Check whether user has the permission

@throws BadRequestException if file's format is invalid

remove an instance from database

enrich the additional user info for the object list @param list object with user id @param mapper map the object in the list to {@link UserInfoEnri

@param targetEnv environment @return environment's meta server address exists or not

<pre> "123+default+application.properties" -> "123" "abc+default+application.yml" -> "abc" "666+default+application.json" -> "666" </pre> @throws B

never throw {@link Throwable}, read from memory cache

a=b b=c c=d

用于将一个对象的列表转换为列表中对象的属性集合 <pre> List<UserDTO> userList = userService.queryUsers(); Set<Integer> userIds = BeanUtil.toPropertySet("userId", user