突出显示网页上的特定单词
// ==UserScript==
// @name 高亮特定文字
// @namespace http://tampermonkey.net/
// @version 0.20
// @description 突出显示网页上的特定单词
// @author niweizhuan
// @match *://*/*
// @icon data:image/svg+xml;charset=utf-8;base64,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
// @license MIT
// @grant none
// ==/UserScript==
(function() {
'use strict';
//配置------------------------------------------------
// 默认配置
const defaultConfig = {
searchWords: ['example1', 'example2', 'example3'],
highlightColor: '#ffff00'
};
// 获取配置
function getConfig() {
const config = localStorage.getItem('highlightConfig');
return config ? JSON.parse(config) : defaultConfig;
}
// 保存配置
function saveConfig(config) {
localStorage.setItem('highlightConfig', JSON.stringify(config));
}
//设置窗口--------------------------------------------
// 设置窗口是否打开
var isSettingsOpen = false;
// 打开设置界面
function openSettings() {
if (isSettingsOpen) return;
isSettingsOpen = true;
const config = getConfig();
const overlay = document.createElement('div');
overlay.id = 'highlightOverlay';
overlay.style = `position: fixed;left: 0;top: 0;width: 100%;height: 100%;background-color: rgba(0, 0, 0, 0.5);z-index: 1000;`;
const settingsDiv = document.createElement('div');
settingsDiv.id = 'highlightSettings';
settingsDiv.style = `
position: fixed;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
padding: 2vw;
background-color: white;
border: 0.1vw solid #ccc;
border-radius: 0.5vw;
z-index: 1001;
box-shadow: 0vw 0vh 1vw rgba(0, 0, 0, 0.5);
max-width: 80%;max-height: 80%;
overflow-y: auto;
transition: opacity 0.3s;
font-size: 1vw;
`;
// 响应式样式
const styleElement = document.createElement('style');
styleElement.innerHTML = `
/* 适配手机和小屏设备 */
@media (max-width: 600px) {
#highlightSettings {width: 70vw; /* 更宽的区域适配窄屏手机 */height: auto;max-height: 90vh;padding: 5vw;}
h2 {font-size: 5vw; /* 增大标题字体适配手机屏幕 */}
label {font-size: 3vw; /* 高亮颜色标签的字体适配手机 */}
.wordBlock {padding: 1.5vw;margin: 1vw;font-size: 2vw; /* 更大的字体适配触摸操作 */}
#highlightColor {width: 5;height: 3vh;}
button {font-size: 2.5vw;padding: 1vw 1vw; /* 增加按钮的尺寸 */}
}
/* 适配平板和大屏设备 */
@media (min-width: 601px) and (max-width: 1024px) {
#highlightSettings {width: 50vw;max-height: 80vh;}
h2 {font-size: 3vw; /* 中等屏幕设备上的字体大小 */}
label {font-size: 2vw; /* 高亮颜色标签的字体适配手机 */}
.wordBlock {padding: 0.75vw;margin: 0.75vw;font-size: 2vw;}
#highlightColor {width: 10vw;height: 3vh;}
button {font-size: 1.5vw;padding: 0.5vw 1vw;}
}
/* 适配大屏设备（如桌面电脑） */
@media (min-width: 1025px) {
#highlightSettings {width: 25vw; /* 较窄的区域适配宽屏设备 */max-height: 40vh;}
h2 {font-size: 1.5vw; /* 适合电脑的标题字体大小 */}
.wordBlock {padding: 0.2vw;margin: 0.2vw;font-size: 1.5vw; /* 较小的字体和按钮适配鼠标操作 */}
#highlightColor {width: 5vw;height: 4vh;}
button {font-size: 1vw;padding: 0.4vw 0.4;}
}
`;
document.head.appendChild(styleElement);
settingsDiv.innerHTML = `
<h2 style="user-select: none;color: black">高亮设置</h2>
<div id="wordBlocks" style="display: flex; flex-wrap: wrap; max-height: 15vh; overflow-y: auto; margin-bottom: 1vw; border: 0.1vw solid #ccc;">
${config.searchWords.map(word => `<div class="wordBlock" style="cursor: pointer;user-select: none;border: 0.1vw solid #ccc;color: black">${word}</div>`).join('')}
</div>
<div style="margin-bottom: 2vw;">
<label for="highlightColor" style="user-select: none;color: black">高亮颜色: </label>
<input type="color" id="highlightColor" value="${config.highlightColor}" style="font-size: 3vw;border: none;appearance: none;padding: 0; margin: 0;">
