页面右键 – 有爱前端

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>jQuery | Contextmenu Snippet</title>  <style type="text/css"> * { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } html, body { margin: 0; padding: 0; background: #DCE775; font-family: 'Merriweather', serif; } h1 { position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); -o-transform: translate(-50%, -50%); transform: translate(-50%, -50%); padding: 1em; font-size: 2em; letter-spacing: .3em; color: #FFFFFF; text-align: center; border-top: 2px solid #E6EE9C; border-bottom: 2px solid #E6EE9C; } .contextmenu { display: none; position: absolute; width: 200px; margin: 0; padding: 0; background: #FFFFFF; border-radius: 5px; list-style: none; box-shadow: 0 15px 35px rgba(50,50,90,0.1), 0 5px 15px rgba(0,0,0,0.07); overflow: hidden; z-index: 999999; } .contextmenu li { border-left: 3px solid transparent; transition: ease .2s; } .contextmenu li a { display: block; padding: 10px; color: #B0BEC5; text-decoration: none; transition: ease .2s; } .contextmenu li:hover { background: #CE93D8; border-left: 3px solid #9C27B0; } .contextmenu li:hover a { color: #FFFFFF; } </style> </head> <body> <h1>Right click!</h1> <ul class="contextmenu"> <li><a href="http://www.gzui.net/" target="_blank">Simple link</a></li> <li><a href="http://www.gzui.net/" target="_blank">Link to somewhere</a></li> <li><a href="http://www.gzui.net/" target="_blank">Another link</a></li> <li><a href="javascript:void(0);">Link to nowhere</a></li> <li><a href="http://bbs.tianya.cn/post-16-1660057-1.shtml" target="_blank">Random link</a></li> </ul>   </body> <script src="http://cdn.bootcss.com/jquery/1.11.0/jquery.min.js"></script> <script type="text/javascript"> /* =============================================================== Hi! Welcome to my little playground! My name is Tobias Bogliolo. 'Open source' by default and always 'responsive', I'm a publicist, visual designer and frontend developer based in Barcelona. Here you will find some of my personal experiments. Sometimes usefull, sometimes simply for fun. You are free to use them for whatever you want but I would appreciate an attribution from my work. I hope you enjoy it. =============================================================== */ $(document).ready(function(){ //Show contextmenu: $(document).contextmenu(function(e){ //Get window size: var winWidth = $(document).width(); var winHeight = $(document).height(); //Get pointer position: var posX = e.pageX; var posY = e.pageY; //Get contextmenu size: var menuWidth = $(".contextmenu").width(); var menuHeight = $(".contextmenu").height(); //Security margin: var secMargin = 10; //Prevent page overflow: if(posX + menuWidth + secMargin >= winWidth && posY + menuHeight + secMargin >= winHeight){ //Case 1: right-bottom overflow: posLeft = posX - menuWidth - secMargin + "px"; posTop = posY - menuHeight - secMargin + "px"; } else if(posX + menuWidth + secMargin >= winWidth){ //Case 2: right overflow: posLeft = posX - menuWidth - secMargin + "px"; posTop = posY + secMargin + "px"; } else if(posY + menuHeight + secMargin >= winHeight){ //Case 3: bottom overflow: posLeft = posX + secMargin + "px"; posTop = posY - menuHeight - secMargin + "px"; } else { //Case 4: default values: posLeft = posX + secMargin + "px"; posTop = posY + secMargin + "px"; }; //Display contextmenu: $(".contextmenu").css({ "left": posLeft, "top": posTop }).show(); //Prevent browser default contextmenu. return false; }); //Hide contextmenu: $(document).click(function(){ $(".contextmenu").hide(); }); }); </script> </html>

提示：你可以先修改部分代码再运行。

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