When working, artists often give us continuous animation prefabs. At this time, we need to cut them ourselves. We can ask the artist to give us a specific interval.
1. Find the corresponding prefab under Assets in uinty
2. Switch the inspector layer to Animation 
3. Click the plus sign to add animation clips, you can drag the blue arrow to select the start frame and end frame, or you can choose between Start and End Input directly in , and adjust according to the progress provided by the artist
4. You can give the clip a suitable and easy-to-understand name, and click Apply to apply
5. The cut fragments are as follows. When
I have time later, I will update FSM to manage animation and animator, or write some animation managers.
Welcome everyone to point out the deficiencies in the article, please criticize and correct