摘要:
session的增加读取1 session.setAttribute("username", "张三");2 String u = (String) session.getAttribute("username");application(服务器级别的,如果服务关了/或断电了,那么他就会消失)1 List onlineUserList = (List) application.getAttribute("onlineUserList");2 if(onlineUserList == null)3 {4 online 阅读全文
posted @ 2013-06-25 17:57
午火39
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