//为该元素打上上传标签
$("#mydrag .selectable>li").eq(selected_li_arr[i]).addClass("delete_flag")
$( ".drag_info_box").before(_group_li_);
}
}
$("#mydrag .selectable>li.delete_flag").remove();
$(".drag_info_box").remove();
$(this).sortable();
}
}).disableSelection();
});
</script>
</head>
<body>
<div id="mydrag" style="width:1200px;height: auto;">
<div class="col-sm-4" style="background: #eeeeee">
<ol class="selectable">
<li class="ui-widget-content">Item 1</li>
<li class="ui-widget-content">Item 2</li>
<li class="ui-widget-content">Item 3</li>
<li class="ui-widget-content">Item 4</li>
<li class="ui-widget-content">Item 5</li>
<li class="ui-widget-content">Item 6</li>
<li class="ui-widget-content">Item 7</li>
</ol>
</div>
<div class="col-sm-4" style="background: greenyellow">
<div class="sample-groups">
<div class="sample-group" style="min-height: 80px;">
<ol>
<li class="ui-state-highlight">Item 1</li>
<li class="ui-state-highlight">Item 2</li>
<li class="ui-state-highlight">Item 3</li>
<li class="ui-state-highlight">Item 4</li>
<li class="ui-state-highlight">Item 5</li>
</ol>
</div>
</div>
</div>
<div class="col-sm-4" style="background: green">
<div class="row">
<div style="background: #ffff00"></div>
<div class="col-sm-5" style="background: blue"></div>
<div class="col-sm-2" style="background: red"></div>
<div class="col-sm-5" style="background: purple"></div>
</div>
</div>
</div>
</body>
</html>
代码可用（没有写单选的释放效果，例子是目前的一个试验品，后续还要改成插件方式）。记录一下这两天的心得。主要是查找事件机制，整理思路和处理冲突问题花费了一定精力，得记上一笔。
