className + ' ' + id;
// 正面关键词
if (/(content|article|post|entry|story|news|text)/i.test(classAndId)) {
score += 20;
}
// 负面关键词
if (/(comment|footer|sidebar|menu|navigation|advertisement|ad|social)/i.test(classAndId)) {
score -= 30;
}
return score;
}
// 判断是否为非内容元素
isUnlikelyContent(element) {
const className = element.className || '';
const id = element.id || '';
const classAndId = className + ' ' + id;
const unlikelyPatterns = [
'comment', 'footer', 'header', 'sidebar', 'menu', 'navigation',
'advertisement', 'ad', 'social', 'share', 'widget',
'related', 'recommended', 'sidebar', 'menu', 'nav'
];
return unlikelyPatterns.some(pattern =>
new RegExp(pattern, 'i').test(classAndId)
);
}
// 清理和优化内容
cleanAndOptimizeContent(element) {
// 克隆元素以避免修改原始DOM
const clonedElement = element.cloneNode(true);
// 移除不需要的元素
const unwantedSelectors = [
'script', 'style', 'noscript', 'iframe', 'object', 'embed',
'.advertisement', '.ad', '.social-share', '.comments',
'.sidebar', '.navigation', '.menu', '.footer', '.header',
'[class*="ad-"]', '[id*="ad-"]', '[class*="advertisement"]'
];
unwantedSelectors.forEach(selector => {
const elements = clonedElement.querySelectorAll(selector);
elements.forEach(el => el.remove());
});
// 移除属性
const elementsWithAttributes = clonedElement.querySelectorAll('*');
elementsWithAttributes.forEach(el => {
// 保留必要的属性
const attributesToKeep = ['src', 'alt', 'href', 'title'];
Array.from(el.attributes).forEach(attr => {
if (!attributesToKeep.includes(attr.name)) {
el.removeAttribute(attr.name);
}
});
});
return clonedElement.innerHTML;
}
// 获取备用内容
getFallbackContent() {
const tempDiv = document.createElement('div');
tempDiv.innerHTML = document.body.innerHTML;
// 移除script和style标签
const scripts = tempDiv.querySelectorAll('script');
scripts.forEach(script => script.remove());
const styles = tempDiv.querySelectorAll('style');
styles.forEach(style => style.remove());
// 移除明显的非内容元素
const unwantedElements = tempDiv.querySelectorAll(
'nav, header, footer, aside, .sidebar, .menu, .navigation, .advertisement, .ad'
);
unwantedElements.forEach(el => el.remove());
return tempDiv.innerHTML;
}
// 网页截图
takeScreenshot() {
this.showNotification('正在准备截图功能...');
const result = document.getElementById('web-toolkit-screenshot-result');
result.style.display = 'block';
// 动态加载html2canvas库
this.loadScript('https://cdn.jsdelivr.net/npm/[email protected]/dist/html2canvas.min.js')
.then(() => {
this.performScreenshot();
})
.catch(() => {
result.innerHTML = `
<p>❌ 截图库加载失败</p>
<p>请检查网络连接，或使用浏览器自带截图功能：</p>
<ul>
<li>Windows: Win + Shift + S</li>
<li>Mac: Cmd + Shift + 4</li>
</ul>
<button id="web-toolkit-screenshot-retry" class="web-toolkit-btn">重试</button>
`;
document.getElementById('web-toolkit-screenshot-retry').addEventListener('click', () => {
this.takeScreenshot();
});
});
}
// 执行截图
performScreenshot() {
const result = document.getElementById('web-toolkit-screenshot-result');
this.showNotification('正在截取网页，请稍候...');
// 隐藏工具箱面板
const panel = document.getElementById('web-toolkit-panel');
const toggleBtn = document.getElementById('web-toolkit-toggle-btn');
const originalPanelDisplay = panel.style.display;
const originalBtnDisplay = toggleBtn.style.display;
panel.style.display = 'none';
toggleBtn.style.display = 'none';
// 等待一小段时间确保面板隐藏
setTimeout(() => {
html2canvas(document.body, {
useCORS: true,
allowTaint: true,
scale: 1,
width: window.innerWidth,
height: window.innerHeight,
scrollX: 0,
scrollY: 0
}).then(canvas => {
// 恢复面板显示
panel.style.display = originalPanelDisplay;
