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# danH-threeDrawer 三段式上下滑动drawer
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danH-threeDrawer 三段式上下滑动drawer，仿高德地图：
示例：
<danH-threeDrawer ref="panelref" :movePercentage="movePercentage"
:bottomSpac="bottomSpac" @movePercentage ="movePercentage" >
<view>
</view>
</danH-threeDrawer>
属性：
| 属性 | 是否必填|值类型|默认值 | 说明 |
| ----- |:----: |:---: |:--: | :------ |
| topSpac | false | Number | 0 |最高点距离顶部距离rpx|
| bottomSpac | false | Number | 80|最小高度rpx|
| middleSpace | false | Number | |中间状态高度，默认计算最高到最低高度的一半|
| isMiddle | false |Boolean|true|初始化时是否在中间位置|
