mirror of
https://gitee.com/huangge1199_admin/vue-pro.git
synced 2024-12-12 00:42:27 +08:00
245 lines
7.1 KiB
Vue
245 lines
7.1 KiB
Vue
|
<template>
|
|||
|
|
<view class="u-skeleton">
|
|||
|
|
<view
|
|||
|
|
class="u-skeleton__wrapper"
|
|||
|
|
ref="u-skeleton__wrapper"
|
|||
|
|
v-if="loading"
|
|||
|
|
style="display: flex; flex-direction: row;"
|
|||
|
|
>
|
|||
|
|
<view
|
|||
|
|
class="u-skeleton__wrapper__avatar"
|
|||
|
|
v-if="avatar"
|
|||
|
|
:class="[`u-skeleton__wrapper__avatar--${avatarShape}`, animate && 'animate']"
|
|||
|
|
:style="{
|
|||
|
|
height: $u.addUnit(avatarSize),
|
|||
|
|
width: $u.addUnit(avatarSize)
|
|||
|
|
}"
|
|||
|
|
></view>
|
|||
|
|
<view
|
|||
|
|
class="u-skeleton__wrapper__content"
|
|||
|
|
ref="u-skeleton__wrapper__content"
|
|||
|
|
style="flex: 1;"
|
|||
|
|
>
|
|||
|
|
<view
|
|||
|
|
class="u-skeleton__wrapper__content__title"
|
|||
|
|
v-if="title"
|
|||
|
|
:style="{
|
|||
|
|
width: uTitleWidth,
|
|||
|
|
height: $u.addUnit(titleHeight),
|
|||
|
|
}"
|
|||
|
|
:class="[animate && 'animate']"
|
|||
|
|
></view>
|
|||
|
|
<view
|
|||
|
|
class="u-skeleton__wrapper__content__rows"
|
|||
|
|
:class="[animate && 'animate']"
|
|||
|
|
v-for="(item, index) in rowsArray"
|
|||
|
|
:key="index"
|
|||
|
|
:style="{
|
|||
|
|
width: item.width,
|
|||
|
|
height: item.height,
|
|||
|
|
marginTop: item.marginTop
|
|||
|
|
}"
|
|||
|
|
>
|
|||
|
|
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
<slot v-else />
|
|||
|
|
</view>
|
|||
|
|
</template>
|
|||
|
|
|
|||
|
|
<script>
|
|||
|
|
import props from './props.js';
|
|||
|
|
// #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')
|
|||
|
|
const animation = uni.requireNativePlugin('animation')
|
|||
|
|
// #endif
|
|||
|
|
/**
|
|||
|
|
* Skeleton 骨架屏
|
|||
|
|
* @description 骨架屏一般用于页面在请求远程数据尚未完成时，页面用灰色块预显示本来的页面结构，给用户更好的体验。
|
|||
|
|
* @tutorial https://www.uviewui.com/components/skeleton.html
|
|||
|
|
* @property {Boolean} loading 是否显示骨架占位图，设置为false将会展示子组件内容 (默认 true )
|
|||
|
|
* @property {Boolean} animate 是否开启动画效果 (默认 true )
|
|||
|
|
* @property {String | Number} rows 段落占位图行数 (默认 0 )
|
|||
|
|
* @property {String | Number | Array} rowsWidth 段落占位图的宽度，可以为百分比，数值，带单位字符串等，可通过数组传入指定每个段落行的宽度 (默认 '100%' )
|
|||
|
|
* @property {String | Number | Array} rowsHeight 段落的高度 (默认 18 )
|
|||
|
|
* @property {Boolean} title 是否展示标题占位图 (默认 true )
|
|||
|
|
* @property {String | Number} titleWidth 标题的宽度 (默认 '50%' )
|
|||
|
|
* @property {String | Number} titleHeight 标题的高度 (默认 18 )
|
|||
|
|
* @property {Boolean} avatar 是否展示头像占位图 (默认 false )
|
|||
|
|
* @property {String | Number} avatarSize 头像占位图大小 (默认 32 )
|
|||
|
|
* @property {String} avatarShape 头像占位图的形状，circle-圆形，square-方形 (默认 'circle' )
|
|||
|
|
* @example <u-search placeholder="日照香炉生紫烟" v-model="keyword"></u-search>
|
|||
|
|
*/
|
|||
|
|
export default {
|
|||
|
|
name: 'u-skeleton',
|
|||
|
|
mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
|
|||
|
|
data() {
|
|||
|
|
return {
|
|||
|
|
width: 0,
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
watch: {
|
|||
|
|
loading() {
|
|||
|
|
this.getComponentWidth()
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
computed: {
|
|||
|
|
rowsArray() {
|
|||
|
|
if (/%$/.test(this.rowsHeight)) {
|
|||
|
|
uni.$u.error('rowsHeight参数不支持百分比单位')
|
|||
|
|
}
|
|||
|
|
const rows = []
|
|||
|
|
for (let i = 0; i < this.rows; i++) {
|
|||
|
|
let item = {},
|
|||
|
|
// 需要预防超出数组边界的情况
|
|||
|
|
rowWidth = uni.$u.test.array(this.rowsWidth) ? (this.rowsWidth[i] || (i === this.row - 1 ? '70%' : '100%')) : i ===
|
|||
|
|
this.rows - 1 ? '70%' : this.rowsWidth,
|
|||
|
|
rowHeight = uni.$u.test.array(this.rowsHeight) ? (this.rowsHeight[i] || '18px') : this.rowsHeight
|
|||
|
|
// 如果有title占位图，第一个段落占位图的外边距需要大一些，如果没有title占位图，第一个段落占位图则无需外边距
|
|||
|
|
// 之所以需要这么做，是因为weex的无能，以提升性能为借口不支持css的一些伪类
|
|||
|
|
item.marginTop = !this.title && i === 0 ? 0 : this.title && i === 0 ? '20px' : '12px'
|
|||
|
|
