encodingfilter.java

jsp+servlet网上购物,是一个实现mvc的网站

package com.ebook.Util;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class EncodingFilter implements Filter
{
	public void init(FilterConfig filterConfig)
          throws ServletException
	{
		// System.out.println("** 过滤器初始化...") ;
	}
	public void doFilter(ServletRequest request,
                     ServletResponse response,
                     FilterChain chain)
              throws IOException,
                     ServletException
	{
		try
		{
	   request.setCharacterEncoding("utf-8") ;	
		}
		catch (Exception e)
		{
		}

		chain.doFilter(request,response) ;
	}
	public void destroy()
	{
		// System.out.println("** 过滤器销毁...") ;
	}
};