encodefilter.java

实现文件的上传下载

package com.inta.util;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodeFilter implements javax.servlet.Filter {

	private String encoding;
	public void destroy() {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
	}

	public void init(FilterConfig config) throws ServletException {
		encoding = config.getInitParameter("encode");
	}


}