將Google搜尋結果改為僅限於目標語言
// ==UserScript==
// @name G-搜尋結果語言在地化
// @name:en G-LangLoc
// @name:ja G-検索結果言語ローカライズ
// @name:ko G-검색 결과 언어 로컬라이제이션
// @name:fr G-Localisation des résultats de recherche
// @name:es G-Localización de resultados de búsqueda
// @name:de G-Suchergebnisse-Lokalisierung
// @name:uk G-Локалізація результатів пошуку
// @name:it G-Localizzazione dei risultati di ricerca
// @name:pt G-Localização dos resultados de pesquisa
// @name:ar G-توطين نتائج البحث
// @name:th G-การแปลผลการค้นหา
// @name:hi G-खोज परिणाम स्थानीयकरण
// @name:nl G-Lokalisatie van zoekresultaten
// @description 將Google搜尋結果改為僅限於目標語言
// @description:en Restrict Google search results to the target language
// @description:ja Google検索結果をターゲット言語に限定する
// @description:ko Google 검색 결과를 목표 언어로 제한
// @description:fr Limiter les résultats de recherche Google à la langue cible
// @description:es Restringir los resultados de búsqueda de Google al idioma objetivo
// @description:de Google-Suchergebnisse auf die Zielsprache beschränken
// @description:uk Обмежити результати пошуку Google цільовою мовою
// @description:it Limita i risultati di ricerca di Google alla lingua target
// @description:pt Restringir os resultados de pesquisa do Google ao idioma-alvo
// @description:ar تقييد نتائج بحث Google باللغة المستهدفة
// @description:th จำกัดผลการค้นหาของ Google ไว้ที่ภาษาเป้าหมาย
// @description:hi Google खोज परिणामों को लक्ष्य भाषा तक सीमित करें
// @description:nl Google-zoekresultaten beperken tot de doeltaal
// @icon https://www.google.com/favicon.ico
// @match https://www.google.com/search*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @version 1.0.2
// @author Max
// @namespace https://github.com/Max46656
// @license MPL2.0
// ==/UserScript==
class LanguageManager {
constructor() {
// 使用 'use strict' 確保嚴格模式
'use strict';
// 初始化預設語言和自動應用狀態
this._selectedLang = GM_getValue('selectedLang', 'lang_zh-TW');
this._autoApply = GM_getValue('autoApply', true);
this.init();
}
_languages = {
'lang_zh-TW': '繁體中文 (Traditional Chinese)',
'lang_en': 'English',
'lang_ja': '日本語 (Japanese)',
'lang_ko': '한국어 (Korean)',
'lang_fr': 'Français (French)',
'lang_es': 'Español (Spanish)',
'lang_de': 'Deutsch (German)',
'lang_uk-UA': 'українська мова (Ukrainian)',
'lang_it': 'Italiano (Italian)',
'lang_pt': 'Português (Portuguese)',
'lang_ar': 'العربية (Arabic)',
'lang_th': 'ไทย (Thai)',
'lang_hi': 'हिन्दी (Hindi)',
'lang_nl': 'Nederlands (Dutch)'
};
_selectedLang;
_autoApply;
init() {
this._applyLanguage();
this._initToggleSwitch();
GM_registerMenuCommand('自動切換開關', () => this._toggleAutoApply());
GM_registerMenuCommand('選擇語言', () => this._selectLanguage());
}
_selectLanguage() {
let langPrompt = '可用語言：\n' + Object.entries(this._languages).map(([code, name], index) => `${index + 1}. ${name}`).join('\n');
let choice = prompt(`${langPrompt}\n\n輸入您偏好的語言編號 (1-${Object.keys(this._languages).length})：`);
let index = parseInt(choice) - 1;
let langKeys = Object.keys(this._languages);
if (index >= 0 && index < langKeys.length) {
let oldLang = this._selectedLang;
this._selectedLang = langKeys[index];
GM_setValue('selectedLang', this._selectedLang);
alert(`語言已設為 ${this._languages[this._selectedLang]}`);
// 若自動應用啟用，更新網址
if (this._autoApply) {
let url = window.location.href;
url = this._removeLangFromUrl(url, oldLang);
url = this._addLangToUrl(url, this._selectedLang);
if (url !== window.location.href) {
window.location.href = url;
}
}
} else {
alert('無效的選擇，請重試。');
}
}
_addLangToUrl(url, lang) {
let langParam = `lr=${lang}`;
if (!url.includes(`lr=`)) {
// 若無 lr 參數，新增 ?lr=<lang> 或 &lr=<lang>
return url.includes('?') ? url + `&${langParam}` : url + `?${langParam}`;
} else if (!url.includes(lang)) {
// 若 lr 存在，追加 %7C<lang>
// %7C => |
return url.replace(/lr=([^&]*)/, `lr=$1%7C${lang}`);
}
return url;
}
_removeLangFromUrl(url, lang) {
let langParam = `lr=${lang}`;
let pipeLangStart = `lr=${lang}%7C`;
let pipeLangMiddleOrEnd = `%7C${lang}`;
// 語言在開頭且後面有 %7C 其他語言
if (url.includes(pipeLangStart)) {
