eagle-ui/src/main/java/eagle/jfaster/org/controller/RegistryCenterRestfulApi.java
@RequestMapping(value = "/activated", method = RequestMethod.GET)
    public boolean activated(final HttpServletRequest request) {
        return regCenterService.loadActivated().isPresent();
    }
@RequestMapping(value = "/activated", method = RequestMethod.GET)
    public boolean activated(final HttpServletRequest request) {
        return regCenterService.loadActivated().isPresent();
    }
判断是否存在已连接的注册中心配置.

@param request HTTP请求
@return 是否存在已连接的注册中心配置