toggleBtn.style.display = originalBtnDisplay;
// 显示截图结果
const imgData = canvas.toDataURL('image/png');
result.innerHTML = `
<div style="text-align: center;">
<p>✅ 网页截图完成！</p>
<img src="${imgData}" style="max-width: 100%; border: 1px solid #ddd; border-radius: 4px; margin: 10px 0;">
<div style="display: flex; gap: 10px; margin-top: 15px;">
<button id="web-toolkit-screenshot-download" class="web-toolkit-btn success">下载图片</button>
<button id="web-toolkit-screenshot-copy" class="web-toolkit-btn">复制到剪贴板</button>
<button id="web-toolkit-screenshot-fullpage" class="web-toolkit-btn secondary">截取完整页面</button>
</div>
</div>
`;
// 绑定按钮事件
document.getElementById('web-toolkit-screenshot-download').addEventListener('click', () => {
this.downloadScreenshot(imgData);
});
document.getElementById('web-toolkit-screenshot-copy').addEventListener('click', () => {
this.copyScreenshot(imgData);
});
document.getElementById('web-toolkit-screenshot-fullpage').addEventListener('click', () => {
this.takeFullPageScreenshot();
});
this.showNotification('截图完成！');
}).catch(error => {
// 恢复面板显示
panel.style.display = originalPanelDisplay;
toggleBtn.style.display = originalBtnDisplay;
result.innerHTML = `
<p>❌ 截图失败: ${error.message}</p>
<p>可能的原因：</p>
<ul>
<li>页面内容跨域限制</li>
<li>浏览器安全策略</li>
<li>页面结构复杂</li>
</ul>
<button id="web-toolkit-screenshot-retry" class="web-toolkit-btn">重试</button>
`;
document.getElementById('web-toolkit-screenshot-retry').addEventListener('click', () => {
this.takeScreenshot();
});
this.showNotification('截图失败，请重试');
});
}, 500);
}
// 截取完整页面
takeFullPageScreenshot() {
const result = document.getElementById('web-toolkit-screenshot-result');
this.showNotification('正在截取完整页面...');
// 获取页面完整尺寸
const fullHeight = Math.max(
document.body.scrollHeight,
document.body.offsetHeight,
document.documentElement.clientHeight,
document.documentElement.scrollHeight,
document.documentElement.offsetHeight
);
const fullWidth = Math.max(
document.body.scrollWidth,
document.body.offsetWidth,
document.documentElement.clientWidth,
document.documentElement.scrollWidth,
document.documentElement.offsetWidth
);
// 隐藏工具箱面板
const panel = document.getElementById('web-toolkit-panel');
const toggleBtn = document.getElementById('web-toolkit-toggle-btn');
const originalPanelDisplay = panel.style.display;
const originalBtnDisplay = toggleBtn.style.display;
panel.style.display = 'none';
toggleBtn.style.display = 'none';
setTimeout(() => {
html2canvas(document.body, {
useCORS: true,
allowTaint: true,
scale: 0.5, // 降低分辨率以避免内存问题
width: fullWidth,
height: fullHeight,
scrollX: 0,
scrollY: 0
}).then(canvas => {
// 恢复面板显示
panel.style.display = originalPanelDisplay;
toggleBtn.style.display = originalBtnDisplay;
const imgData = canvas.toDataURL('image/png');
result.innerHTML = `
<div style="text-align: center;">
<p>✅ 完整页面截图完成！</p>
<img src="${imgData}" style="max-width: 100%; border: 1px solid #ddd; border-radius: 4px; margin: 10px 0;">
<div style="display: flex; gap: 10px; margin-top: 15px;">
<button id="web-toolkit-screenshot-download" class="web-toolkit-btn success">下载完整页面</button>
<button id="web-toolkit-screenshot-copy" class="web-toolkit-btn">复制到剪贴板</button>
</div>
</div>
`;
document.getElementById('web-toolkit-screenshot-download').addEventListener('click', () => {
this.downloadScreenshot(imgData, 'fullpage-screenshot.png');
});
document.getElementById('web-toolkit-screenshot-copy').addEventListener('click', () => {
this.copyScreenshot(imgData);
});
this.showNotification('完整页面截图完成！');
}).catch(error => {
// 恢复面板显示
