一 action
package org.crazyit.app.action;
import com.opensymphony.xwork2.ActionSupport;
public class DemoAction extends ActionSupport
{
public String execute()
{
//添加两条Error信息
addActionError("第一条错误消息！");
addActionError("第二条错误消息！");
//添加两条普通信息
addActionMessage("第一条普通消息！");
addActionMessage("第二条普通消息！");
return SUCCESS;
}
}
二 视图
1 s-msg.jsp
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>使用s:actionerror和s:actionmessage标签生成错误提示</title>
<s:head/>
</head>
<body>
<s:action name="demo" executeResult="true"/>
</body>
</html>
2 demo.jsp
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>使用s:actionerror标签</title>
</head>
<body>
<s:actionerror/>
<s:actionmessage />
</body>
</html>
三 配置
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.i18n.encoding" value="GBK"/>
<package name="lee" extends="struts-default">
<!-- 定义一个简单的Action -->
<action name="demo" class="org.crazyit.app.action.DemoAction">
<result>/WEB-INF/content/demo.jsp</result>
</action>
<action name="*">
<result>/WEB-INF/content/{1}.jsp</result>
</action>
</package>
</struts>
四 测试