//index.js 
//获取应用实例 
var app = getApp() 
Page({ 
 data: { 
  date: '2016-11-08', 
  time: '12:00', 
  array: ['中国', '巴西', '日本', '美国'], 
  index: 0, 
 }, 
 
 onLoad: function () { 
 
 }, 
 // 点击时间组件确定事件 
 bindTimeChange: function (e) { 
  this.setData({ 
   time: e.detail.value 
  }) 
 }, 
 // 点击日期组件确定事件 
 bindDateChange: function (e) { 
  this.setData({ 
   date: e.detail.value 
  }) 
 }, 
 // 点击国家组件确定事件 
 bindPickerChange: function (e) { 
  this.setData({ 
   index: e.detail.value 
  }) 
 } 
}) 

2.index.wxml
[html] view plain copy
<!--index.wxml--> 
<view class="section" style="background:#787878;margin:20rpx;padding:20rpx"> 
 <picker bindchange="bindPickerChange" value="{{index}}" range="{{array}}"> 
  <view class="picker"> 
   国家：{{array[index]}} 
  </view> 
 </picker> 
</view> 
 
<view class="section" style="background:#787878;margin:20rpx;padding:20rpx"> 
 <picker mode="time" value="{{time}}" start="09:01" end="21:01" bindchange="bindTimeChange"> 
  <view class="picker"> 
   时间 : {{time}} 
  </view> 
 </picker> 
</view> 
<view class="section" style="background:#787878;margin:20rpx;padding:20rpx"> 
 <picker mode="date" value="{{date}}" start="2015-09-01" end="2017-09-01" bindchange="bindDateChange"> 
  <view class="picker"> 
   日期: {{date}} 
  </view> 
 </picker> 
</view>