myfilter.java

jsp购物车

package com.accp.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 MyFilter implements Filter {

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

	}

	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {
		   HttpServletRequest request=(HttpServletRequest)req;
		   HttpServletResponse response=(HttpServletResponse)res;
		   request.setCharacterEncoding("utf-8");
		   response.setContentType("text/html;charset=utf-8");
		   response.setCharacterEncoding("utf-8");
		   chain.doFilter(req,res);

	}

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

	}

}