/**	 *  根据关键字获取对应属性	 * @param key	 * @param propertiesFilePath	 * @return	 */	public String getValueByKeyOfProperties(String key,String propertiesFilePath){		Properties properties = new Properties();		try {			FileInputStream fis = new FileInputStream(propertiesFilePath);			properties.load(fis);			fis.close();		} catch (FileNotFoundException e1) {			// TODO Auto-generated catch block			e1.printStackTrace();		} catch (IOException e1) {			// TODO Auto-generated catch block			e1.printStackTrace();		}		return null==properties.getProperty(key)? null:properties.getProperty(key);	}