[Rails] Model 內的所有 Callbacks
建立物件 (Creating an Object)
- before_validation
- after_validation
- before_save
- after_save
- before_create
- around_create
- after_create
更新物件 (Updating an Object)
- before_validation
- after_validation
- before_save
- after_save
- before_update
- around_update
- after_update
刪除物件 (Destroying an Object)
- before_destroy
- after_destroy
- around_destroy
補充 : after_save
在建立、更新時,都會運作,但是不論宣告的順序為何,after_save
永遠在更特定的 after_create
跟 after_update
的之後才會執行。