学步园

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		//设置防止乱码
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		
		PrintWriter out = response.getWriter();
		out.print("您上次访问的时间是：");
		
		//拿cookie
		Cookie[] cookies = request.getCookies();
		for(int i=0; cookies!=null&&i<cookies.length;i++){
			if(cookies[i].getName().equals("lastAccessTime")){
				
				//得到时间并转成毫秒
				Long cookieValue = Long.parseLong(cookies[i].getValue());
				//
				Date date = new Date(cookieValue);
				out.print(date.toLocaleString());
			}
		}
		
		//给用户送cookie
		Cookie cookie = new Cookie("lastAccessTime", System.currentTimeMillis()+"");
		cookie.setMaxAge(3600*24);
		
		response.addCookie(cookie);
	}

用浏览器访问此servlet2次可得时间