package com.struts.filter; //将过滤器保存在com.struts.filter包下

import java.io.IOException; //导入java.io.IOException类

import javax.servlet.Filter; //导入javax.servlet.Filter类

import javax.servlet.FilterChain; //导入javax.servlet.FilterChain类

import javax.servlet.FilterConfig; //导入avax.servlet.FilterConfig类

import javax.servlet.ServletException; //导入avax.servlet.ServletException类

import javax.servlet.ServletRequest; //导入javax.servlet.ServletRequest类

import javax.servlet.ServletResponse; //导入javax.servlet.ServletResponse类

public class MyFilter implements Filter {

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

request.setCharacterEncoding("gb2312"); //设置request的编码格式

response.setCharacterEncoding("gb2312"); //设置response的编码格式

chain.doFilter(request, response); //调用FilterChain对象的doFilter()方法

}

public void init(FilterConfig arg0) throws ServletException {

} //该方法体为空

public void destroy() {

//destroy()此方法体为空

}

}