</div>
<button id="newWord" style="user-select: none;color: black;border: 0.1vw solid ＃FF0000">新建</button>
<button id="editWord" style="user-select: none;color: black;border: 0.1vw solid ＃FF0000">编辑</button>
<button id="deleteWord" style="user-select: none;color: black;border: 0.1vw solid ＃FF0000">删除</button>
<button id="saveSettings" style="user-select: none;color: black;border: 0.1vw solid ＃FF0000">保存</button>
`;
document.body.appendChild(settingsDiv);
document.body.appendChild(settingsDiv);
document.body.appendChild(settingsDiv);
document.body.appendChild(settingsDiv);
document.body.appendChild(settingsDiv);
overlay.appendChild(settingsDiv);
document.body.appendChild(overlay);
let selectedWordBlock = null;
const wordBlocks = document.getElementsByClassName('wordBlock');
Array.from(wordBlocks).forEach(block => {
block.onclick = function() {
if (selectedWordBlock) {
selectedWordBlock.style.backgroundColor = '';
}
selectedWordBlock = this;
selectedWordBlock.style.backgroundColor = '#d3d3d3';
};
block.ontouchstart = function() {
if (selectedWordBlock) {
selectedWordBlock.style.backgroundColor = '';
}
selectedWordBlock = this;
selectedWordBlock.style.backgroundColor = '#d3d3d3';
};
});
const newWordButton = document.getElementById('newWord');
const editWordButton = document.getElementById('editWord');
const deleteWordButton = document.getElementById('deleteWord');
const saveSettingsButton = document.getElementById('saveSettings');
// 新建单词块处理
function handleNewWord() {
const newWord = prompt('请输入新的高亮文本:');
if (newWord) {
config.searchWords.push(newWord.trim());
saveConfig(config);
document.body.removeChild(overlay);
isSettingsOpen = false;
openSettings();
}
}
// 编辑单词块处理
function handleEditWord() {
if (selectedWordBlock) {
const editedWord = prompt('编辑高亮文本：', selectedWordBlock.textContent);
if (editedWord) {
const index = config.searchWords.indexOf(selectedWordBlock.textContent);
if (index !== -1) {
config.searchWords[index] = editedWord.trim();
saveConfig(config);
document.body.removeChild(overlay);
isSettingsOpen = false;
openSettings();
}
}
} else {
alert('请先选择一个单词块进行编辑');
}
}
// 删除单词块处理
function handleDeleteWord() {
if (selectedWordBlock) {
const index = config.searchWords.indexOf(selectedWordBlock.textContent);
if (index !== -1) {
config.searchWords.splice(index, 1);
saveConfig(config);
document.body.removeChild(overlay);
isSettingsOpen = false;
openSettings(); // 重新打开设置界面以反映删除后的状态
}
} else {
alert('请先选择一个单词块进行删除');
}
}
// 保存设置处理
function handleSaveSettings() {
config.highlightColor = document.getElementById('highlightColor').value;
saveConfig(config);
document.body.removeChild(overlay);
isSettingsOpen = false;
// Reapply highlights across all frames
highlightOnAllFrames();
const oldButtonContainer = document.getElementById('floatButtonContainer');
if (oldButtonContainer) {
oldButtonContainer.remove();
}
createFloatButton();
}
// 绑定按钮事件
newWordButton.onclick = handleNewWord;
newWordButton.ontouchstart = handleNewWord;
editWordButton.onclick = handleEditWord;
editWordButton.ontouchstart = handleEditWord;
deleteWordButton.onclick = handleDeleteWord;
deleteWordButton.ontouchstart = handleDeleteWord;
saveSettingsButton.onclick = handleSaveSettings;
saveSettingsButton.ontouchstart = handleSaveSettings;
overlay.onclick = (event) => {
if (event.target === overlay) {
document.body.removeChild(overlay);
