jquery自定义插件――window的实现【示例代码】

/*  * 实现功能：点击在鼠标位置显示div  * 版本序号：1.0  */(function($){   $.fn.showDIV = function(options){     var defaults = {};     var options = $.extend(defaults, options);     var showdiv=$(this);     var close, title, content;     close=$(" 

"); title=$(" "); content=$(" "); showdiv.html(""); showdiv.append(close); showdiv.append(title); showdiv.append(content); close.html("X"); title.html(options.title); content.html(options.content); showdiv.css("display","block"); showdiv.css("position","absolute"); showdiv.css("left",($(window).width()-options.width)/2+"px"); showdiv.css("top",($(window).height()-options.height)/2+"px"); showdiv.css("width",options.width); showdiv.css("height",options.height); close.bind("click",function(){ showdiv.css("display","none"); }); }; })(jQuery);

body div {   font-size:12px;   text-align:center; } #container {   background-color:#CCC;   border:1px solid #000;   width:1024px;   height:600px; } #showdiv {   background-color:#FF0;   width:100px;   height:100px;   display:none;   z-index:99; } .title {   padding:10px;   background:#F39;   font-weight:bold;   text-align:center;   color:#FFF; } .close {   margin:5px;   position:absolute;   right:0px;   top::0px;   padding:5px;   color:#000;   background:#FFF; } .close:hover {   cursor:pointer;   background:#CCC; } .content {   text-align:left;   padding:10px; }

<script type="text/javascript" src="jquery/jquery.min.js"></script> <script type="text/javascript" src="jquery/jquery.showdiv.js"></script> <script type="text/javascript">   $(document).ready(function (){      $('#show').bind("click", function(evt){       var showdiv = $('#showdiv').showDIV({         width:400,         height:200,         title:"我不是黄蓉",         content:"我不是黄蓉<BR>我不会武功<BR>我只要靖哥哥<BR>完美的爱情"      });     });   }); </script>    <INPUT id=show value=显示 type=button name=showDiv>