encodingfilter.java

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package com.autumn.filter;

import java.io.* ;
import javax.servlet.* ;
import javax.servlet.http.* ;

public class EncodingFilter implements Filter
{
	public void init(FilterConfig filterConfig)throws ServletException
	{}	
	public void doFilter(ServletRequest request,ServletResponse response,FilterChain chain)throws java.io.IOException,ServletException
	{
		try
		{
			
			request.setCharacterEncoding("gbk") ;
			response.setCharacterEncoding("gbk") ;
		}
		catch (Exception e)
		{
			e.printStackTrace() ;
		}
		chain.doFilter(request,response) ;
	}
	public void destroy()
	{}
}
/*	<filter>
		<filter-name>encoding</filter-name>
		<filter-class>demo.filter.EncodingFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
*/