能不能提供一个星期选择器，如图所示

[wangpre]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

很多排班系统或者预约系统里面会用到

What does the proposed API look like?

可以选择一周中的哪几天以及每天的时间段

[webvs2]

只针对星期天这种吗，我觉得是个好想法