javaEE Session

SessionServlet.java：

package com.xxx.session;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class SessionServlet extends HttpServlet {

	protected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
		
		HttpSession session = request.getSession(); // 擷取(建立)Session對象
		
		session.setAttribute("name", "zhangsan");  // 設定session (域對象)
		Object attribute = session.getAttribute("name");  // 擷取指定session的值
		session.removeAttribute("name");   // 删除指定session值
		
		String id = session.getId();  // 擷取該session對象的id
		
		session.invalidate();  // 銷毀session
				
		response.getWriter().write("JSESSIONID:"+id);
		
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}
}