panel.style.display = originalPanelDisplay;
toggleBtn.style.display = originalBtnDisplay;
this.showNotification('完整页面截图失败，尝试当前视口截图');
this.takeScreenshot(); // 回退到普通截图
});
}, 500);
}
// 下载截图
downloadScreenshot(dataUrl, filename = 'screenshot.png') {
const link = document.createElement('a');
link.download = filename;
link.href = dataUrl;
link.click();
this.showNotification('截图已下载！');
}
// 复制截图到剪贴板
copyScreenshot(dataUrl) {
// 创建临时图片元素
const img = new Image();
img.onload = () => {
const canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
canvas.toBlob(blob => {
if (blob) {
navigator.clipboard.write([
new ClipboardItem({ 'image/png': blob })
]).then(() => {
this.showNotification('截图已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动下载');
});
}
});
};
img.src = dataUrl;
}
// 动态加载脚本
loadScript(url) {
return new Promise((resolve, reject) => {
const script = document.createElement('script');
script.src = url;
script.onload = resolve;
script.onerror = reject;
document.head.appendChild(script);
});
}
// 提取链接
extractLinks() {
const links = Array.from(document.querySelectorAll('a[href]'))
.map(a => ({
text: a.textContent.trim(),
url: a.href
}))
.filter(link => link.text && link.url);
const result = document.getElementById('web-toolkit-links-result');
result.style.display = 'block';
if (links.length === 0) {
result.innerHTML = '<p>未找到链接</p>';
return;
}
let html = `<p>找到 ${links.length} 个链接：</p><ul>`;
links.forEach(link => {
html += `<li><a href="${link.url}" target="_blank">${link.text}</a></li>`;
});
html += '</ul>';
result.innerHTML = html;
this.showNotification(`提取到 ${links.length} 个链接`);
}
// 提取图片
extractImages() {
const images = Array.from(document.querySelectorAll('img[src]'))
.map(img => ({
src: img.src,
alt: img.alt || '无描述',
width: img.naturalWidth || img.width,
height: img.naturalHeight || img.height
}))
.filter(img => img.src && !img.src.includes('data:')); // 排除base64图片
const result = document.getElementById('web-toolkit-images-result');
result.style.display = 'block';
if (images.length === 0) {
result.innerHTML = '<p>未找到图片</p>';
return;
}
let html = `<p>找到 ${images.length} 张图片：</p><div class="web-toolkit-images-grid">`;
images.forEach((img, index) => {
html += `
<div class="web-toolkit-image-item">
<img src="${img.src}" alt="${img.alt}" loading="lazy">
<div class="web-toolkit-image-info">
<p><strong>描述:</strong> ${img.alt}</p>
<p><strong>尺寸:</strong> ${img.width} x ${img.height}</p>
<p><strong>URL:</strong> <a href="${img.src}" target="_blank">查看原图</a></p>
<button class="web-toolkit-btn secondary" onclick="window.open('${img.src}', '_blank')">下载</button>
</div>
</div>
`;
});
html += '</div>';
result.innerHTML = html;
this.showNotification(`提取到 ${images.length} 张图片`);
}
// 颜色选择器
initColorPicker() {
const result = document.getElementById('web-toolkit-color-result');
result.style.display = 'block';
result.innerHTML = `
<div class="web-toolkit-color-picker">
<div class="web-toolkit-color-canvas-container">
<canvas id="web-toolkit-color-canvas" width="300" height="200"></canvas>
<div id="web-toolkit-color-cursor" class="color-cursor"></div>
</div>
<div class="web-toolkit-color-controls">
<div class="web-toolkit-color-slider">
<label>色相:</label>
<input type="range" id="web-toolkit-hue-slider" min="0" max="360" value="0">
</div>
<div class="web-toolkit-color-inputs">
<div>
<label>HEX:</label>
<input type="text" id="web-toolkit-hex-input" value="#FF0000">
</div>
<div>
<label>RGB:</label>
<input type="text" id="web-toolkit-rgb-input" value="rgb(255, 0, 0)">
