public static void GetSessionsFile() {
		Vector<ClsSession> sessions = ClsSession.getUserSessionsDirectly(
				"rec_taobao_sample_day5_heigh100", "", 15);
		ClsSession.writeSessionsRecordInfoFromSessions(
				"output/Sessions_sample_day5_heigh100.txt", sessions);
		ClsSession.writeSessionsStatFromSessions("output/Stat_sample_day5_heigh100.txt",
				sessions);
	}