日期:2014-05-16  浏览次数:20421 次

javascript拖动小例子
<html>
  <head>
  <meta http-equiv="Content" content="text/html;chartset=utf-8">
  <title>test drag</title>
  <style type="text/css">
  <!--
  .drag {
  width:100px;
  height:100px;
  position:absolute;
  left:10px;
  top:10px;
  background-color:blue;
  }
  -->
  </style>
  <script type="text/javascript">
  <!--
  function drag(target,event)
  {
   var deltaX = event.clientX-parseInt(target.style.left);
   var deltaY = event.clientY-parseInt(target.style.top);
   
   document.attachEvent("onmousemove",movehandle);
   document.attachEvent("onmouseup",uphandle);
   function movehandle()
   {
   target.style.left = event.clientX-deltaX;
   target.style.top = event.clientY-deltaY;
   }
   function uphandle()
   {
   document.detachEvent("onmousemove",movehandle);
   document.detachEvent("onmouseup",uphandle);
   }
  }
  -->
  </script>
  </head>
  <body>
  <div id="drag1" class="drag" style="left:10px;top:10px;background-color:red;" onmousedown="drag(this,event);" >show me you 2</div>
  <div id="drag" class="drag" onmousedown="drag(this,event);" style="left:10px;top:10px;">show me you</div>
  </body>
</html>

?