</div>
<div>
<label>HSL:</label>
<input type="text" id="web-toolkit-hsl-input" value="hsl(0, 100%, 50%)">
</div>
</div>
<div class="web-toolkit-color-preview">
<div id="web-toolkit-color-preview" style="width: 100px; height: 50px; background: #FF0000; border: 1px solid #ccc;"></div>
</div>
<div class="web-toolkit-color-actions">
<button id="web-toolkit-copy-hex" class="web-toolkit-btn">复制HEX</button>
<button id="web-toolkit-copy-rgb" class="web-toolkit-btn">复制RGB</button>
<button id="web-toolkit-copy-hsl" class="web-toolkit-btn">复制HSL</button>
<button id="web-toolkit-pick-from-screen" class="web-toolkit-btn secondary">从屏幕取色</button>
</div>
</div>
</div>
`;
this.initColorPickerCanvas();
this.bindColorPickerEvents();
this.showNotification('颜色选择器已初始化');
}
// 初始化颜色选择器画布
initColorPickerCanvas() {
const canvas = document.getElementById('web-toolkit-color-canvas');
const ctx = canvas.getContext('2d');
// 创建渐变色
this.updateColorCanvas(0); // 初始色相为0
}
// 更新颜色画布
updateColorCanvas(hue) {
const canvas = document.getElementById('web-toolkit-color-canvas');
const ctx = canvas.getContext('2d');
const width = canvas.width;
const height = canvas.height;
// 清空画布
ctx.clearRect(0, 0, width, height);
// 创建饱和度渐变
const satGradient = ctx.createLinearGradient(0, 0, width, 0);
satGradient.addColorStop(0, '#ffffff');
satGradient.addColorStop(1, `hsl(${hue}, 100%, 50%)`);
// 创建亮度渐变
const lightGradient = ctx.createLinearGradient(0, 0, 0, height);
lightGradient.addColorStop(0, 'rgba(255, 255, 255, 0)');
lightGradient.addColorStop(1, '#000000');
// 应用渐变
ctx.fillStyle = satGradient;
ctx.fillRect(0, 0, width, height);
ctx.fillStyle = lightGradient;
ctx.fillRect(0, 0, width, height);
}
// 绑定颜色选择器事件
bindColorPickerEvents() {
const canvas = document.getElementById('web-toolkit-color-canvas');
const hueSlider = document.getElementById('web-toolkit-hue-slider');
const hexInput = document.getElementById('web-toolkit-hex-input');
const rgbInput = document.getElementById('web-toolkit-rgb-input');
const hslInput = document.getElementById('web-toolkit-hsl-input');
let isPicking = false;
// 画布点击事件
canvas.addEventListener('mousedown', (e) => {
isPicking = true;
this.pickColorFromCanvas(e);
});
canvas.addEventListener('mousemove', (e) => {
if (isPicking) {
this.pickColorFromCanvas(e);
}
});
canvas.addEventListener('mouseup', () => {
isPicking = false;
});
// 色相滑块事件
hueSlider.addEventListener('input', (e) => {
this.updateColorCanvas(e.target.value);
});
// 输入框事件
hexInput.addEventListener('input', (e) => {
this.updateColorFromHex(e.target.value);
});
// 复制按钮事件
document.getElementById('web-toolkit-copy-hex').addEventListener('click', () => {
GM_setClipboard(hexInput.value);
this.showNotification('HEX值已复制');
});
document.getElementById('web-toolkit-copy-rgb').addEventListener('click', () => {
GM_setClipboard(rgbInput.value);
this.showNotification('RGB值已复制');
});
document.getElementById('web-toolkit-copy-hsl').addEventListener('click', () => {
GM_setClipboard(hslInput.value);
this.showNotification('HSL值已复制');
});
// 屏幕取色按钮
document.getElementById('web-toolkit-pick-from-screen').addEventListener('click', () => {
this.startScreenColorPicker();
});
}
// 从画布选择颜色
pickColorFromCanvas(e) {
const canvas = document.getElementById('web-toolkit-color-canvas');
const rect = canvas.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
const ctx = canvas.getContext('2d');
const imageData = ctx.getImageData(x, y, 1, 1);
const [r, g, b] = imageData.data;
this.updateColorDisplay(r, g, b);
}
// 更新颜色显示
updateColorDisplay(r, g, b) {
