从备份文件的属性获取字符串，备份获取字符串,private stat

从备份文件的属性获取字符串，备份获取字符串,private stat

private static Properties   properties;private static String getProp(String propKey) {    if (properties == null) {        properties = new Properties();        try {            properties.load(new FileInputStream("myprops.config"));        } catch (IOException e) {        }    }    return properties.getProperty(propKey);}