// 如果设置的为百分比的宽度，转换为px值，因为nvue不支持百分比单位
|
|||
|
|
if (/%$/.test(rowWidth)) {
|
|||
|
|
// 通过parseInt提取出百分比单位中的数值部分，除以100得到百分比的小数值
|
|||
|
|
item.width = uni.$u.addUnit(this.width * parseInt(rowWidth) / 100)
|
|||
|
|
} else {
|
|||
|
|
item.width = uni.$u.addUnit(rowWidth)
|
|||
|
|
}
|
|||
|
|
item.height = uni.$u.addUnit(rowHeight)
|
|||
|
|
rows.push(item)
|
|||
|
|
}
|
|||
|
|
// console.log(rows);
|
|||
|
|
return rows
|
|||
|
|
},
|
|||
|
|
uTitleWidth() {
|
|||
|
|
let tWidth = 0
|
|||
|
|
if (/%$/.test(this.titleWidth)) {
|
|||
|
|
// 通过parseInt提取出百分比单位中的数值部分，除以100得到百分比的小数值
|
|||
|
|
tWidth = uni.$u.addUnit(this.width * parseInt(this.titleWidth) / 100)
|
|||
|
|
} else {
|
|||
|
|
tWidth = uni.$u.addUnit(this.titleWidth)
|
|||
|
|
}
|
|||
|
|
return uni.$u.addUnit(tWidth)
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
mounted() {
|
|||
|
|
this.init()
|
|||
|
|
},
|
|||
|
|
methods: {
|
|||
|
|
init() {
|
|||
|
|
this.getComponentWidth()
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
this.loading && this.animate && this.setNvueAnimation()
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
async setNvueAnimation() {
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
// 为了让opacity:1的状态保持一定时间，这里做一个延时
|
|||
|
|
await uni.$u.sleep(500)
|
|||
|
|
const skeleton = this.$refs['u-skeleton__wrapper'];
|
|||
|
|
skeleton && this.loading && this.animate && animation.transition(skeleton, {
|
|||
|
|
styles: {
|
|||
|
|
opacity: 0.5
|
|||
|
|
},
|
|||
|
|
duration: 600,
|
|||
|
|
}, () => {
|
|||
|
|
// 这里无需判断是否loading和开启动画状态，因为最终的状态必须达到opacity: 1，否则可能
|
|||
|
|
// 会停留在opacity: 0.5的状态中
|
|||
|
|
animation.transition(skeleton, {
|
|||
|
|
styles: {
|
|||
|
|
opacity: 1
|
|||
|
|
},
|
|||
|
|
duration: 600,
|
|||
|
|
}, () => {
|
|||
|
|
// 只有在loading中时，才执行动画
|
|||
|
|
this.loading && this.animate && this.setNvueAnimation()
|
|||
|
|
})
|
|||
|
|
})
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
// 获取组件的宽度
|
|||
|
|
async getComponentWidth() {
|
|||
|
|
// 延时一定时间，以获取dom尺寸
|
|||
|
|
await uni.$u.sleep(20)
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
this.$uGetRect('.u-skeleton__wrapper__content').then(size => {
|
|||
|
|
this.width = size.width
|
|||
|
|
})
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
const ref = this.$refs['u-skeleton__wrapper__content']
|
|||
|
|
ref && dom.getComponentRect(ref, (res) => {
|
|||
|
|
this.width = res.size.width
|
|||
|
|
})
|
|||
|
|
// #endif
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
</script>
|
|||
|
|
|
|||
|
|
<style lang="scss" scoped>
|
|||
|
|
@import "../../libs/css/components.scss";
|
|||
|
|
|
|||
|
|
@mixin background {
|
|||
|
|
/* #ifdef APP-NVUE */
|
|||
|
|
background-color: #F1F2F4;
|
|||
|
|
/* #endif */
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
background: linear-gradient(90deg, #F1F2F4 25%, #e6e6e6 37%, #F1F2F4 50%);
|
|||
|
|
background-size: 400% 100%;
|
|||
|
|
/* #endif */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.u-skeleton {
|
|||
|
|
flex: 1;
|
|||
|
|
|
|||
|
|
&__wrapper {
|
|||
|
|
@include flex(row);
|
|||
|
|
|
|||
|
|
&__avatar {
|
|||
|
|
@include background;
|
|||
|
|
margin-right: 15px;
|
|||
|
|
|
|||
|
|
&--circle {
|
|||
|
|
border-radius: 100px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
&--square {
|
|||
|
|
border-radius: 4px;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
&__content {
|
|||
|
|
flex: 1;
|
|||
|
|
|
|||
|
|
&__rows,
|
|||
|
|
&__title {
|
|||
|
|
@include background;
|
|||
|
|
border-radius: 3px;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
.animate {
|
|||
|
|
animation: skeleton 1.8s ease infinite
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
@keyframes skeleton {
|
|||
|
|
0% {
|
|||
|
|
background-position: 100% 50%
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
100% {
|
|||
|
|
background-position: 0 50%
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* #endif */
|
|||
|
|
</style>
|