rules: {
  email:{
  validator: function(value){
   return ...?$/i.test(value);
  },
  message: 'Please enter a valid email address.'
  },
  url: {
  validator: function(value){
   return ...?$/i.test(value);
  },
  message: 'Please enter a valid URL.'
  },
  length: {
  validator: function(value, param){
   var len = $.trim(value).length;
   return len >= param[0] && len <= param[1]
  },
  message: 'Please enter a value between {0} and {1}.'
  },
  remote: {
  validator: function(value, param){
   var data = {};
   data[param[1]] = value;
   var response = $.ajax({
   url:param[0],
   dataType:'json',
   data:data,
   async:false,
   cache:false,
   type:'post'
   }).responseText;
   return response == 'true';
  },
  message: 'Please fix this field.'
  }
 },

(function($) {
 /**
 * jQuery EasyUI 1.4 --- 功能扩展
 * 
 * Copyright (c) 2009-2015 RCM
 *
 * 新增 validatebox 校验规则
 *
 */
 $.extend($.fn.validatebox.defaults.rules, {
 idcard: {
  validator: function(value, param) {
  return idCardNoUtil.checkIdCardNo(value);
  },
  message: '请输入正确的身份证号码'
 },
 checkNum: {
  validator: function(value, param) {
  return /^([0-9]+)$/.test(value);
  },
  message: '请输入整数'
 },
 checkFloat: {
  validator: function(value, param) {
  return /^[+|-]?([0-9]+\.[0-9]+)|[0-9]+$/.test(value);
  },
  message: '请输入合法数字'
 }
 });
})(jQuery);

()/static/jseasyui/jquery.easyui.min.js" type="text/javascript" ></script>
<script src="#WEBROOT()/static/js/comm/easyui-extend-rcm.js" type="text/javascript"></script></span></pre>
<pre class="brush:java;"></pre>
然后在Html中如下引用即可，一定要加Class 和 data-options两个属性：<br>
<br>
<p></p><pre class="brush:java;"><pre name="code" class="<a href=" http:="" www.1sucai.cn="" kf="" qianduan="" css="" "="" target="_blank">html"><span style="font-size:18px;"><div id="dlg" class="easyui-dialog" style="width:300px; height:300px; vertical-align: middle;" closed="true" title="'添加中药'" buttons="#dlg-buttons">
 <div id="editForm" style="background:'';padding:20px;width:200px;height:200px; display:none;">
 <form id="form" method="post">
  <div style="padding-left:16px;padding-top:20px;" hidden="true">
  <input type="text" name="dlg_drugId" id="dlg_drugId" hidden="true">
  </div>
  <div style="padding-top:10px;padding-left:40px;">
  <label for="dlg_name">药物:</label>
  <input type="text" name="dlg_name" id="dlg_name" class="easyui-validatebox" readonly="readonly">
  </div>
  <div style="padding-top:10px;padding-left:40px;">
  <label for="dlg_price">单价:</label>
  <input type="text" name="dlg_price" id="dlg_price" <span="" style="color:#ff0000;">class="easyui-validatebox" data-options="required:true,validType:'checkFloat'" />
  </div>
  <div style="padding-top:10px;padding-left:40px;">
  <label for="dlg_purchase_price">进价:</label>
  <input type="text" name="dlg_purchase_price" id="dlg_purchase_price" <span="" style="color:#ff0000;">class="easyui-validatebox" data-options="validType:'checkFloat'" />
  </div>
  <div style="padding-top:10px;padding-left:40px;">
  <label for="dlg_stock">库存:</label>
  <input type="text" name="dlg_stock" id="dlg_stock" <span="" style="color:#ff0000;">class="easyui-validatebox" data-options="validType:'checkNum'" />
  </div>
  <div style="padding-top:10px;padding-left:40px;" align="center">
  <input type="button" value="保存" onclick="saveTCMDrugPublicMapped()" class="bt_style">
  </div>
 </form>
 </div>
</div></span></pre><br>
<br>
<p></p>
<pre class="brush:java;"></pre>
<p></p>
<h1>数据校验显示效果</h1>
<p>效果如下图所以：</p>
<p><img src="20150130/20150130084015121.png" alt="" style="width: 378px; height: 213px;"><br>
</p>   </pre>