java過濾器不管用_我寫的過濾器為什麼不起作用啊？求高手指點，萬分感謝

webcontent目錄下的jsp:

pageEncoding="utf-8"%>

html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

Insert title here

姓名：

ename：

送出

servlet包裡面的Servlet1：

package servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import org.apache.catalina.Session;

@WebServlet("/Servlet1")

public class Servlet1 extends HttpServlet {

private static final long serialVersionUID = 1L;

public Servlet1() {

super();

// TODO Auto-generated constructor stub

}

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

//response.setContentType("text/html;charset=utf-8");

//request.setCharacterEncoding("utf-8");

PrintWriter out=response.getWriter();

String info=request.getParameter("name");

String ename=request.getParameter("ename");

out.println(info);

out.println(ename);

out.close();

}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

doGet(request, response);

}

}

filter包裡面的：

package filter;

import java.io.IOException;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.Map;

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;

@WebFilter("/EncodingFilter")

public class EncodingFilter implements Filter {

private String encoding;

public void destroy() {

// TODO Auto-generated method stub

System.out.println("end do the encoding filter");

encoding=null;

}

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

// TODO Auto-generated method stub

// place your code here

// pass the request along the filter chain

System.out.println("before encoding"+encoding+"filter");

request.setCharacterEncoding(encoding);

response.setContentType("text/html;charset="+encoding);

chain.doFilter(request, response);

System.out.println("after encoding"+encoding+"filter");

}

public void init(FilterConfig fConfig) throws ServletException {

// TODO Auto-generated method stub

System.out.println("begin do the encoding filter");

encoding=fConfig.getInitParameter("encoding");

}

}

web.xml的配置：

JavaEETask1

setCE

filter.EncodingFilter

encoding

utf-8

setCE

/JavaEETask1/Servlet1

為什麼過濾器不起作用啊？？求指點