### What problem does this feature solve?（这个功能解决的问题） 满足业务场景 ### What does the proposed API look like?（期望的 API） 组件内置，无需额外的API <!-- generated by vue-issues. DO NOT REMOVE -->
What problem does this feature solve?（这个功能解决的问题）
满足业务场景
What does the proposed API look like?（期望的 API）
组件内置，无需额外的API