增强动态增加Div效果
原来没有新建动作，分析代码后发现很容易增强~~
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>测试的拖拽功能</title>
<style type="text/css">
body, div { margin: 0; paading: 0; font-size: 12px; }
body { width:100%; margin: 0 auto; }
ul, li { margin: 0; padding: 0; list-style: none; }
.clear { clear: both; width: 1px; height: 0px; line-height: 0px; font-size: 1px; }
.drag_module_box { width: 600px; height: auto; margin: 25px 0 0 0; padding: 5px; border: 1px solid #f00; }
.drag_module_box1 { width: 600px; height: auto; margin: 25px 0 0 0; padding: 5px; border: 1px solid #f00; }
.drag_module_main { position: static; width: 600px; height: 80px; margin-bottom: 5px; border: 1px solid blue; background: #ccc; }
.drag_module_maindash { position: absolute; width: 600px; height: 80px; margin-bottom: 5px; border: 1px dashed blue; background: #ececec; opacity: 0.7; }
.drag_module_hide { width: 600px; height: 80px; margin-bottom: 5px; }
.drag_module_dash { position: sta;tic; width: 600px; height: 80px; margin-bottom: 5px; border: 1px dashed #f00; };
</style>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery.min.js">