Controller focuses on business scenarios, that is, serving specific scenarios, so do not reuse controllers. It is recommended to divide controllers in a small range and use parent-child scopes to meet business scenarios.
factory provides some public methods and functions, it is recommended to abstract and reuse factory.
Service is similar to factory. It will be instantiated and can save data. It is used as a communication tool between controllers and is recommended for reuse.
Controller focuses on business scenarios, that is, serving specific scenarios, so do not reuse controllers. It is recommended to divide controllers in a small range and use parent-child scopes to meet business scenarios.
factory provides some public methods and functions, it is recommended to abstract and reuse factory.
Service is similar to factory. It will be instantiated and can save data. It is used as a communication tool between controllers and is recommended for reuse.