isSettingsOpen = false;
}
};
}
// 判断颜色是否过暗
function isColorTooDark(color) {
const c = color.substring(1); // 去掉 '#'
const rgb = parseInt(c, 16); // 转换为整数
const r = (rgb >> 16) & 0xff; // 提取红色部分
const g = (rgb >> 8) & 0xff; // 提取绿色部分
const b = (rgb >> 0) & 0xff; // 提取蓝色部分
const luma = 0.299 * r + 0.587 * g + 0.114 * b; // 计算亮度
return luma < 50; // 亮度阈值，可以根据需要调整
}
//悬浮球----------------------------------------------
// 创建悬浮按钮
function createFloatButton() {
if (window.self !== window.top) return;
let isDragging = false;
let startY, initialTop;
let moved = false;
let hideTimeout;
const hideDelay = 1000; // 1秒未操作则隐藏
const visibleLeft = '1vw'; // 弹出时的位置
let isHidden = false; // 标记按钮是否处于隐藏状态
let isAnimating = false; // 标记按钮是否正在动画中
const config = getConfig();
// 创建悬浮球按钮容器
const floatButtonContainer = document.createElement('div');
floatButtonContainer.style.position = 'fixed';
floatButtonContainer.style.left = '0';
floatButtonContainer.style.top = '1vw';
floatButtonContainer.style.zIndex = '9999';
floatButtonContainer.style.width = 'auto';
floatButtonContainer.style.height = 'auto';
// 创建Shadow DOM
const shadow = floatButtonContainer.attachShadow({ mode: 'open' });
floatButtonContainer.id = 'floatButtonContainer';
// 创建悬浮球按钮
const floatButton = document.createElement('div');
floatButton.style.cssText = `
min-width: 8vw; /* 确保悬浮球的最小宽度 */
min-height: 2vw; /* 确保悬浮球的最小高度 */
background-color: ${config.highlightColor};
background-size: cover;
background-position: center;
cursor: pointer;
border-radius: 0.5vw;
box-shadow: 0px 0px 1vw rgba(0, 0, 0, 0.5);
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
padding: 0;
transition: top 0.3s ease, left 0.3s ease;
white-space: nowrap; /* 防止文本换行 */
text-overflow: ellipsis; /* 添加省略号以防文本过长 */
`;
// 根据颜色亮度调整文字颜色
if (isColorTooDark(config.highlightColor)) {
floatButton.innerHTML = `
<div style="
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
user-select: none; /* 禁止文字被选中 */
">
<div class="container" style="display: flex; align-items: center; justify-content: center; height: 100%; width: 100%;">
<div class="left" style="padding-right: 5px; font-size: 12px; color: white;">设置高亮文本</div>
<div class="line" style="width: 1px; height: 20px; background-color: white;"></div>
<div class="right" style="padding-left: 5px; font-size: 12px; color: white;">
<div class="rotate-text" style="transform: rotate(90deg);">Aa</div>
</div>
</div>
</div>
`;
} else {
floatButton.innerHTML = `
<div style="
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
user-select: none; /* 禁止文字被选中 */
">
<div class="container" style="display: flex; align-items: center; justify-content: center; height: 100%; width: 100%;">
<div class="left" style="padding-right: 5px; font-size: 12px; color: black;">设置高亮文本</div>
<div class="line" style="width: 1px; height: 20px; background-color: black;"></div>
<div class="right" style="padding-left: 5px; font-size: 12px; color: black;">
<div class="rotate-text" style="transform: rotate(90deg);">Aa</div>
</div>
</div>
</div>
`;
}
shadow.appendChild(floatButton);
document.body.appendChild(floatButtonContainer);
// 显示设置界面
function showSettings() {
openSettings();
}
// 点击处理
function handleClick() {
if (!isDragging && !moved && !isHidden && !isAnimating) {
showSettings();
}
}
// 计算隐藏后的left值
function calculateHiddenLeft() {
const buttonWidth = floatButtonContainer.offsetWidth;
return `-${(buttonWidth * 0.78)}px`; // 隐藏78%宽度
