package com.encoding;

import

Java.io.IOException;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

public class Encoding implements javax.servlet.Filter {

    public void destroy（） {

    / / TODO Auto-generated method stub

    }

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

    request .setCharacterEncoding（“GBK”）；

    chain.doFilter（request, response）；

    }

    public void init（FilterConfig arg0） throws ServletException {

    // TODO Auto-generated method stub

    }

}

---XML配置文件

<?xml version=“1.0” encoding=“UTF-8”?>

<Web-app xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance” xmlns=“http://java.sun.com/xml/ns/javaee” xmlns:web=“http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd” xsi:schemaLocation=“http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd” id=“WebApp_ID” version=“2.5”>

<!-- 中文乱码过滤处理 -->

<filter>

<filter-name>encoding</filter-name>

<filter-class>

com.encoding;.Encoding

</filter-class>

</filter>

<filter-mapping>

<filter-name>encoding</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>