<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title></title></head><body><!--在文章内添加 selected-article ID--><div id="selectedArticle"> <p>欢迎来到脚本之家...</p> <p>脚本之家是国内专业的网站建设资源、脚本编程学习类网站...</p> <p>提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料...</p></div><script type="text/javascript" src="jquery-1.7.2.min.js"></script><script type="text/javascript">document.writeln("<style>");document.writeln(".tooltip {width:219px;height:33px;background:url(bg-wenzi.png) no-repeat left top;}");document.writeln(".tooltip a {width:219px;height:33px;display:block;}");document.writeln("</style>");$(function () { //将该id下的文章，鼠标选中松开后弹窗 $("#selectedArticle").mouseup(function (e) { var x = 10; var y = 10; var r = ""; if (document.selection) { r = document.selection.createRange().text; } else if (window.getSelection()) { r = window.getSelection(); } if (r!= "") { var bowen = " "; var tooltip = "<div id=‘tooltip‘ class=‘tooltip‘><a href=‘###‘ target=‘_blank‘>" + bowen + "</a></div>"; $("body").append(tooltip); $("#tooltip").css({ "top": (e.pageY + y) + "px", "left": (e.pageX + x) + "px", "position": "absolute" }).show("fast"); } }).mousedown(function () { $("#tooltip").remove(); });});</script></body></html>原文：http://www.cnblogs.com/sjqq/p/6361505.html