characterfilter.java

运用jsp/servlet技术 通过bs方式 在网上购买MP3

package com.filter;

import java.io.IOException;

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.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CharacterFilter implements Filter {


	public void destroy() {
		// TODO Auto-generated method stub

	}

	
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		 HttpServletRequest request=(HttpServletRequest)arg0;
		 HttpServletResponse response=(HttpServletResponse)arg1;
		 request.setCharacterEncoding("gb2312");
		 response.setCharacterEncoding("gb2312");
		 arg2.doFilter(request, response);

	}


	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}