<view class="section" > 
 <picker bindchange="bindPickerChange" value="{{index}}" range="{{objectArray}}" mode = "selector"> 
  <view class="picker"> 
   国家：{{objectArray[index]}} 
  </view> 
 </picker> 
</view> 

<view class="section"> 
 <picker mode="time" value="{{time}}" start="00:00" end="23:59" bindchange="bindTimeChange"> 
  <view class="picker"> 
   时间 : {{times}}
  </view> 
 </picker> 
</view> 
<view class="section"> 
 <picker mode="date" value="{{date}}" start="1978-01-01" end="2017-1-23" bindchange="bindDateChange"> 
  <view class="picker"> 
   日期: {{dates}} 
  </view> 
 </picker> 
</view> 

.section{
  background:#CABBC7;
  margin:20rpx;
  padding:20rpx

}

Page({
 data: {
  dates: '2016-11-08',
  times: '12:00',
  objectArray: ['中国', '英国', '美国'],
  index: 0,
 },
 // 点击时间组件确定事件 
 bindTimeChange: function (e) {
  console.log("谁哦按")
  this.setData({
   times: e.detail.value
  })
 },
 // 点击日期组件确定事件 
 bindDateChange: function (e) {
   console.log(e.detail.value)
  this.setData({
   dates: e.detail.value
  })
 },
 // 点击城市组件确定事件 
 bindPickerChange: function (e) {
   console.log(e.detail.value)
  this.setData({
   index: e.detail.value
  })
 }