const hex = this.rgbToHex(r, g, b);
const rgb = `rgb(${r}, ${g}, ${b})`;
const hsl = this.rgbToHsl(r, g, b);
document.getElementById('web-toolkit-hex-input').value = hex;
document.getElementById('web-toolkit-rgb-input').value = rgb;
document.getElementById('web-toolkit-hsl-input').value = hsl;
document.getElementById('web-toolkit-color-preview').style.background = hex;
}
// 从HEX更新颜色
updateColorFromHex(hex) {
const rgb = this.hexToRgb(hex);
if (rgb) {
this.updateColorDisplay(rgb.r, rgb.g, rgb.b);
}
}
// RGB转HEX
rgbToHex(r, g, b) {
return '#' + [r, g, b].map(x => {
const hex = x.toString(16);
return hex.length === 1 ? '0' + hex : hex;
}).join('');
}
// HEX转RGB
hexToRgb(hex) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
}
// RGB转HSL
rgbToHsl(r, g, b) {
r /= 255;
g /= 255;
b /= 255;
const max = Math.max(r, g, b);
const min = Math.min(r, g, b);
let h, s, l = (max + min) / 2;
if (max === min) {
h = s = 0;
} else {
const d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch (max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return `hsl(${Math.round(h * 360)}, ${Math.round(s * 100)}%, ${Math.round(l * 100)}%)`;
}
// 开始屏幕取色
startScreenColorPicker() {
this.showNotification('屏幕取色功能开发中...');
// 这里可以实现更复杂的屏幕取色功能
// 由于浏览器安全限制，可能需要额外的权限或扩展
}
// 提取文本
extractText() {
const text = document.body.innerText || document.body.textContent;
const result = document.getElementById('web-toolkit-text-result');
result.style.display = 'block';
if (!text) {
result.innerHTML = '<p>未找到文本内容</p>';
return;
}
// 截取前1000个字符作为预览
const preview = text.substring(0, 1000);
const fullText = text;
result.innerHTML = `
<p>文本长度: ${fullText.length} 字符</p>
<textarea class="web-toolkit-textarea" readonly>${preview}${fullText.length > 1000 ? '...' : ''}</textarea>
<button id="web-toolkit-text-copy" class="web-toolkit-btn secondary">复制全部文本</button>
`;
document.getElementById('web-toolkit-text-copy').addEventListener('click', () => {
GM_setClipboard(fullText);
this.showNotification('文本已复制到剪贴板');
});
this.showNotification(`提取到 ${fullText.length} 字符的文本`);
}
// 生成密码
generatePassword() {
const length = parseInt(document.getElementById('web-toolkit-password-length').value) || 12;
const includeUppercase = document.getElementById('web-toolkit-password-uppercase').checked;
const includeNumbers = document.getElementById('web-toolkit-password-numbers').checked;
const includeSymbols = document.getElementById('web-toolkit-password-symbols').checked;
let charset = 'abcdefghijklmnopqrstuvwxyz';
if (includeUppercase) charset += 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
if (includeNumbers) charset += '0123456789';
if (includeSymbols) charset += '!@#$%^&*()_+-=[]{}|;:,.<>?';
let password = '';
for (let i = 0; i < length; i++) {
const randomIndex = Math.floor(Math.random() * charset.length);
password += charset[randomIndex];
}
document.getElementById('web-toolkit-password-result').value = password;
this.showNotification('密码已生成');
}
// 复制密码
copyPassword() {
const password = document.getElementById('web-toolkit-password-result').value;
if (password) {
GM_setClipboard(password);
this.showNotification('密码已复制到剪贴板');
}
}
// 生成二维码
generateQRCode() {
const text = document.getElementById('web-toolkit-qrcode-text').value;
if (!text) {
this.showNotification('请输入文本内容');
return;
}
const result = document.getElementById('web-toolkit-qrcode-result');
result.style.display = 'block';
// 动态加载qrcode.js库
this.loadScript('https://cdn.jsdelivr.net/npm/[email protected]/qrcode.min.js')
.then(() => {
