NestJs | 依賴注入報錯Nest can't resolve dependencies of the UsersController (?). Pleasemake sure that the

[ExceptionHandler] Nest can't resolve dependencies of the UsersController (?). Pleasemake sure that the argument at index [0] is available in the UsersModule context. +0ms

Error: Nest can't resolve dependencies of the UsersController (?). Please make sure that the argument at index [0] is available in the UsersModule context.

構造函數注入依賴時用了接口聲明，而不是類聲明，導緻nestjs無法擷取依賴項。

解決辦法，注入依賴時使用裝飾器解構

@Inject('UsersService') private UsersService: User.Service