loginfilter.java

主要是会员注册

package com.tq.struts.filter;

import java.io.IOException;

import javax.mail.search.StringTerm;
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 {

	public void destroy(){

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest httpServletRequest=(HttpServletRequest)request;
		HttpServletResponse httpServletResponse=(HttpServletResponse)response;
		
		HttpSession session=httpServletRequest.getSession();
		String uriString=httpServletRequest.getRequestURI();
		String userName=(String)session.getAttribute("userName");
		String patString=httpServletRequest.getContextPath();
		if(userName!=null||
				uriString.endsWith("/login.do")||
				//uriString.endsWith("forward.do")||
				uriString.endsWith("/header.do")||
				uriString.endsWith("/footer.do")||
				uriString.endsWith("jpg")||
				//uriString.endsWith("/index.jsp")||
			    uriString.endsWith("/login.jsp")||
			    uriString.endsWith(patString+"/")){
			chain.doFilter(request,response);
			
		}else {
			httpServletResponse.sendRedirect(patString+"/form/login.jsp");
			
		}
		

	}

	public void init(FilterConfig arg0) throws ServletException {
		

	}

}