indext.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>test</title>
</head>
<body>
<a href="aaa_bbb.action">aaa_bbb.jsp</a>
</body>
</html>package com.tre.filter;
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.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
/**
* Servlet Filter implementation class FileterDis
*/
@WebFilter("*.action")
public class FileterDis implements Filter {
public FileterDis() {
}
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest)request;
String url =req.getRequestURI();
String path = null;
System.out.print(url);
if(url.equals("/test/aaa_bbb.action")){
path = "/aaa_bbb.jsp";
req.getRequestDispatcher(path).forward(request, response);
return;
}
chain.doFilter(request, response);
}
public void init(FilterConfig fConfig) throws ServletException {
}
}
aaa_bbb.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
aaa_bbb.jsp
</body>
</html>
原文：http://blog.csdn.net/u012079603/article/details/42772357