## picker-view

<!-- UTSCOMJSON.picker-view.description -->

<!-- UTSCOMJSON.picker-view.attrubute -->

<!-- UTSCOMJSON.picker-view.event -->

<!-- UTSCOMJSON.picker-view.example -->

<!-- UTSCOMJSON.picker-view.compatibility -->

<!-- UTSCOMJSON.picker-view.children -->

<!-- UTSCOMJSON.picker-view.reference -->


## picker-view-column

<!-- UTSCOMJSON.picker-view-column.description -->

<!-- UTSCOMJSON.picker-view-column.attrubute -->

<!-- UTSCOMJSON.picker-view-column.event -->

<!-- UTSCOMJSON.picker-view-column.example -->

<!-- UTSCOMJSON.picker-view-column.compatibility -->

<!-- UTSCOMJSON.picker-view-column.children -->

<!-- UTSCOMJSON.picker-view-column.reference -->

## tips
- picker里如放置较长内容，应该使用list-view而不是scroll-view。
