3.struts.xml文件配置
------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="bbb" extends="struts-default" namespace="">
<action name="user" class="com.hrh.web.UserAction">
<result name="success">user.jsp</result>
</action>
</package>
</struts>
--------------------------------
4.loginFilter.java文件
----------------------------------
package com.login;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class LoginFilter implements Filter
{
private static String[] excludeUrls;
public void destroy()
{
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest servletrequest,
ServletResponse servletresponse,
FilterChain filterchain)
throws IOException, ServletException
{
HttpServletRequest request = (HttpServletRequest)servletrequest;
HttpServletResponse response = (HttpServletResponse)servletresponse;
HttpSession session = request.getSession();
//验证用户请求登陆
if (excludeUrls != null)
{
String url = request.getRequestURI();
for (String u : excludeUrls)
{
if (u.equals(url))
{
filterchain.doFilter(servletrequest, servletresponse);
return;
}
}
}
//验证用户是否已登陆,如果未登登转发到登陆界面
String login = (String)session.getAttribute("login");
if (login == null || "".equals(login))
{
System.out.println("用户未登陆");
response.sendRedirect(request.getContextPath()+"mm/login.action");
}
//
filterchain.doFilter(servletrequest, servletresponse);
}
public void init(FilterConfig config)
throws ServletException
{
String str = config.getInitParameter("excute");
excludeUrls = str.split(",");
}
}
----------------------------------
structs2.0实战-2
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转载自hurunhui.iteye.com/blog/1018695
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