public void initUserMap(){
		//ʼuserMap
		once = OnceClass.getOnce();
		File file = new File(Util.USERMAPPARH);
		if(!file.getParentFile().exists()){
			file.getParentFile().mkdirs();
		}
		//ʵuserMapļ
		if(file.exists() && file.length()!=0){
			try {
				ObjectInputStream objIn = new ObjectInputStream(new FileInputStream(file));
				Map<String, UserBean> userMap = (Map<String, UserBean>) objIn.readObject();
				once.setUserMap(userMap);
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (ClassNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}