使用原生HTML/CSS/JS来实现右键菜单，支持二级菜单，支持窗口边沿自动调整位置，源码下载资源-CSDN下载

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html：1个

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右键菜单源码.zip （2个子文件）

效果演示.url 113B

右键菜单.html 6KB

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>右键菜单</title>  <link rel="stylesheet" type="text/css" href="//at.alicdn.com/t/c/font_4453355_yizetjv4jeo.css" /> <style> html, body { margin: 0; overflow: hidden; width: 100%; } #test-area { border: 1px solid black; width: 100%; height: 100vh; background-color: #333333; display: flex; align-items: center; justify-content: center; } .menu { width: 200px; display: flex; flex-direction: column; position: absolute; border: 1px solid gray; background-color: #333333; color: white; border-radius: 4px; font-size: 14px; } .menu>ul { list-style: none; padding: 0; margin: 0; } .menu>ul>li { padding: 10px; cursor: pointer; } .menu>ul>li:hover { background-color: #1A6CE7; } hr { margin: 0; border: 1px solid gray; } .submenu { padding: 0; left: 200px; margin-top: -32px; position: absolute; display: none; } .link { display: flex; align-items: center; justify-content: space-between; } .iconfont { font-size: 14px; padding-right: 5px; } .tip { font-size: 40px; color: gray; } </style> </head> <body>  <div id="test-area"> <div class="tip"> 点击右键查看效果 </div> </div>  <div class="menu" id="right-menu" hidden> <ul> <li><i class="iconfont icon-chakan1"></i>查看详情</li> <li><i class="iconfont icon-chakanziduan"></i>打开表字段提示</li> <hr /> <li><i class="iconfont icon-chakansql"></i>在SQL编辑器查看数据</li> <li><i class="iconfont icon-a-Property1shengchengshuju"></i>生成测试数据</li> <li><i class="iconfont icon-jurassic_export-data"></i>导出数据</li> <li><i class="iconfont icon-jurassic_import-data"></i>导入数据</li> <li><i class="iconfont icon-shujuqianyi_huaban"></i>数据迁移</li> <li><i class="iconfont icon-biaogeduibi"></i>表结构对比</li> <hr /> <li id="generate-sql"> <div class="link"> <span><i class="iconfont icon-shengchengSQL"></i>生成SQL</span> <span>></span> </div> <div class="submenu menu" id="right-menu2"> <ul> <li>查找</li> <li>插入</li> <li>更新</li> <li>删除</li> <li>DDL</li> </ul> </div> </li> <li id="copy"> <div class="link"> <span><i class="iconfont icon-fuzhi"></i>复制</span> <span>></span> </div> <div class="submenu menu" id="right-menu3"> <ul> <li>Insert语句</li> <li>CVS语句</li> </ul> </div> </li> <li><i class="iconfont icon-shanchu"></i>删除</li> <li><i class="iconfont icon-zhongmingming"></i>重命名</li> <hr /> <li><i class="iconfont icon-shuaxin"></i>刷新</li> </ul> </div> <script> //获取窗口内部大小 var width = window.innerWidth; var height = window.innerHeight; //用于重新计算窗口大小 window.addEventListener('resize', ()=>{ width = window.innerWidth; height = window.innerHeight; }) //默认隐藏右键菜单 hiddenRightMenu('right-menu'); document.getElementById("test-area").addEventListener('contextmenu', (e) => { e.preventDefault(e); //覆盖原生右键事件 showRightMenu(e, 'right-menu'); //显示菜单 }) document.getElementById("test-area").addEventListener('click', (e) => { hiddenRightMenu('right-menu'); }) function showRightMenu(e, id) { var rightMenu = document.getElementById(id); if(e.clientY + 520 >= height){ rightMenu.style.top = (height - 530) + "px"; }else{ rightMenu.style.top = e.clientY + "px"; } if(e.clientX + 200 >= width){ rightMenu.style.left = (width - 400) + "px"; }else{ rightMenu.style.left = e.clientX + "px"; } // rightMenu.style.left = e.clientX + "px"; // rightMenu.style.top = e.clientY + "px"; rightMenu.style.display = 'block'; } function hiddenRightMenu(id) { document.getElementById(id).style.display = 'none'; } //二级菜单事件 document.getElementById('generate-sql').addEventListener('mouseover', (e) => { document.getElementById('right-menu2').style.display = 'block'; }) document.getElementById('generate-sql').addEventListener('mouseout', (e) => { document.getElementById('right-menu2').style.display = 'none'; }) document.getElementById('copy').addEventListener('mouseover', (e) => { document.getElementById('right-menu3').style.display = 'block'; }) document.getElementById('copy').addEventListener('mouseout', (e) => { document.getElementById('right-menu3').style.display = 'none'; }) </script> </body> </html>

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