code: private static String getResourceBase() {
  		String resourceBase = setting.getStr("webRoot");
  		if (StrUtil.isEmpty(resourceBase)) {
  			resourceBase = "./src/main/webapp";// 用于Maven测试
  			File file = new File(resourceBase);
  			if (false == file.exists() || false == file.isDirectory()) {
  				resourceBase = ".";
  			}
  		}
  		log.debug("Jetty resource base: [{}]", resourceBase);
  		return resourceBase;// 当前目录，用于部署环境
  	}
docs: 读取resourceBase
  
  @return resourceBase