picker-view

嵌入頁(yè)面的滾動(dòng)選擇器

注意：其中只可放置組件，其他節(jié)點(diǎn)不會(huì)顯示。

picker-view-column

僅可放置于中，其孩子節(jié)點(diǎn)的高度會(huì)自動(dòng)設(shè)置成與picker-view的選中框的高度一致

示例代碼：

<view>
  <view>{{year}}年{{month}}月{{day}}日view>
  <picker-view indicator-style="height: 50px;" style="width: 100%; height: 300px;" value="{{value}}" bindchange="bindChange">
    <picker-view-column>
      <view wx:for="{{years}}" style="line-height: 50px">{{item}}年view>
    picker-view-column>
    <picker-view-column>
      <view wx:for="{{months}}" style="line-height: 50px">{{item}}月view>
    picker-view-column>
    <picker-view-column>
      <view wx:for="{{days}}" style="line-height: 50px">{{item}}日view>
    picker-view-column>
  picker-view>
view>

const date = new Date()
const years = []
const months = []
const days = []

for (let i = 1990; i <= date.getFullYear(); i++) {
  years.push(i)
}

for (let i = 1 ; i <= 12; i++) {
  months.push(i)
}

for (let i = 1 ; i <= 31; i++) {
  days.push(i)
}

Page({
  data: {
    years: years,
    year: date.getFullYear(),
    months: months,
    month: 2,
    days: days,
    day: 2,
    year: date.getFullYear(),
    value: [9999, 1, 1],
  },
  bindChange: function(e) {
    const val = e.detail.value
    this.setData({
      year: this.data.years[val[0]],
      month: this.data.months[val[1]],
      day: this.data.days[val[2]]
    })
  }
})

Tips

1. tip: 滾動(dòng)時(shí)在iOS自帶振動(dòng)反饋，可在系統(tǒng)設(shè)置 -> 聲音與觸感 -> 系統(tǒng)觸感反饋中關(guān)閉