jsp cookie

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	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		Cookie cookies[] = request.getCookies();
		for(int i = 0; cookies != null && i < cookies.length; i++) {
			if(cookies[i].getName().equals("lasttime")) {
				Long t = Long.parseLong(cookies[i].getValue());
				Date d = new Date(t);
				out.println(d);
				break;
			}
		}
		
		Cookie cook = new Cookie("lasttime", System.currentTimeMillis()+"");
		cook.setMaxAge(24*3600);//保存多少秒
		cook.setPath("/Learn");//设置cookie的有效路径 默认是当前servlet目录
		response.addCookie(cook);
		
	}

setMaxAge 不设置是会话级别 进程结束就消失

jsp cookie

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原文地址：http://blog.csdn.net/u011686226/article/details/43491159