Jquery UI 放置（Droppable） - 接受

使用 accept 选项指定目标 droppable 接受哪一个元素（或元素组）。

我是不能被放置的 draggable

请拖拽我到目标

accept: '#draggable'

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置（Droppable） - 接受</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.9.1.js"></script>
  <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
  <style>
  #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
  #draggable, #draggable-nonvalid { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  </style>
  <script>
  $(function() {
    $( "#draggable, #draggable-nonvalid" ).draggable();
    $( "#droppable" ).droppable({
      accept: "#draggable",
      activeClass: "ui-state-hover",
      hoverClass: "ui-state-active",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="draggable-nonvalid" class="ui-widget-content">
  <p>我是不能被放置的 draggable</p>
</div>
 
<div id="draggable" class="ui-widget-content">
  <p>请拖拽我到目标</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>accept: '#draggable'</p>
</div>
 
 
</body>
</html>

放置（Droppable） - 接受

源代码