</html> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery弹出窗口</title> <meta name="keywords" /> <style type="text/css"> .window{ width:250px; background-color:#d0def0; position:absolute; padding:2px; margin:5px; display:none; } .content{ height:150px; background-color:#FFF; font-size:14px; overflow:auto; } .title{ padding:2px; color:#0CF; font-size:14px; } .title img{ float:right; } </style> <script type="text/javascript" src="jquery-1.7.1.min.js"></script> <script type="text/javascript" language="javascript"> $(document).ready(function () { $("#btn_center").click(function () { popCenterWindow(); }); $("#btn_right").click(function () { popRightWindow(); }); $("#btn_left").click(function () { popLeftWindow(); }); }); </script> </head> <body> <div style="600px;margin-left:auto;margin-right:auto;margin-top:160px;"> <input type="button" value="居中窗口" id="btn_center" /> <input type="button" value="居左下角" id="btn_left" /> <input type="button" value="居右下角" id="btn_right" /> </div> <div class="window" id="center"> <div id="title" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居中窗口</div> <div class="content">jihua.cnblogs.com</div> </div> <div class="window" id="left"> <div id="title2" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居左窗口</div> <div class="content">jihua.cnblogs.com</div> </div> <div class="window" id="right"> <div id="title3" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居右窗口</div> <div class="content">jihua.cnblogs.com</div> </div> <script type="text/javascript"> //获取窗口的高度 var windowHeight; //获取窗口的宽度 var windowWidth; //获取弹窗的宽度 var popWidth; //获取弹窗高度 var popHeight; function init(){ windowHeight=$(window).height(); windowWidth=$(window).width(); popHeight=$(".window").height(); popWidth=$(".window").width(); } //关闭窗口的方法 function closeWindow(){ $(".title img").click(function(){ $(this).parent().parent().hide("slow"); }); } //定义弹出居中窗口的方法 function popCenterWindow(){ init(); //计算弹出窗口的左上角Y的偏移量 var popY=(windowHeight-popHeight)/2; var popX=(windowWidth-popWidth)/2; //alert('jihua.cnblogs.com'); //设定窗口的位置 $("#center").css("top",popY).css("left",popX).slideToggle("slow"); closeWindow(); } function popLeftWindow(){ init(); //计算弹出窗口的左上角Y的偏移量 var popY=windowHeight-popHeight; //var popX=-(windowWidth-popWidth); //alert(popY); //设定窗口的位置 $("#left").css("top",popY-50).css("left",50).slideToggle("slow"); closeWindow(); } function popRightWindow(){ init(); //计算弹出窗口的左上角Y的偏移量 var popY=windowHeight-popHeight; var popX=windowWidth-popWidth; //alert(www.cnblogs.com/jihua); //设定窗口的位置 $("#right").css("top",popY-50).css("left",popX-50).slideToggle("slow"); closeWindow(); } </script> </body> </html>