语言切换组件
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.org/scripts/534967/1583188/langSwitcher.js
function createLangSwitcher(setValue, getValue) {
// 创建宿主元素
const container = document.createElement("div");
container.id = "langSwitcher";
// 创建 shadowRoot
const shadowRoot = container.attachShadow({ mode: "open" });
shadowRoot.innerHTML = ` <style>
/* 容器定位 */
.language-switcher {
position: fixed;
top: 80px;
right: 1px;
z-index: 1000;
}
/* 触发按钮样式 */
.trigger-btn {
display: flex;
align-items: center;
padding: 4px 6px;
background: #fff;
border: 1px solid #dcdfe6;
border-radius: 4px;
cursor: pointer;
transition: all 0.3s;
}
.trigger-btn:hover {
border-color: #c0c4cc;
background-color: #f5f7fa;
}
/* 语言图标设计 */
.lang-icon {
position: relative;
width: 24px;
height: 24px;
margin-right: 8px;
}
.lang-icon::before,
.lang-icon::after {
position: absolute;
content: "文";
font-size: 16px;
color: #606266;
}
.lang-icon::after {
content: "A";
font-size: 12px;
bottom: 2px;
right: 2px;
}
/* 下拉菜单样式 */
.dropdown-menu {
position: absolute;
top: 110%;
right: 0;
width: 100px;
background: #fff;
border: 1px solid #e4e7ed;
border-radius: 4px;
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
opacity: 0;
transform: translateY(-10px);
transition: all 0.3s ease;
visibility: hidden;
}
/* 滚动容器 */
.scroll-container {
max-height: 240px;
overflow-y: auto;
}
/* 菜单项样式 */
.menu-item {
display: flex;
align-items: center;
padding: 4px 6px;
color: #606266;
cursor: pointer;
transition: all 0.2s;
}
.menu-item:hover {
background-color: #f5f7fa;
}
/* 激活状态 */
.active .dropdown-menu {
opacity: 1;
transform: translateY(0);
visibility: visible;
}
</style>
</head>
<body>
<div class="language-switcher">
<div class="trigger-btn">
<div class="lang-icon"></div>
<span>中文</span>
</div>
<div class="dropdown-menu">
<div class="scroll-container"></div>
</div>
</div>
</body>
`;
const languages = [
{ lang: "ar", text: "阿拉伯语", play: true, abbr: "阿" },
{ lang: "pl", text: "波兰语", play: true, abbr: "波兰" },
{ lang: "da", text: "丹麦语", play: true, abbr: "丹麦" },
{ lang: "de", text: "德语", play: true, abbr: "德" },
{ lang: "ru", text: "俄语", play: true, abbr: "俄" },
{ lang: "fr", text: "法语", play: true, abbr: "法" },
{ lang: "fi", text: "芬兰语", play: true, abbr: "芬" },
{ lang: "ko", text: "韩语", play: true, abbr: "韩" },
{ lang: "nl", text: "荷兰语", play: true, abbr: "荷" },
{ lang: "cs", text: "捷克语", play: true, abbr: "捷克" },
{ lang: "pt", text: "葡萄牙语", play: true, abbr: "葡" },
{ lang: "ja", text: "日语", play: true, abbr: "日" },
{ lang: "sv", text: "瑞典语", play: true, abbr: "瑞典" },
{ lang: "th", text: "泰语", play: true, abbr: "泰" },
{ lang: "tr", text: "土耳其语", play: false, abbr: "土" },
{ lang: "es", text: "西班牙语", play: true, abbr: "西" },
{ lang: "hu", text: "匈牙利语", play: true, abbr: "匈" },
{ lang: "en", text: "英语", play: true, abbr: "英" },
{ lang: "it", text: "意大利语", play: true, abbr: "意" },
{ lang: "vi", text: "越南语", play: true, abbr: "越" },
{ lang: "zh-CHS", text: "中文", play: true, abbr: "中" },
];
class LanguageSwitcher {
constructor(data, containerSelector) {
this.data = data;
this.container = shadowRoot.querySelector(containerSelector);
this.triggerBtn = this.container.querySelector(".trigger-btn span");
this.menuContainer = this.container.querySelector(".scroll-container");
this.selectedLang = getValue("selectedLang", "zh-CHS");
this.init();
}
init() {
this.renderMenu();
this.setTriggerText();
this.bindEvents();
}
renderMenu() {
this.menuContainer.innerHTML = ""; // 清空原有内容
this.data.forEach((item) => {
if (!item.play) return;
const div = document.createElement("div");
div.className = "menu-item";
div.dataset.lang = item.lang;
div.textContent = item.text;
this.menuContainer.appendChild(div);
});
}
setTriggerText() {
const current = this.data.find((item) => item.lang === this.selectedLang);
this.triggerBtn.textContent = current ? current.abbr : "lang";
}
bindEvents() {
// 鼠标悬浮切换
this.container.addEventListener("mouseenter", () => {
this.container.classList.add("active");
});
this.container.addEventListener("mouseleave", () => {
this.container.classList.remove("active");
});
// 点击菜单项
this.menuContainer.addEventListener("click", (e) => {
if (e.target.classList.contains("menu-item")) {
const selectedLang = e.target.dataset.lang;
this.selectedLang = selectedLang;
setValue("selectedLang", selectedLang);
this.setTriggerText();
this.container.classList.remove("active");
}
});
}
}
new LanguageSwitcher(languages, ".language-switcher");
return container;
}