<!--静态文件-->
<picker mode="date" value="arrivedDate" bindchange="bindDateChange" start="{{arrivedDate}}" end="{{endDate}}" >
  <view class="picker">
    <view>{{arrivedDate}}</view>
      <view class="pulldown">
        <image mode="widthFix" src="../../images/mainicon/down.svg"></image>
      </view>
  </view>
</picker>

<!--js文件-->
date{
    startDate: "",//开始日期
    arrivedDate: "",//抵达日期
    endDate:""
}
onload:function(){
    let y = new Date().getFullYear()
    let m = new Date().getUTCMonth() + 1
    let d = new Date().getUTCDate()
    let ymd = y + "-" + m + "-" + d
    let endYmd = y + "-" + (m + 2) + "-" + d
    this.setData({ startDate: ymd, arrivedDate: ymd ,endDate:endYmd})

},
bindDateChange: function (e) {
    let changeTime = e.detail.value
    this.setData({ arrivedDate: changeTime })
  },