return url.replace(new RegExp(`lr=${lang}%7C`), 'lr=');
}
// 語言在中間或結尾
else if (url.includes(pipeLangMiddleOrEnd)) {
let newUrl = url.replace(new RegExp(`%7C${lang}((%7C)|(&|$))`, 'g'), '$1');
// 如果移除後 lr= 變空，移除整個 lr= 參數
if (newUrl.includes('lr=&') || newUrl.match(/lr=$/)) {
newUrl = newUrl.replace(/lr=[^&]*(&|$)/, '');
}
return newUrl;
}
// 語言為獨立的 lr=<lang>
else if (url.includes(`&${langParam}`)) {
return url.replace(`&${langParam}`, '');
} else if (url.includes(`?${langParam}`)) {
return url.replace(`${langParam}`, '');
}
return url;
}
_toggleAutoApply() {
this._autoApply = !this._autoApply;
GM_setValue('autoApply', this._autoApply);
let url = window.location.href;
if (this._autoApply) {
url = this._addLangToUrl(url, this._selectedLang);
} else {
url = this._removeLangFromUrl(url, this._selectedLang);
}
if (url !== window.location.href) {
window.location.href = url;
}
alert(`自動應用語言現為 ${this._autoApply ? '啟用' : '禁用'}`);
}
_applyLanguage() {
if (this._autoApply) {
let url = window.location.href;
if (!url.includes(this._selectedLang)) {
url = this._addLangToUrl(url, this._selectedLang);
if (url !== window.location.href) {
window.location.href = url;
}
}
}
}
_initToggleSwitch() {
// 尋找 div.RNNXgb 及其母元素
const searchBar = document.querySelector('div.crJ18e');
if (!searchBar) return;
const parent = searchBar.parentElement;
if (!parent) return;
const toggleContainer = document.createElement('div');
toggleContainer.style.margin = '5px 250px 5px 0';
toggleContainer.style.display = 'flex';
toggleContainer.style.alignItems = 'center';
toggleContainer.style.gap = '20px';
const label = document.createElement('span');
label.textContent = '';
label.style.fontSize = '14px';
label.style.color = '#333';
const toggleSwitch = document.createElement('div');
toggleSwitch.className = 'onoffswitch';
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.className = 'onoffswitch-checkbox';
checkbox.id = 'LangLocSwitch';
checkbox.tabIndex = 0;
checkbox.checked = this._autoApply;
const toggleLabel = document.createElement('label');
toggleLabel.className = 'onoffswitch-label';
toggleLabel.htmlFor = 'LangLocSwitch';
const style = document.createElement('style');
style.textContent = `
.onoffswitch {
position: relative;
width: 60px;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
}
.onoffswitch-checkbox {
position: absolute;
opacity: 0;
pointer-events: none;
}
.onoffswitch-label {
display: block;
overflow: hidden;
cursor: pointer;
height: 10px;
padding: 0;
line-height: 20px;
border: 0px solid #FFFFFF;
border-radius: 20px;
background-color: #9E9E9E;
transition: background-color 0.4s;
}
.onoffswitch-label:before {
content: "";
display: block;
width: 20px;
margin: -5px;
background: #FFFFFF;
position: absolute;
top: 0;
bottom: 0;
right: 45px;
border-radius: 30px;
box-shadow: 0 6px 12px 0px #757575;
transition: right 0.4s;
}
.onoffswitch-checkbox:checked + .onoffswitch-label {
background-color: #42A5F5;
}
.onoffswitch-checkbox:checked + .onoffswitch-label,
.onoffswitch-checkbox:checked + .onoffswitch-label:before {
border-color: #42A5F5;
}
.onoffswitch-checkbox:checked + .onoffswitch-label:before {
right: 0px;
background-color: #EA4335;
box-shadow: 3px 6px 6px 0px rgba(0, 0, 0, 0.2);
}
`;
toggleSwitch.appendChild(checkbox);
toggleSwitch.appendChild(toggleLabel);
toggleContainer.appendChild(label);
toggleContainer.appendChild(toggleSwitch);
document.head.appendChild(style);
parent.insertBefore(toggleContainer, searchBar.nextSibling);
checkbox.addEventListener('change', () => {
this._autoApply = checkbox.checked;
GM_setValue('autoApply', this._autoApply);
let url = window.location.href;
if (this._autoApply) {
url = this._addLangToUrl(url, this._selectedLang);
} else {
url = this._removeLangFromUrl(url, this._selectedLang);
}
if (url !== window.location.href) {
window.location.href = url;
}
});
}
_updateToggleSwitch() {
const checkbox = document.querySelector('.onoffswitch-checkbox');
if (checkbox) {
checkbox.checked = this._autoApply;
}
}
}
new LanguageManager();