this.performQRGeneration(text);
})
.catch(() => {
result.innerHTML = `
<p>❌ 二维码库加载失败</p>
<p>请检查网络连接后重试</p>
<button id="web-toolkit-qr-retry" class="web-toolkit-btn">重试</button>
`;
document.getElementById('web-toolkit-qr-retry').addEventListener('click', () => {
this.generateQRCode();
});
});
}
// 执行二维码生成
performQRGeneration(text) {
const result = document.getElementById('web-toolkit-qrcode-result');
this.showNotification('正在生成二维码...');
// 清空之前的结果
result.innerHTML = `
<div style="text-align: center;">
<p>正在生成二维码...</p>
<div id="web-toolkit-qr-code" style="margin: 20px auto;"></div>
<div id="web-toolkit-qr-actions" style="display: none; margin-top: 15px;">
<button id="web-toolkit-qr-download" class="web-toolkit-btn success">下载二维码</button>
<button id="web-toolkit-qr-copy" class="web-toolkit-btn">复制二维码</button>
<button id="web-toolkit-qr-regenerate" class="web-toolkit-btn secondary">重新生成</button>
</div>
</div>
`;
try {
// 生成二维码
const qrcode = new QRCode(document.getElementById('web-toolkit-qr-code'), {
text: text,
width: 256,
height: 256,
colorDark : '#000000',
colorLight : '#ffffff',
correctLevel : QRCode.CorrectLevel.H
});
// 等待二维码生成完成
setTimeout(() => {
const canvas = document.querySelector('#web-toolkit-qr-code canvas');
const img = document.querySelector('#web-toolkit-qr-code img');
if (canvas || img) {
// 显示操作按钮
document.getElementById('web-toolkit-qr-actions').style.display = 'flex';
document.getElementById('web-toolkit-qr-actions').style.gap = '10px';
// 绑定按钮事件
document.getElementById('web-toolkit-qr-download').addEventListener('click', () => {
this.downloadQRCode(text);
});
document.getElementById('web-toolkit-qr-copy').addEventListener('click', () => {
this.copyQRCode();
});
document.getElementById('web-toolkit-qr-regenerate').addEventListener('click', () => {
this.generateQRCode();
});
this.showNotification('二维码生成成功！');
} else {
result.innerHTML = `
<p>❌ 二维码生成失败</p>
<p>请重试或检查输入内容</p>
<button id="web-toolkit-qr-retry" class="web-toolkit-btn">重试</button>
`;
document.getElementById('web-toolkit-qr-retry').addEventListener('click', () => {
this.generateQRCode();
});
}
}, 1000);
} catch (error) {
result.innerHTML = `
<p>❌ 二维码生成错误: ${error.message}</p>
<p>请检查输入内容或重试</p>
<button id="web-toolkit-qr-retry" class="web-toolkit-btn">重试</button>
`;
document.getElementById('web-toolkit-qr-retry').addEventListener('click', () => {
this.generateQRCode();
});
this.showNotification('二维码生成失败');
}
}
// 下载二维码
downloadQRCode(text) {
const canvas = document.querySelector('#web-toolkit-qr-code canvas');
const img = document.querySelector('#web-toolkit-qr-code img');
let dataUrl;
if (canvas) {
dataUrl = canvas.toDataURL('image/png');
} else if (img) {
dataUrl = img.src;
} else {
this.showNotification('无法获取二维码图片');
return;
}
const link = document.createElement('a');
link.download = `qrcode-${Date.now()}.png`;
link.href = dataUrl;
link.click();
this.showNotification('二维码已下载！');
}
// 复制二维码到剪贴板
copyQRCode() {
const canvas = document.querySelector('#web-toolkit-qr-code canvas');
const img = document.querySelector('#web-toolkit-qr-code img');
if (canvas) {
canvas.toBlob(blob => {
if (blob) {
navigator.clipboard.write([
new ClipboardItem({ 'image/png': blob })
]).then(() => {
this.showNotification('二维码已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动下载');
});
}
});
} else if (img) {
// 复制图片元素
const imgElement = new Image();
imgElement.onload = () => {
const canvas = document.createElement('canvas');
canvas.width = imgElement.width;
canvas.height = imgElement.height;
