微信小程序实现日期范围选择_javascript技巧

 <view class="range-style mar-top">
                <view class="picker-title">日期范围:</view>
                <!-- 时间段 -->  
                    <view class="picker_group">  
                    <picker mode="date" value="{{startdate}}"  end="{{enddate}}" bindchange="bindDateChange">  
                        <view class="picker">  
                        <text class = "{{startdate=='开始日期'?'text-style1':'text-style2'}}">{{startdate}}</text>
                        </view>  
                    </picker>  
                    <text class = "text-style1">~</text> 
                    <picker mode="date" value="{{enddate}}" start="{{startdate}}" end="2050-01-01" bindchange="bindDateChange2">  
                        <view class="picker">  
                        <text class = "{{enddate=='结束日期'?'text-style1':'text-style2'}}">{{enddate}}</text> 
                        </view>  
                    </picker>        
      </view>  
</view>

.range-style {
    display: flex;
    align-items: center;
    padding-left: 10rpx;
    background-color: #fff;
}
.mar-top {
    margin-top: 30rpx;
}
.picker-title {
    font-size: 32rpx;
    width: 150rpx;
}
.picker_group {
    color: #888;
    border: 1rpx solid #A4A6AE;
    border-radius: 15rpx;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20rpx 30rpx;
    font-size: 32rpx;
}
.text-style1{
    color:#A4A6AE;
}
.text-style2{
    color:rgb(0,0,0,0.8);
}
.picker_group picker {
    font-size: 34rpx;
    height: 45rpx;
    padding-left:20rpx;
    padding-right:20rpx;
    line-height: 45rpx;
}

Page({
  data: {
  
    startdate: '开始日期',//默认起始时间  
    enddate: '结束日期',//默认结束时间 
 
  },
 
  bindDateChange(e) {
    let that = this;
    console.log(e.detail.value)
    that.setData({
      startdate: e.detail.value,
    })
  },
  bindDateChange2(e) {
    let that = this;
    console.log(e.detail.value)
    that.setData({
      enddate: e.detail.value,
    })
  },
 
})