148 lines
3.7 KiB
HTML
148 lines
3.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>自定义右键菜单</title>
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<link rel="stylesheet" href="http://at.alicdn.com/t/font_2223989_98p80aj9eus.css">
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<link rel="stylesheet" href="./css/clear.css">
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<link rel="stylesheet" href="./css/index.css">
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</head>
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<body>
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<ul class="menu hidden">
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<li>
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<i class="iconfont icon-vue"></i>
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<span>Vue 文档</span>
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</li>
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<li>
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<i class="iconfont icon-react"></i>
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<span>React 文档</span>
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</li>
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<li>
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<i class="iconfont icon-angular"></i>
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<span>Angular 文档</span>
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</li>
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<li>
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<i class="iconfont icon-typescript"></i>
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<span>Typescript 文档</span>
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</li>
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<li>
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<i class="iconfont icon-shuaxin"></i>
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<span>刷新</span>
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</li>
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</ul>
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</body>
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<script>
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var body = $("body"),
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menu = $(".menu");
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var screenHeight = window.innerHeight,
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screenWidth = window.innerWidth;
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body.oncontextmenu = function (e) {
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// 对象解构赋值
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var { x, y } = e;
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if ((screenHeight - y < 240) && (screenWidth - x < 180)) {
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console.log("屏幕右下角");
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menu.style = `
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left: ${x - 180}px;
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top: ${y - 240}px;
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`
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// 鼠标在屏幕最下面
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} else if (screenHeight - y < 240) {
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console.log("鼠标在屏幕最下面");
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menu.style = `
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left: ${x}px;
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top: ${y - 240}px;
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`
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// 屏幕最右边
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} else if (screenWidth - x < 180) {
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console.log("屏幕最右边");
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menu.style = `
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left: ${x - 180}px;
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top: ${y}px;
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`
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// 中间方向，空间足够的情况下直接显示
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} else {
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menu.style = `
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left: ${x}px;
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top: ${y}px;
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`
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}
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menu.classList.remove("hidden")
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// 阻止浏览器弹出默认菜单
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return false;
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}
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// 当 body 区域被点击的时候，需要隐藏右键菜单
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body.onclick = function (e) {
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console.log("body被点击: ", e);
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hiddenMenu()
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}
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// 菜单里面的li被点击的时候
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_(".menu li").forEach((v, i) => {
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v.onclick = (e) => {
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// 阻止事件冒泡，从而触发父元素body上的点击事件
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e.stopPropagation()
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// 根据你点击的li标签跳转不同的页面
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switch (i) {
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case 0:
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open("https://cn.vuejs.org/")
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break;
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case 1:
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open("https://react.docschina.org/")
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break;
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case 2:
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open("https://angular.cn/")
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break;
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case 3:
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open("https://www.tslang.cn/")
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break;
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case 4:
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location.reload()
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break;
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default:
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break;
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}
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hiddenMenu()
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}
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})
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// 隐藏显示的右键菜单
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function hiddenMenu() {
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// 为menu菜单添加隐藏类名
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menu.classList.add("hidden")
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}
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// 获取单个标签
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function $(className) {
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return document.querySelector(className)
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}
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// 获取多个标签
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function _(className) {
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return document.querySelectorAll(className)
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}
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</script>
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</html> |