filterofcheck.java~9~

来自「基于mvc的宠物管理系统。servlet+jsp」· JAVA~9~ 代码 · 共 38 行

package com.richard.control;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class FilterOfCheck extends HttpServlet implements Filter {
    private FilterConfig filterConfig;
    //Handle the passed-in FilterConfig
    public void init(FilterConfig filterConfig) throws ServletException {
        this.filterConfig = filterConfig;
    }

    //Process the request/response pair
    public void doFilter(ServletRequest request, ServletResponse response,
                         FilterChain filterChain) {
       try {
//            HttpSession objSession=((HttpServletRequest)request).getSession();
//            if(objSession.getAttribute("employeeName")==null)
//            {
//((HttpServletResponse)response).sendRedirect("login.jsp");
//
//            }

            filterChain.doFilter(request, response);
        } catch (ServletException sx) {
            filterConfig.getServletContext().log(sx.getMessage());
        } catch (IOException iox) {
            filterConfig.getServletContext().log(iox.getMessage());
        }
    }

    //Clean up resources
    public void destroy() {
    }
}