checkuppic.java

这是基于jsp的相册管理系统。数据库是mysql

package huitong.check;

import java.io.IOException;
import java.util.*;
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.*;

public class CheckUpPic implements Filter {
	String param ;
	FilterConfig config ;
	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
		HttpServletRequest  request = (HttpServletRequest)arg0;
		StringBuffer buffer = request.getRequestURL();
		System.out.println(buffer.substring(buffer.lastIndexOf(".") + 1 ));
		if ( !buffer.substring(buffer.lastIndexOf(".") + 1 ).equals(param))
		{
			arg2.doFilter(arg0, arg1);
			return ;
		}
		
		
	}

	public void init(FilterConfig config) throws ServletException {
		// TODO Auto-generated method stub
		this.config = config;
		String param = config.getInitParameter("filter_url");
		

	}

}