myfilter.java

利用Mysql数据库、struts框架实现的web系统开发

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;

public class MyFilter implements Filter {
	private String encoding = null;

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

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

	}

	public void destroy() {
		// TODO Auto-generated method stub
		encoding = null;
	}
	
}