}
// 鼠标事件处理
floatButton.addEventListener('mousedown', (e) => {
if (isHidden || isAnimating) return; // 隐藏或动画状态下不允许拖动
clearTimeout(hideTimeout); // 停止隐藏计时器
isDragging = true;
moved = false;
startY = e.clientY;
initialTop = floatButtonContainer.offsetTop;
e.preventDefault();
});
document.addEventListener('mousemove', (e) => {
if (isDragging) {
const deltaY = e.clientY - startY;
let newTop = Math.max(0, Math.min(initialTop + deltaY, window.innerHeight - floatButtonContainer.offsetHeight));
floatButtonContainer.style.top = `${newTop}px`;
if (Math.abs(deltaY) > 5) {
moved = true;
}
e.preventDefault();
}
resetHideTimer(); // 任何鼠标移动都重置隐藏计时器
});
document.addEventListener('mouseup', () => {
if (isDragging) {
isDragging = false;
if (!moved) {
handleClick();
}
resetHideTimer(); // 拖动结束后重置隐藏计时器
}
});
// 触摸事件处理
floatButton.addEventListener('touchstart', (e) => {
if (isHidden || isAnimating) {
if (isHidden) {
beginAnimation(); // 开始恢复动画
floatButtonContainer.style.left = visibleLeft;
isHidden = false;
clearTimeout(hideTimeout); // 停止隐藏计时器
}
e.preventDefault();
return;
}
clearTimeout(hideTimeout); // 停止隐藏计时器
isDragging = true;
moved = false;
const touch = e.touches[0];
startY = touch.clientY;
initialTop = floatButtonContainer.offsetTop;
e.preventDefault();
});
document.addEventListener('touchmove', (e) => {
if (isDragging && !isHidden && !isAnimating) {
const touch = e.touches[0];
const deltaY = touch.clientY - startY;
let newTop = Math.max(0, Math.min(initialTop + deltaY, window.innerHeight - floatButtonContainer.offsetHeight));
floatButtonContainer.style.top = `${newTop}px`;
if (Math.abs(deltaY) > 5) {
moved = true;
}
e.preventDefault();
}
resetHideTimer(); // 任何触摸移动都重置隐藏计时器
});
document.addEventListener('touchend', (e) => {
if (isDragging && !isHidden && !isAnimating) {
isDragging = false;
if (!moved) {
handleClick();
}
if (moved) {
e.preventDefault();
}
resetHideTimer(); // 触摸结束后重置隐藏计时器
}
});
floatButton.addEventListener('mouseenter', () => {
if (isHidden && !isAnimating) {
beginAnimation(); // 开始恢复动画
floatButtonContainer.style.left = visibleLeft; // 鼠标悬停时弹出按钮
isHidden = false;
}
clearTimeout(hideTimeout); // 停止隐藏计时器
});
floatButton.addEventListener('mouseleave', () => {
resetHideTimer();
});
floatButton.addEventListener('click', (e) => {
handleClick();
e.preventDefault();
});
// 重置隐藏计时器
function resetHideTimer() {
clearTimeout(hideTimeout);
hideTimeout = setTimeout(() => {
beginAnimation(); // 开始隐藏动画
floatButtonContainer.style.left = calculateHiddenLeft(); // 隐藏按钮
isHidden = true;
}, hideDelay);
}
// 开始动画
function beginAnimation() {
isAnimating = true;
floatButton.style.pointerEvents = 'none'; // 禁用按钮点击事件
floatButtonContainer.style.transition = 'left 0.3s ease, transform 0.3s ease'; // 确保应用了左转换和变换转换
setTimeout(endAnimation, 300); // 300ms后恢复交互
}
// 结束动画
function endAnimation() {
isAnimating = false;
floatButton.style.pointerEvents = 'auto'; // 恢复按钮点击事件
}
resetHideTimer();
}
//高亮逻辑--------------------------------------------
// 正则表达式缓存
let regexCache = {};
// 使用缓存获取正则表达式
function getCombinedRegex(searchWords) {
const key = searchWords.join('|'); // 用关键词数组生成缓存key
if (!regexCache[key]) {
regexCache[key] = new RegExp(`(${searchWords.map(escapeRegExp).join('|')})`, 'gi');
}
return regexCache[key];
}
// 批量高亮文本
function highlightTextInBatches(textNodes, searchWords, highlightColor, batchSize = 100) {
const combinedRegex = getCombinedRegex(searchWords);