const ctx = canvas.getContext('2d');
ctx.drawImage(imgElement, 0, 0);
canvas.toBlob(blob => {
if (blob) {
navigator.clipboard.write([
new ClipboardItem({ 'image/png': blob })
]).then(() => {
this.showNotification('二维码已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动下载');
});
}
});
};
imgElement.src = img.src;
} else {
this.showNotification('无法找到二维码图片');
}
}
// 翻译文本
translateText() {
const text = document.getElementById('web-toolkit-translate-input').value;
const targetLang = document.getElementById('web-toolkit-translate-target').value;
if (!text) {
this.showNotification('请输入要翻译的文本');
return;
}
const result = document.getElementById('web-toolkit-translate-result');
result.style.display = 'block';
// 显示加载状态
result.innerHTML = `
<div style="text-align: center;">
<p>正在翻译中...</p>
<div class="web-toolkit-loading" style="margin: 20px auto;"></div>
</div>
`;
// 使用Google翻译API进行翻译
this.performTranslation(text, targetLang)
.then(translation => {
result.innerHTML = `
<div style="border: 1px solid #ddd; padding: 15px; border-radius: 5px; background: #f9f9f9;">
<p><strong>原文：</strong></p>
<p style="margin-bottom: 15px; font-style: italic;">${text}</p>
<p><strong>翻译结果 (${targetLang}):</strong></p>
<p style="font-size: 1.1em; color: #333;">${translation}</p>
<div style="margin-top: 15px; display: flex; gap: 10px;">
<button id="web-toolkit-copy-translation" class="web-toolkit-btn success">复制翻译</button>
<button id="web-toolkit-translate-again" class="web-toolkit-btn secondary">重新翻译</button>
</div>
</div>
`;
// 绑定按钮事件
document.getElementById('web-toolkit-copy-translation').addEventListener('click', () => {
navigator.clipboard.writeText(translation).then(() => {
this.showNotification('翻译结果已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动复制');
});
});
document.getElementById('web-toolkit-translate-again').addEventListener('click', () => {
this.translateText();
});
this.showNotification('翻译完成！');
})
.catch(error => {
console.error('翻译错误:', error);
// 如果API失败，使用备用翻译服务
this.performBackupTranslation(text, targetLang)
.then(translation => {
result.innerHTML = `
<div style="border: 1px solid #ddd; padding: 15px; border-radius: 5px; background: #f9f9f9;">
<p><strong>原文：</strong></p>
<p style="margin-bottom: 15px; font-style: italic;">${text}</p>
<p><strong>翻译结果 (${targetLang}):</strong></p>
<p style="font-size: 1.1em; color: #333;">${translation}</p>
<p style="font-size: 0.9em; color: #666; margin-top: 10px;">使用备用翻译服务</p>
<div style="margin-top: 15px; display: flex; gap: 10px;">
<button id="web-toolkit-copy-translation" class="web-toolkit-btn success">复制翻译</button>
<button id="web-toolkit-translate-again" class="web-toolkit-btn secondary">重新翻译</button>
</div>
</div>
`;
// 绑定按钮事件
document.getElementById('web-toolkit-copy-translation').addEventListener('click', () => {
navigator.clipboard.writeText(translation).then(() => {
this.showNotification('翻译结果已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动复制');
});
});
document.getElementById('web-toolkit-translate-again').addEventListener('click', () => {
this.translateText();
});
this.showNotification('翻译完成！');
})
.catch(backupError => {
console.error('备用翻译也失败:', backupError);
// 如果所有翻译都失败，显示错误信息
result.innerHTML = `
<div style="color: #d32f2f; padding: 15px; border: 1px solid #ffcdd2; border-radius: 5px; background: #ffebee;">
<p><strong>翻译失败</strong></p>
<p>无法连接到翻译服务，请检查网络连接后重试。</p>
<p style="font-size: 0.9em; margin-top: 10px;">错误信息: ${error.message}</p>
<div style="margin-top: 15px;">
<button id="web-toolkit-translate-retry" class="web-toolkit-btn">重试</button>
