<view class="list" bindtap="showdata">
      <image src="/images/priceicon7.png"></image>
      <text class="listtext">请输入日期</text>
      <view class="jc">{{year}}-{{month}}-{{day}}＞</view>
    </view>


  <view class="ruleZhezhao {{isdataTrue?‘isdataShow‘:‘isdataHide‘}}">
    <view class=‘ruleZhezhaoContent2‘>
      <view class="button_model">
        <text bindtap=‘hidedata‘>取消</text>
        <text bindtap=‘hidedata‘>确定</text>
      </view>
      <picker-view indicator-style="height: 50px;" style="width: 100%; height: 250px;" value="{{value}}" bindchange="bindChange">
        <picker-view-column class="picker-text">
          <view wx:for="{{years}}" wx:key="{{index}}" style="line-height: 50px">{{item}}</view>
        </picker-view-column>
        <picker-view-column class="picker-text">
          <view wx:for="{{months}}" wx:key="{{index}}" style="line-height: 50px">{{item}}</view>
        </picker-view-column>
        <picker-view-column class="picker-text">
          <view wx:for="{{days}}" wx:key="{{index}}" style="line-height: 50px">{{item}}</view>
        </picker-view-column>
      </picker-view>
    </view>
  </view>

.ruleZhezhao{
  height: 100%;
  width: 100%;
  position: fixed;
  background-color:rgba(0, 0, 0, .5); 
  top: 0;
  left: 0;
  z-index: 999;
}
.ruleZhezhaoContent2{
 width: 100%;
 background-color: #fff;
 position: fixed;
 bottom: 0;
 left: 0;
 z-index: 9999;
}
.isdataShow{
  display: block;
}
.isdataHide{
  display: none;
}
.time-title{
  float:left;width:20%;text-align:center;color:#45BCE8
}
.picker-text{
  text-align:center;
}

 .button_model{
  height: 80rpx;
  width: 100%;
  background: #fff;
  position: relative;
  border-bottom: 1px solid #d9d9d9;
}
.button_model text{
    color: #007aff;
    position: absolute;
    background:transparent;
    border: none;
    line-height: 80rpx;
}
.button_model text:first-child{
  left: 32rpx;
}
.button_model text:last-child{
  right: 32rpx;
} 

const date = new Date()
const years = []
const months = []
const days = []
const hours = []
const minutes = []
var thisMon = date.getMonth();
var thisDay = date.getDate();

for (let i = 2017; i <= date.getFullYear()   1; i  ) {
  years.push(i)
}

for (let i = date.getMonth(); i <= 11; i  ) {
  var k = i;
  if (0 <= i && i < 9) {
    k = "0"   (i   1);
  } else {
    k = (i   1);
  }
  months.push(k)
}
if (0 <= thisMon && thisMon < 9) {
  thisMon = "0"   (thisMon   1);
} else {
  thisMon = (thisMon   1);
}
if (0 <= thisDay && thisDay < 10) {
  thisDay = "0"   thisDay;
}

var totalDay = mGetDate(date.getFullYear(), thisMon);
for (let i = 1; i <= 31; i  ) {
  var k = i;
  if (0 <= i && i < 10) {
    k = "0"   i
  }
  days.push(k)
}

for (let i = 0; i <= 23; i  ) {
  var k = i;
  if (0 <= i && i < 10) {
    k = "0"   i
  }
  hours.push(k)
}
for (let i = 0; i <= 59; i  ) {
  var k = i;
  if (0 <= i && i < 10) {
    k = "0"   i
  }
  minutes.push(k)
}
function mGetDate(year, month) {
  var d = new Date(year, month, 0);
  return d.getDate();
}
Page({
  data: {
    years: years,
    year: date.getFullYear(),
    months: months,
    month: thisMon,
    days: days,
    day: thisDay,
    value: [1, thisMon - 1, thisDay - 1, 0, 0],
    hours: hours,
    hour: "00",
    minutes: minutes,
    minute: "00",
  },
  bindChange: function (e) {
    const val = e.detail.value
    this.setData({
      year: this.data.years[val[0]],
      month: this.data.months[val[1]],
      day: this.data.days[val[2]],
      hour: this.data.hours[val[3]],
      minute: this.data.minutes[val[4]],
    })
    var totalDay = mGetDate(this.data.year, this.data.month);
    var changeDate = [];
    for (let i = 1; i <= totalDay; i  ) {
      var k = i;
      if (0 <= i && i < 10) {
        k = "0"   i
      }
      changeDate.push(k)
    }
    this.setData({
      days: changeDate
    })
  },
  showdata: function () {
    this.setData({
      isdataTrue: true
    })
  },
  hidedata: function () {
    this.setData({
      isdataTrue: false
    })
  },

})

<view class="time_screens">
  <view style="text-align:center;color:#45BCE8">{{year}}-{{month}}-

{{day}} {{hour}}:{{minute}}</view>

  <view class="button_model">
    <text catchtap=‘canslebtn‘>取消</text>
    <text catchtap=‘closebtn‘>确定</text>
  </view>

  <!-- <view style="border-top:1px solid #45BCE8;height:25px;font-

size:14px;">
  <view class="time-title">年</view>
  <view class="time-title">月</view>
  <view class="time-title">日</view>
  <view class="time-title">时</view>
  <view class="time-title">分</view>
  </view> -->
  <picker-view indicator-style="height: 50px;" style="width: 100%; 

height: 250px;" value="{{value}}" bindchange="bindChange">
    <picker-view-column class="picker-text">
      <view wx:for="{{years}}" wx:key="{{index}}" style="line-height: 

50px">{{item}}</view>
    </picker-view-column>
    <picker-view-column class="picker-text">
      <view wx:for="{{months}}" wx:key="{{index}}" style="line-

height: 50px">{{item}}</view>
    </picker-view-column>
    <picker-view-column class="picker-text">
      <view wx:for="{{days}}" wx:key="{{index}}" style="line-height: 

50px">{{item}}</view>
    </picker-view-column>
     <picker-view-column class="picker-text">
      <view wx:for="{{hours}}" wx:key="{{index}}" wx:key="{{index}}" 

style="line-height: 50px">{{item}}</view>
    </picker-view-column>
     <picker-view-column class="picker-text">
      <view wx:for="{{minutes}}" wx:key="{{index}}" style="line-

height: 50px">{{item}}</view>
    </picker-view-column>
  </picker-view>
</view>