logout.java

用J2EE开发的网站,可以应用到图书馆,图书超市

package ksnb;

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

public class logout extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=gb2312";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        System.out.println("aaaaaaaaaaaaa");
        System.out.println(request.getParameter("submit"));
        HttpSession session= request.getSession(true);
        session.setAttribute("Account","");
        session.setAttribute("Id","");  //转换成字符串类型
        session.setAttribute("Pwd","");
        session.setAttribute("Age","") ;
        session.setAttribute("Tel","" );
        session.setAttribute("Sex","") ;
        session.setAttribute("Name","" ) ;
        session.setAttribute("Address","");
        RequestDispatcher rd=request.getRequestDispatcher("index.jsp");
        rd.forward(request,response);
    }

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