jQuery实现的跨容器无缝拖动效果代码

时间:2020-05-15 cherry 人气:0
本文实例讲述了jQuery实现的跨容器无缝拖动效果。分享给大家供大家参考，具体如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>New Web Project</title>
  <link type = "text/css" href = "jquery-ui.css" rel = "stylesheet"/>
  <style type = "text/css">
   .EZ_SITE{width:990px; position: relative; margin:0px auto; top:30px;}
   .EZ_SITE_HEADER{width:990px; position: absolute; height:80px; border:1px solid red;}
   .ez_site_border{position: absolute; width:100%; height:100%; background-color:#000;}
   .ez_site_background{position: absolute; width:100%; height:100%;background-color:#fff; margin:0px;}
   .EZ_SITE_PAGE{width:990px; height:500px; position: absolute;top:82px;border:1px solid blue;} 
   .ez_page_content{width:100%; height:100%; position: absolute;}
   .EZ_SITE_FOOTER{width:990px; position: absolute; height:80px; top:580px;border:1px solid green;}   
   #dragMe{
    position:absolute;
    top:100px;
    left:100px;
    width:100px;
    height:50px;
    border:1px solid green;
    line-height:50px;
    cursor:move;
    text-align: center;
    z-index:999;
    background:#008800;
   }
   .box{
    position:absolute;
    top:100px;
    left:300px;
    width:300px;
    height:200px;
    border:1px solid blue;
    line-height:200px;
    cursor:move;
    text-align: center;
    z-index:990;
    background:#ddd;
   }
  </style>
  <script type = "text/javascript" src = "jquery-1.7.1.min.js"> </script>
  <script type = "text/javascript" src="jquery-ui.js"> </script>
  <script type = "text/javascript">
   $(function(){
    var obj = {
       drop:function(e,ui){
        var handle = ui.helper,
         _left = handle.offset().left,
         _top = handle.offset().top,
         cleft = $(this).offset().left,
         ctop = $(this).offset().top;
        handle.appendTo($(this)).css({
         left:_left-cleft,
         top:_top-ctop
        });
       }
    }; 
    $("#addBox").click(function(){
     var $box = $('<div class = "box">box</div>');
     $box.appendTo($("#EZ_SITE_PAGE")).draggable().droppable(obj);
    })
    $("#dragMe,#box").draggable({
     containment:"#EZ_SITE"
    });
    $(".ez_page_content,#box").droppable(obj);
   })
  </script>
 </head>
 <body>
  <div id="EZ_SITE" class="EZ_SITE">
   <div id="EZ_SITE_HEADER" class="EZ_SITE_HEADER">
    <div class="ez_site_border">
     <div class="ez_site_background"></div>
    </div>
    <div class="ez_page_content">
     <div style="position: absolute; top:20px; left:30px;">这是一个网站标题</div>
     <div style="position: absolute; top:20px; left:300px;" class="mk-element-navigation">
      <a href="javascript:;" id="index">主页</a>
      <a href="javascript:;" id="product">产品</a>
     </div>
    </div>
   </div>
   <div id="EZ_SITE_PAGE" class="EZ_SITE_PAGE">
    <input type = "button" value = "添加容器" id = "addBox"/>
    <div class="ez_site_border" style="height:500px;">
     <div class="ez_site_background"></div>
    </div>
    <div id="index" class="ez_page_content" style="opacity: 1;" current="true">
     <div style="position: absolute; top:20px; left:30px; font-weight: bold;">这是一个主页面</div>
     <div id = "dragMe">dragMe</div>
    </div>
   </div>
   <div id="EZ_SITE_FOOTER" class="EZ_SITE_FOOTER">
    <div class="ez_site_border">
     <div class="ez_site_background"></div>
    </div>
    <div class="ez_page_content">
     <div style="position: absolute; top:20px; left:30px;">这里是页脚</div>
    </div>
   </div>
  </div>
 </body>
</html>
希望本文所述对大家jQuery程序设计有所帮助。
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