这是一款十分简洁漂亮的HTML5弹出对话框效果，基于jQuery来实现，引入了jquery1.6.2库。
本效果描述：用鼠标点击一下右上角的小图标，会弹出一个层对话框，里面可以提交留言、评论之类的。
运行效果截图如下：
具体代码如下：
<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery对话框-时尚漂亮</title> <style> *{margin: 0;padding: 0;} body{font-family: Arial, Tahoma, sans-serif;} h1{font-family: Helvetica, Arial, Verdana, sans-serif;color: #444;font-weight: bold;font-size: 1.7em;line-height: 1.2em;} h3{font-family: Georgia, Helvetica, sans-serif;color: #898989;font-weight: normal;font-style: italic;font-size: 1.3em;line-height: 1.0em;margin-bottom: 10px;} h4{font-size: 0.9em;text-transform: uppercase;} br{display: block;clear: both;position: relative;} .break{display: block;height: 20px;} #wrap{display: block;padding-top: 30px;width: 800px;margin: 0 auto;} #left{width: 160px;float: left;display: block;margin-right: 15px;} #right{width: 350px;float: left;display: block;} .usrava{padding: 5px;border: 1px solid #ddd;} input[type="text"], input[type="password"], textarea, select{outline: none;} #msgform{width: 330px;background: #faf7e3;border: 8px solid #f0ecd0;-moz-border-radius: 6px;-webkit-border-radius: 6px;border-radius: 6px;padding: 4px 14px;top: -1px;z-index: 9;} .mainCompose{display: inline;} .msgInput{border: 1px solid #d8d5bb;border-top-color: #b1ae99;-moz-border-radius: 3px;-webkit-border-radius: 3px;border-radius: 3px;width: 290px;font-size: 15px;color: #727167;padding: 4px 7px;font-family: Arial, Tahoma, sans-serif;} .msgField{border: 1px solid #d8d5bb;border-top-color: #b1ae99;-moz-border-radius: 3px;-webkit-border-radius: 3px;border-radius: 3px;width: 290px;color: #a4a39c;color: #727167;font-size: 15px;padding: 5px 9px;font-family: Arial, Tahoma, sans-serif;height: 140px;margin-bottom: 20px;} #composebtn img{cursor: pointer;} #tofield{margin-bottom: 1px;} .containmsg{margin-left: 50px;display: block;float: right;position: relative;} .containmsg .mainCompose{position: absolute;left: -33px;top: 20px;} .recipient{display: block;padding: 3px 7px;text-decoration: none;font-family: Arial, Helvetica, sans-serif;font-size: 11px;font-weight: bold;background: #eae7d1;-moz-border-radius: 3px;-webkit-border-radius: 3px;border-radius: 3px;color: #949286;} .recipient: hover{color: #75746a;} .userslist{display: inline;list-style: none;padding: 0;margin-bottom: 5px;position: relative;top: 10px;margin-left: 2px;} .userslist li{float: left;} #tofield: focus, #mymsg: focus{box-shadow: 0px 0px 7px #007eff;} #msgform label{display: inline;color: #827f6a;font-size: 14px;font-weight: bold;font-family: "Trebuchet MS", Arial, sans-serif;margin-bottom: 4px;} .calloutUp{height: 0;width: 0;border-bottom: 12px solid #f0ecd0;border-left: 12px dotted transparent;border-right: 12px dotted transparent;left: 0px;top: 0px;margin-left: 30px;z-index: 10;} .calloutUp2{position: relative;left: -12px;top: 8px;border-bottom: 12px solid #faf7e3;border-left: 12px dotted transparent;border-right: 12px solid transparent;z-index: 11;} p#errortxt{margin-top: -15px;font-size: 0.7em;font-style: italic;color: #555;margin-bottom: 10px;} .sendbtn{display: inline-block;outline: none;margin-bottom: 12px;cursor: pointer;font-family: Arial, Helvetica, sans-serif;font-weight: bold;font-size: 12px;color: #827f6a;padding: 7px 12px;border: 1px solid #cac8bb;-moz-border-radius: 3px;-webkit-border-radius: 3px;border-radius: 3px;border-top-color: #dddac3;text-shadow: 0px 0px 1px rgba(97,97,93,.3);-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);background: #f6f5ea;background: -webkit-gradient(linear, left top, left bottom, from(#f9f9f3), to(#f5f4e6));background: -moz-linear-gradient(top, #f9f9f3, #f5f4e6);filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#f9f9f3', endColorstr='#f5f4e6');} .sendbtn: hover{background: #fff;background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#fbfbf5));background: -moz-linear-gradient(top, #fff, #fbfbf5);filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#fff', endColorstr='#fbfbf5');color: #93928d;} .clearfix: after{content: ".";display: block;clear: both;visibility: hidden;line-height: 0;height: 0;} .clearfix{display: inline-block;} html[xmlns] .clearfix{display: block;} * html .clearfix{height: 1%;} </style> <script type="text/javascript" src="https://www.jb51.net/jquery-1.6.2.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $(".mainCompose").hide(); $('.loader').hide(); $('#errortxt').hide(); $('.compose').click(function() { $('.mainCompose').slideToggle(); }); $('.sendbtn').click(function(e) { e.preventDefault(); $('.sendbtn').hide(); $('.loader').show(); if($('#mymsg').val() == "") { $('#errortxt').show(); $('.sendbtn').show(); $('.loader').hide(); } else { $('sendbtn').hide(); $('.loader').show(); $('#errortxt').hide(); var formQueryString = $('#sendprivatemsg').serialize(); finalSend(); } function finalSend() { $('.mainCompose').delay(1000).slideToggle('slow', function() { $('#composeicon').addClass('sent').removeClass('compose').hide(); $('#composebtn').append('<img src="https://img.jbzj.com/file_images/article/201508/201587174202745.png" />'); }); } }); }); </script> </head> <body> <div> <div> <section> <img src="https://img.jbzj.com/file_images/article/201508/201587174059293.png" alt="Jake's Avatar" /> </section> <section> <!-- begin modal msg box --> <div> <p><img src="https://img.jbzj.com/file_images/article/201508/201587174136207.gif" alt="compose" /></p> <div> <div> <div> </div> </div> <div> <form action="#" method="post"> <label for="tofield">To</label> <ul> <li><a href="#" target="_blank">Jake Rocheleau</a></li> </ul> <div></div> <label for="mymsg">Message</label> <textarea></textarea> <p>**Enter some text!</p> <div><a>Send Message</a><img src="https://img.jbzj.com/file_images/article/201508/201587174222306.gif" /></div> </form> </div> </div> </div> <!-- @end modal --> <h1>Jake Rocheleau</h1> <h3>blogger and freelance web designer.</h3> </section> </div> </div> </body> </html>