html代码如下：3处红色部分，我想让<s:form>中的submit方法对应一个<s:submit>按钮，而另一个<s:submit>按钮不去执行<s:form>中的submit方法，应该怎么做？大侠救救我
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'addCategory.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link rel="stylesheet" type="text/css" href="css/manage.css">
<s:head/>
<script type="text/javascript" src="js/test.js"></script>
<script type="text/javascript">
djConfig = {
isDebug: false,
parseOnLoad: true
};
</script>
<script type="text/javascript" src="js/dojo/dojo.js">
</script>
<script>
//验证
function checkform(){
var isPass = true;
if(!(checkData.isEmptySpan("diretetile")&&checkData.trim("diretetile") && checkData.filterStrSpan('diretetile','#$%$'))) {
isPass = false;
}
if(!(checkData.isEmptySpan("isAuthor") && checkData.filterStrSpan('isAuthor','#$%$'))) {
isPass = false;
}
//检查url
if(!(checkData.isEmptySpan("isURL") && checkData.isURLSpan('isURL'))){
isPass = false;
}
//selectitem1
if(!(checkData.isNumSpan('selectitem1'))){
isPass = false;
}
return isPass;
}
</script>
</head>
<body>
<div class="myform">
<h1 class="myli">目录修改页面</h1>
<s:form action="submitDirectory.action" method="POST" onsubmit="return checkform();">
<p></p>
<input type="hidden" name="dire.uuid" value='<s:property value="dire.uuid"/>'/>
<tr>
<td><lable class="mylable">目录名称:</lable></td>
<td><s:textfield name="dire.title" cssClass="myinput" id="diretetile" theme="simple"/></td><br/>
</tr>
<tr>
<td><lable class="mylable">目录链接: </lable></td>