messfilter.java

简单的SREVLET的实验项目 大家可以下载试用一下看看或许有什么帮助

package com.zg.util;

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 MessFilter implements Filter {
	private String ecoding;

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

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
           if(ecoding !=null){
        	   
        	   arg0.setCharacterEncoding(ecoding);
        	   arg1.setCharacterEncoding(ecoding);
           }
		arg2.doFilter(arg0, arg1);
		
	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
        ecoding = arg0.getInitParameter("ecoding");
	}

}