picker-view

2021-02-26 08:06

Scroll picker embedded in page.

Attribute Name	Type	Default	Description	Minimum Version
value	Number Array		the number indicates the index corresponding to the picker-view-column (starting from 0)
indicator-style	String		selected box style
onChange	EventHandle		trigger on scroll selection value change, event.detail = {value: Value}; value is an array, indicating the picker-view-column index in picker-view, starting from 0

Note: Only component can be placed inside. The other nodes will not be displayed. Do not place the component in the hidden or display none node. For the hiding requirement, use a:if to switch.

Do not:

copy

<view hidden><picker-view/></view>

Recommend:

copy

<view a:if="{{xx}}"><picker-view/></view>

Screenshot

picker-view

Sample Code

copy

<view class="pv-container">
  <view class="pv-left">
    <picker-view value="{{value}}" onChange="onChange">
      <picker-view-column>
        <view>2013</view>
        <view>2014</view>
      </picker-view-column>
      <picker-view-column>
        <view>Spring</view>
        <view>Summer</view>
      </picker-view-column>
    </picker-view>
  </view>
  <view class="pv-right">
    {{value}}
  </view>
</view>

copy

Page({
  data: {},
  onChange(e) {
    console.log(e.detail.value);
    this.setData({
      value: e.detail.value,
    });
  },
});