private void closeOutput(){
		try {
			forefathersNodeFileWriter.write("結束時間: " + getRightNowTimeStr("/", ":", " ") + "\r\n");
			leavesNodeFileWriter.write("結束時間: " + getRightNowTimeStr("/", ":", " ") + "\r\n");
			leavesContentFileWriter.write("結束時間: " + getRightNowTimeStr("/", ":", " ") + "\r\n");
			
			forefathersNodeFileWriter.close();
			leavesNodeFileWriter.close();
			leavesContentFileWriter.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}