Struts 往FieldErrror红点

<style type="text/css">
.welcome {
	background-color:#DDFFDD;
	border:1px solid #009900;
	width:200px;
}
.welcome li{ 
	list-style: none; 
}
</style>

<s:if test="hasActionMessages()">
   <div class="welcome">
      <s:actionmessage/>
   </div>
</s:if>



<style type="text/css">
.errors {
	background-color:#FFCCCC;
	border:1px solid #CC0000;
	width:400px;
	margin-bottom:8px;
}
.errors li{ 
	list-style: none; 
}
</style>

<s:if test="hasActionErrors()">
   <div class="errors">
      <s:actionerror/>
   </div>
</s:if>