微信小程序 picker 组件详解及简单实例

<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>

Page({
 data: {
 array:["美国","中国","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.time
 })
 }
})