<view class="page">
 <view class="page__hd">
 <text class="page__title">picker</text>
 <text class="page__desc">选择器</text>
 </view>
 <view class="page__bd">
 <view class="section">
  <view class="section__title">地区选择器</view>
  <picker bindchange="bindPickerChange" value="{{index}}" range="{{array}}">
  <view class="picker">
   当前选择：{{array[index]}}
  </view>
  </picker>
 </view>
 <view class="section">
  <view class="section__title">时间选择器</view>
  <picker mode="time" value="{{time}}" start="09:01" end="21:01" bindchange="bindTimeChange">
  <view class="picker">
   当前选择: {{time}}
  </view>
  </picker>
 </view>

 <view class="section">
  <view class="section__title">日期选择器</view>
  <picker mode="date" value="{{date}}" start="2015-09-01" end="2017-09-01" bindchange="bindDateChange">
  <view class="picker">
   当前选择: {{date}}
  </view>
  </picker>
 </view>
 </view>
</view>

page {
 background-color: #fbf9fe;
 height: 100%;
}
.page__hd{
 padding: 50rpx 50rpx 100rpx 50rpx;
 text-align: center;
}
.page__title{
 display: inline-block;
 padding: 20rpx 40rpx;
 font-size: 32rpx;
 color: #AAAAAA;
 border-bottom: 1px solid #CCCCCC;
}
.page__desc{
 display: none;
 margin-top: 20rpx;
 font-size: 26rpx;
 color: #BBBBBB;
}
.section{
 margin-bottom: 80rpx;
}
.section__title{
 margin-bottom: 16rpx;
 padding-left: 30rpx;
 padding-right: 30rpx;
}
.picker{
 padding: 26rpx;
 background-color: #FFFFFF;
}

Page({
 data: {
 array: ['中国', '美国', '巴西', '日本'],
 index: 0,
 date: '2016-09-01',
 time: '12:01'
 },
 bindPickerChange: function(e) {
 console.log('picker发送选择改变，携带值为', e.detail.value)
 this.setData({
  index: e.detail.value
 })
 },
 bindDateChange: function(e) {
 this.setData({
  date: e.detail.value
 })
 },
 bindTimeChange: function(e) {
 this.setData({
  time: e.detail.value
 })
 }
})