<button id="web-toolkit-translate-offline" class="web-toolkit-btn secondary">离线翻译</button>
</div>
</div>
`;
// 绑定重试按钮
document.getElementById('web-toolkit-translate-retry').addEventListener('click', () => {
this.translateText();
});
// 绑定离线翻译按钮
document.getElementById('web-toolkit-translate-offline').addEventListener('click', () => {
this.performOfflineTranslation(text, targetLang);
});
this.showNotification('翻译服务连接失败');
});
});
}
// 执行翻译（主要翻译服务）
async performTranslation(text, targetLang) {
// 使用Google翻译API
const apiUrl = `https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=${targetLang}&dt=t&q=${encodeURIComponent(text)}`;
const response = await fetch(apiUrl);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
// 解析Google翻译响应
if (data && data[0] && Array.isArray(data[0])) {
const translation = data[0].map(item => item[0]).join('');
return translation;
} else {
throw new Error('Invalid translation response');
}
}
// 备用翻译服务
async performBackupTranslation(text, targetLang) {
// 使用Microsoft翻译API或其他免费翻译服务
const apiUrl = `https://api.mymemory.translated.net/get?q=${encodeURIComponent(text)}&langpair=auto|${targetLang}`;
const response = await fetch(apiUrl);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
if (data && data.responseData && data.responseData.translatedText) {
return data.responseData.translatedText;
} else {
throw new Error('Invalid translation response');
}
}
// 离线翻译（简单的字符映射）
performOfflineTranslation(text, targetLang) {
// 这是一个非常基础的离线翻译实现，仅用于演示
const result = document.getElementById('web-toolkit-translate-result');
// 简单的字符映射表（仅用于演示）
const basicTranslations = {
'hello': { 'zh': '你好', 'ja': 'こんにちは', 'ko': '안녕하세요' },
'world': { 'zh': '世界', 'ja': '世界', 'ko': '세계' },
'good': { 'zh': '好', 'ja': '良い', 'ko': '좋은' },
'thank you': { 'zh': '谢谢', 'ja': 'ありがとう', 'ko': '감사합니다' }
};
const lowerText = text.toLowerCase().trim();
let translation = text; // 默认返回原文
// 查找简单的翻译
for (const [english, translations] of Object.entries(basicTranslations)) {
if (lowerText.includes(english)) {
if (translations[targetLang]) {
translation = text.toLowerCase().replace(english, translations[targetLang]);
break;
}
}
}
result.innerHTML = `
<div style="border: 1px solid #ddd; padding: 15px; border-radius: 5px; background: #f9f9f9;">
<p><strong>原文：</strong></p>
<p style="margin-bottom: 15px; font-style: italic;">${text}</p>
<p><strong>离线翻译结果 (${targetLang}):</strong></p>
<p style="font-size: 1.1em; color: #333;">${translation}</p>
<p style="font-size: 0.9em; color: #666; margin-top: 10px;">⚠️ 离线翻译功能有限，仅支持基础词汇</p>
<div style="margin-top: 15px; display: flex; gap: 10px;">
<button id="web-toolkit-copy-translation" class="web-toolkit-btn success">复制翻译</button>
<button id="web-toolkit-translate-again" class="web-toolkit-btn secondary">重新翻译</button>
</div>
</div>
`;
// 绑定按钮事件
document.getElementById('web-toolkit-copy-translation').addEventListener('click', () => {
navigator.clipboard.writeText(translation).then(() => {
this.showNotification('翻译结果已复制到剪贴板！');
}).catch(() => {
this.showNotification('复制失败，请手动复制');
});
});
document.getElementById('web-toolkit-translate-again').addEventListener('click', () => {
this.translateText();
});
this.showNotification('离线翻译完成');
}
// 显示通知
showNotification(message) {
const notification = document.getElementById('web-toolkit-notification');
notification.textContent = message;
notification.style.display = 'block';
setTimeout(() => {
notification.style.display = 'none';
}, 3000);
}
}
// 初始化插件
new WebToolkit();
})();