Complete example of jquery drag and drop effect (with demo source code download)

Complete example of jquery drag and drop effect (with demo source code download)_jquery

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Release： 2016-05-16 15:20:05

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The example in this article describes the drag-and-drop effect implemented by jquery. Share it with everyone for your reference, the details are as follows:

The screenshot of the running effect is as follows:

Click here to view the online demonstration .

The specific code is as follows:

html part:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script type="text/javascript" src="jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="tuo.js"></script>
<script type="text/javascript">
 $(function(){
  $("#box").tuoz();
 })
</script>
<style type="text/css">
 *{
  margin:0px;
  padding:0px;
 }
 #box{
  height:100px;
  width:100px;
  background:#666666;
 }
 #box img{
  height:50px;
  width:50px;
  background:#666666;
 }
 #big{
  height:400px;
  width:300px;
  background:purple;
 }
</style>
</head>
<body>
 <div id="box"><img src="http://www.baidu.com/img/baidu_sylogo1.gif"></img></div>
 <div id="big"></div>
</body>
</html>

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jquery part:

(function(){
 $.fn.extend({
  tuoz:function(){
  return this.each(function(){
    var $this=$(this);
    var ey="";
    var ex="";
    var mx="";
    var my="";
    var tx="";
    var ty="";
    var small_x="";
    var small_y="";
    var big_height="";
    var big_width="";
    var big_x="";
    var big_y="";
    var move="false";
    $this.mousedown(function(e){
     move="true";
     mx=$this.offset().left;
     my=$this.offset().top;
     ex=e.clientX;
     ey=e.clientY;
     tx=ex-mx;
     ty=ey-my;
     small_x=$("#big").offset().left;
     small_y=$("#big").offset().top;
     big_height=$("#big").height();
     big_width=$("#big").width();
     big_x=small_x+big_width;
     big_y=small_y+big_height;
     })
    $(document).mousemove(function(e){
      ex=e.clientX;
      ey=e.clientY;
      if(move=="true"){
      $this.offset({left:ex-tx,top:ey-ty});
      }
      })
    $this.mouseup(function(e){
      move=false;
      ex=e.clientX;
      ey=e.clientY;
      if(ex>=small_x && ey>=small_y && ex<=big_x && ey<=big_y){
    $("#big").append($this.html());
    }
      $this.offset({left:mx,top:my});
      })
    })
  }
  })
})(jQuery)

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Click here for the complete example codeDownload from this site.

Readers who are interested in more content related to jQuery special effects and techniques can check out this site's special topic: "A summary of common classic special effects in jQuery"

I hope this article will be helpful to everyone in jQuery programming.