[feature request] form temporary storage and submission

### Existing Component
是

### Component Name
Form表单

### Description
场景：填写表单后，用户可以选择保存或提交。单击“保存”时，不需要验证表单，但单击“提交”时，需要验证表单。如何处理这种情况？
Scenario: after filling in the form, the user can choose to save or submit. When you click save, you do not need to validate the form, but when you click Submit, you need to validate the form. How to deal with this situation?