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public class HttpSessionDemo extends HelloServlet{
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,IOException{
HttpSession ses=req.getSession(true);
System.out.println("SESSION ID-->"+ses.getId());
ses.setAttribute("username:","lin");
System.out.println("username属性内容:"+ses.getAttribute("username"));
}
public void doPost(HttpServletRequest req,HttpServletResponse resp) throws ServletException,IOException{
this.doGet(req,resp);
}
}