sessionservlet.java

一个基于java的记事本

package com.ntsky.note;

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

/**
 * <p>Title: NTsky新闻发布v1.0正式版</p>
 * <p>Description: Session的控制</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: NTsky</p>
 * @authory 姚君林
 * @version 1.0
 */

public class SessionServlet extends HttpServlet{
    /*
    private static final String CONTENT_TYPE = "text/html; charset=GBK";
    private SQLDBOperator sdbo=null;
    //Initialize global variables
    public void init() throws ServletException {
    }
    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        HttpSession session = request.getSession();
        String user=(String)session.getAttribute("user");
        PrintWriter out = response.getWriter();
        if(user==null){
            URLServlet sUrl = new URLServlet();
            sUrl.getUrl(response, "error.jsp");
        }
    }*/
    /**
     * 设置session
     */

    public void setSession(HttpSession session, String str, String username){
        session.setAttribute(str,username);
    }
    /**
     * 取得session的值
     * @param session
     * @param str
     * @return
     */
    public String getSession(HttpSession session,String str){
        String user=null;
        user=(String)session.getAttribute(str);
        return user;
    }
    /**
     * 取消session
     */
    public static void removeSession(HttpSession session,String user){
        session.removeAttribute(user);
    }
}