✅请先到【扩展管理】中打开【开发人员模式】才能正常使用！✨划词后朗读并在鼠标停留区域时显示翻译卡片，鼠标离开划词范围立即关闭悬浮翻译并清除划词缓存，单词、句子都能翻译,仅支持英文朗读。API接口为：iciba 和 Google 接口！不推荐在国内使用，API响应稍慢!
// ==UserScript==
// @name 划词翻译-增强版
// @namespace https://wobshare.us.kg
// @author wob
// @version 2.1
// @description ✅请先到【扩展管理】中打开【开发人员模式】才能正常使用！✨划词后朗读并在鼠标停留区域时显示翻译卡片，鼠标离开划词范围立即关闭悬浮翻译并清除划词缓存，单词、句子都能翻译,仅支持英文朗读。API接口为：iciba 和 Google 接口！不推荐在国内使用，API响应稍慢!
// @match *://*/*
// @exclude *://www.google.com/search*
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// @connect dict.iciba.com
// @connect translate.googleapis.com
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// ✅ 提前预加载语音，解决后续朗读卡顿问题
let voiceReady = false;
let cachedVoices = [];
function preloadVoices() {
cachedVoices = speechSynthesis.getVoices();
if (cachedVoices.length) voiceReady = true;
}
speechSynthesis.onvoiceschanged = () => {
cachedVoices = speechSynthesis.getVoices();
if (cachedVoices.length) voiceReady = true;
};
preloadVoices();
// ✅ 样式注入
GM_addStyle(`
.translate-tooltip {
position: absolute;
background: linear-gradient(135deg, #4A90E2, #007AFF);
color: #fff;
padding: 10px 14px;
border-radius: 12px;
font-size: 15px;
max-width: 360px;
box-shadow: 0 4px 12px rgba(0,0,0,0.25);
white-space: pre-line;
font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial;
pointer-events: auto;
}
#translate-tooltip-0 { z-index: 9999; }
#translate-tooltip-1 { z-index: 9998; }
`);
let selectionBox = null;
document.addEventListener('mouseup', () => {
const text = window.getSelection().toString().trim();
if (!text || text.length > 200) return;
const range = window.getSelection().getRangeAt(0);
const rect = range.getBoundingClientRect();
selectionBox = rect;
speakViaBrowser(text);
fetchIciba(text, rect, () => fetchGoogleWithTimeout(text, rect));
document.addEventListener('mousemove', strictMouseLeaveCheck);
});
// ✅ 浏览器语音朗读
function speakViaBrowser(text) {
if (!voiceReady) return;
const voice = cachedVoices.find(v => v.lang === 'en-US') || cachedVoices[0];
if (!voice) return;
const utter = new SpeechSynthesisUtterance(text);
utter.voice = voice;
utter.lang = voice?.lang || 'en-US';
speechSynthesis.cancel();
speechSynthesis.speak(utter);
}
// ✅ iciba 翻译
function fetchIciba(word, rect, callback) {
if (!/^[a-zA-Z\s]+$/.test(word)) {
callback?.();
return;
}
GM_xmlhttpRequest({
method: 'GET',
url: `https://dict.iciba.com/dictionary/word/suggestion?word=${encodeURIComponent(word)}&nums=1`,
onload: res => {
try {
const data = JSON.parse(res.responseText);
const defs = data.message?.[0]?.paraphrase || '无翻译结果';
showTooltip('📘 iciba词典：\n' + defs, rect, 0, callback);
} catch {
showTooltip('📘 iciba解析失败', rect, 0, callback);
}
},
onerror: () => showTooltip('📘 iciba请求失败', rect, 0, callback)
});
}
// ✅ Google 翻译（带超时）
function fetchGoogleWithTimeout(word, rect) {
let responded = false;
const timeout = setTimeout(() => {
if (!responded) {
responded = true;
showTooltip('🌍 Google请求超时', rect, 1);
}
}, 2000);
GM_xmlhttpRequest({
method: 'GET',
url: `https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=zh-CN&dt=t&q=${encodeURIComponent(word)}`,
onload: res => {
if (responded) return;
responded = true;
clearTimeout(timeout);
try {
const result = JSON.parse(res.responseText);
const translated = result[0][0][0];
showTooltip('🌍 Google翻译：\n' + translated, rect, 1);
} catch {
showTooltip('🌍 Google解析失败', rect, 1);
}
},
onerror: () => {
if (!responded) {
responded = true;
clearTimeout(timeout);
showTooltip('🌍 Google请求失败', rect, 1);
}
}
});
}
// ✅ 显示卡片，支持上下动态定位
function showTooltip(text, rect, index, callback = null) {
const id = `translate-tooltip-${index}`;
removeTooltip(id);
const tip = document.createElement('div');
tip.className = 'translate-tooltip';
tip.id = id;
tip.innerText = text;
document.body.appendChild(tip);
// 初始定位
tip.style.left = `${rect.left + window.scrollX}px`;
tip.style.top = `${rect.bottom + window.scrollY + 10}px`;
// 动态定位第二个卡片
setTimeout(() => {
if (index === 0) {
tip.dataset.height = tip.offsetHeight;
callback?.();
}
if (index === 1) {
const prev = document.getElementById('translate-tooltip-0');
const prevHeight = prev ? prev.offsetHeight : 0;
const offset = rect.bottom + window.scrollY + 10 + prevHeight + 10;
tip.style.top = `${offset}px`;
}
}, 10);
}
// ✅ 鼠标一旦离开划词区域 → 移除卡片并清除划词缓存
function strictMouseLeaveCheck(e) {
if (!selectionBox) return;
const { left, right, top, bottom } = selectionBox;
const buffer = 5;
const inArea =
e.pageX >= left + window.scrollX - buffer &&
e.pageX <= right + window.scrollX + buffer &&
e.pageY >= top + window.scrollY - buffer &&
e.pageY <= bottom + window.scrollY + buffer;
if (!inArea) {
removeTooltip('translate-tooltip-0');
removeTooltip('translate-tooltip-1');
document.removeEventListener('mousemove', strictMouseLeaveCheck);
// ✅ 清除划词缓存
selectionBox = null;
if (window.getSelection) {
window.getSelection().removeAllRanges(); // 取消选中高亮
}
}
}
function removeTooltip(id) {
const el = document.getElementById(id);
if (el) el.remove();
}
})();