requestencodingfilter.java

适用于毕业设计论文中

package com.dao;

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;

public class RequestEncodingFilter implements Filter{
	   String charset = null;

	   public void init(FilterConfig config) throws ServletException{
		   charset = config.getInitParameter("charset");
		   if (charset == null) charset = "gb2312";
	   }

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

	   public void destroy(){
	   
	   }

}