JAVA 获取web-inf 目录下文件

String schainUrl = (CommonUtils.class.getResource("/").getPath().replace("/build/classes", "").replace("%20"," ").replace("classes/", "") + "conf.properties").replaceFirst("/", "");
   log.info("os.name : "+System.getProperty("os.name").toLowerCase());
   if(!System.getProperty("os.name").toLowerCase().contains("windows")){
    schainUrl = "/" + schainUrl;
   }
   FileInputStream fileInputStream = new FileInputStream(schainUrl);
   Properties prop = new Properties();
   prop.load(fileInputStream);