let index = 0;
function processBatch() {
const batch = textNodes.slice(index, index + batchSize);
batch.forEach(node => {
let nodeText = node.nodeValue;
let newHtml = nodeText.replace(combinedRegex, `<mark style="background-color: ${highlightColor};">$1</mark>`);
if (newHtml !== nodeText && node.parentNode) { // 仅在内容变更时操作 DOM
const newNode = document.createElement('span');
newNode.innerHTML = newHtml;
node.parentNode.replaceChild(newNode, node);
}
});
index += batchSize;
if (index < textNodes.length) {
setTimeout(processBatch, 0); // 使用 setTimeout 分批次处理，防止卡顿
}
}
processBatch(); // 启动批量处理
}
// 清除高亮
function clearAllHighlights(container = document.body) {
const highlightedElements = Array.from(container.querySelectorAll('mark'));
let index = 0;
const batchSize = 50;
function processBatch(deadline) {
while (index < highlightedElements.length && deadline.timeRemaining() > 0) {
const fragment = document.createDocumentFragment();
const batch = highlightedElements.slice(index, index + batchSize);
batch.forEach(element => {
const textNode = document.createTextNode(element.textContent);
fragment.appendChild(textNode);
element.parentNode.replaceChild(fragment, element);
});
index += batchSize;
}
if (index < highlightedElements.length) {
requestIdleCallback(processBatch); // 继续处理剩余的批次
}
}
requestIdleCallback(processBatch); // 启动批量处理
}
// 递归清除嵌套页面中的高亮
function clearAllHighlightsInFrames(doc = document) {
return new Promise((resolve) => {
const highlightedElements = Array.from(doc.querySelectorAll('mark'));
let index = 0;
const batchSize = 50;
function processBatch(deadline) {
while (index < highlightedElements.length && deadline.timeRemaining() > 0) {
const fragment = document.createDocumentFragment();
const batch = highlightedElements.slice(index, index + batchSize);
batch.forEach(element => {
const textNode = document.createTextNode(element.textContent);
fragment.appendChild(textNode);
element.parentNode.replaceChild(fragment, element);
});
index += batchSize;
}
if (index < highlightedElements.length) {
requestIdleCallback(processBatch);// 继续处理
} else {
resolve();// 完成后，去除promise
}
}
requestIdleCallback(processBatch);// 开始批量处理
});
}
// 转义正则表达式中的特殊字符
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // 转义正则表达式特殊字符
}
// 递归高亮嵌套的 iframe 内容
function highlightOnAllFrames(doc = document) {
highlightOnPage(doc); // 对当前页面进行高亮处理
// 获取当前文档中的所有iframe
const iframes = doc.getElementsByTagName('iframe');
for (let i = 0; i < iframes.length; i++) {
try {
const iframeDocument = iframes[i].contentDocument || iframes[i].contentWindow.document;
if (iframeDocument) {
// 递归调用每个iframe的函数进行高亮
highlightOnAllFrames(iframeDocument);
}
} catch (error) {
console.error("访问iframe内容时出错: ", error);
}
}
}
// 获取文本节点
function getTextNodes(node) {
const textNodes = [];
const walker = document.createTreeWalker(node, NodeFilter.SHOW_TEXT, null, false);
let currentNode;
while ((currentNode = walker.nextNode())) {
textNodes.push(currentNode);
}
return textNodes;
}
// 页面上高亮
function highlightOnPage(doc = document) {
clearAllHighlightsInFrames(doc).then(() => {
const body = doc.body;
const config = getConfig();// 获取配置设置
const textNodes = getTextNodes(body);
highlightTextInBatches(textNodes, config.searchWords, config.highlightColor);
});
}
//启动------------------------------------------------
createFloatButton();
highlightOnPage();
})();
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