<title>jQuery UI 拖动（Draggable） - 对齐到元素或网格</title>
<link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
<script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
<link rel="stylesheet" href="jqueryui/style.css">
.draggable { width: 90px; height: 80px; padding: 5px; float: left; margin: 0 10px 10px 0; font-size: .9em; } .ui-widget-header p, .ui-widget-content p { margin: 0; } #snaptarget { height: 140px; } $( "#draggable" ).draggable({ snap: true }); $( "#draggable2" ).draggable({ snap: ".ui-widget-header" }); $( "#draggable3" ).draggable({ snap: ".ui-widget-header", snapMode: "outer" }); $( "#draggable4" ).draggable({ grid: [ 20, 20 ] }); $( "#draggable5" ).draggable({ grid: [ 80, 80 ] });<div id="snaptarget" class="ui-widget-header">
<div id="draggable" class="draggable ui-widget-content">
<p>默认（snap: true），对齐到所有其他的 draggable 元素</p>
<div id="draggable2" class="draggable ui-widget-content">
<div id="draggable3" class="draggable ui-widget-content">
<div id="draggable4" class="draggable ui-widget-content">
<div id="draggable5" class="draggable ui-widget-content">