a2702f6d
 刘淇
巡查计划
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<template>
<!-- #ifdef APP-NVUE -->
<cell ref="u-index-item">
<!-- #endif -->
<view
class="u-index-item"
:id="`u-index-item-${id}`"
:class="[`u-index-item-${id}`]"
>
<slot />
</view>
<!-- #ifdef APP-NVUE -->
</cell>
<!-- #endif -->
</template>
<script>
import { props } from './props';
import { mpMixin } from '../../libs/mixin/mpMixin';
import { mixin } from '../../libs/mixin/mixin';
import { sleep, error } from '../../libs/function/index';
// #ifdef APP-NVUE
// 由于weex为阿里的KPI业绩考核的产物，所以不支持百分比单位，这里需要通过dom查询组件的宽度
const dom = uni.requireNativePlugin('dom')
// #endif
/**
* IndexItem
* @description
* @tutorial https://uview-plus.jiangruyi.com/components/indexList.html
* @property {String}
* @event {Function}
* @example
*/
export default {
name: 'u-index-item',
mixins: [mpMixin, mixin, props],
data() {
return {
// 本组件到滚动条顶部的距离
top: 0,
height: 0,
id: ''
}
},
created() {
// 子组件u-index-anchor的实例
this.anchor = {}
},
mounted() {
this.init()
},
methods: {
init() {
// 此处会活动父组件实例，并赋值给实例的parent属性
this.getParentData('u-index-list')
if (!this.parent) {
return error('u-index-item必须要搭配u-index-list组件使用')
}
sleep().then(() =>{
this.getIndexItemRect().then(size => {
// 由于对象的引用特性，此处会同时生效到父组件的children数组的本实例的top属性中，供父组件判断读取
this.top = Math.ceil(size.top)
this.height = Math.ceil(size.height)
})
})
},
getIndexItemRect() {
return new Promise(resolve => {
// #ifndef APP-NVUE
this.$uGetRect('.u-index-item').then(size => {
resolve(size)
})
// #endif
// #ifdef APP-NVUE
const ref = this.$refs['u-index-item']
dom.getComponentRect(ref, res => {
resolve(res.size)
})
// #endif
})
}
},
}
</script>
<style lang="scss" scoped>
</style>
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