tui-skeleton.vue
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<template>
<view class="tui-skeleton-cmomon tui-skeleton-box" :style="{ width: winWidth + 'px', height: winHeight + 'px', backgroundColor: backgroundColor }">
<view
class="tui-skeleton-cmomon"
v-for="(item, index) in skeletonElements"
:key="index"
:style="{
width: item.width + 'px',
height: item.height + 'px',
left: item.left + 'px',
top: item.top + 'px',
backgroundColor: skeletonBgColor,
borderRadius: getRadius(item.skeletonType, borderRadius)
}"
></view>
<view class="tui-loading" :class="[getLoadingType(loadingType)]" v-if="isLoading"></view>
</view>
</template>
<script>
export default {
name: 'tuiSkeleton',
props: {
//选择器(外层容器)
selector: {
type: String,
default: 'tui-skeleton'
},
//外层容器背景颜色
backgroundColor: {
type: String,
default: '#fff'
},
//骨架元素背景颜色
skeletonBgColor: {
type: String,
default: '#e9e9e9'
},
//骨架元素类型：矩形，圆形，带圆角矩形["rect","circular","fillet"]
//默认所有，根据页面情况进行传值
//页面对应元素class为：tui-skeleton-rect，tui-skeleton-circular，tui-skeleton-fillet
//如果传入的值不在下列数组中，则为自定义class值，默认按矩形渲染
skeletonType: {
type: Array,
default() {
return ['rect', 'circular', 'fillet'];
}
},
//圆角值，skeletonType=fillet时生效
borderRadius: {
type: String,
default: '16rpx'
},
//骨架屏预生成数据：提前生成好的数据，当传入该属性值时，则不会再次查找子节点信息
preloadData: {
type: Array,
default() {
return [];
}
},
//是否需要loading
isLoading: {
type: Boolean,
default: true
},
//loading类型[1-10]
loadingType: {
type: Number,
default: 1
}
},
created() {
const res = uni.getSystemInfoSync();
this.winWidth = res.windowWidth;
this.winHeight = res.windowHeight;
//如果有预生成数据，则直接使用
this.isPreload(true);
},
mounted() {
this.$nextTick(() => {
this.nodesRef(`.${this.selector}`).then(res => {
if (res && res[0]) {
this.winHeight = res[0].height + Math.abs(res[0].top);
}
});
!this.isPreload() && this.selectorQuery();
});
},
data() {
return {
winWidth: 375,
winHeight: 800,
skeletonElements: []
};
},
methods: {
getLoadingType: function(type) {
let value = 1;
if (type && type > 0 && type < 11) {
value = type;
}
return 'tui-loading-' + value;
},
getRadius: function(type, val) {
let radius = '0';
if (type == 'circular') {
radius = '50%';
} else if (type == 'fillet') {
radius = val;
}
return radius;
},
isPreload(init) {
let preloadData = this.preloadData || [];
if (preloadData.length) {
init && (this.skeletonElements = preloadData);
return true;
}
return false;
},
async selectorQuery() {
let skeletonType = this.skeletonType || [];
let nodes = [];
for (let item of skeletonType) {
let className = '';
// #ifndef MP-WEIXIN
className = `.${item}`;
if (~'rect_circular_fillet'.indexOf(item)) {
className = `.${this.selector}-${item}`;
}
// #endif
// #ifdef MP-WEIXIN
className = `.${this.selector} >>> .${item}`;
if (~'rect_circular_fillet'.indexOf(item)) {
className = `.${this.selector} >>> .${this.selector}-${item}`;
}
// #endif
await this.nodesRef(className).then(res => {
res.map(d => {
d.skeletonType = item;
});
nodes = nodes.concat(res);
}).catch(() => {});
}
this.skeletonElements = nodes;
},
async nodesRef(className) {
return await new Promise((resolve, reject) => {
uni
.createSelectorQuery()
.selectAll(className)
.boundingClientRect(res => {
if (res) {
resolve(res);
} else {
reject(res);
}
})
.exec();
});
}
}
};
</script>
<style scoped>
.tui-skeleton-cmomon {
position: absolute;
z-index: 99999;
}
.tui-skeleton-box {
left: 0;
top: 0;
}
.tui-loading {
display: inline-block;
vertical-align: middle;
width: 40rpx;
height: 40rpx;
background: 0 0;
border-radius: 50%;
border: 2px solid;
animation: tui-rotate 0.7s linear infinite;
position: fixed;
z-index: 999999;
left: 50%;
top: 50%;
margin-left: -20rpx;
margin-top: -20rpx;
}
.tui-loading-1 {
border-color: #e5e5e5 #e5e5e5 #e5e5e5 #5677fc;
}
.tui-loading-2 {
border-color: #e5e5e5 #e5e5e5 #e5e5e5 #8f8d8e;
}
.tui-loading-3 {
border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) #fff;
}
.tui-loading-4 {
border-color: #e5e5e5 #e5e5e5 #e5e5e5 #35b06a;
}
.tui-loading-5 {
border-color: #e5e5e5 #e5e5e5 #e5e5e5 #fc872d;
}
.tui-loading-6 {
border-color: #e5e5e5 #e5e5e5 #e5e5e5 #eb0909;
}
.tui-loading-7 {
border-color: #5677fc transparent #5677fc transparent;
}
.tui-loading-8 {
border-color: #35b06a transparent #35b06a transparent;
}
.tui-loading-9 {
border-color: #fc872d transparent #fc872d transparent;
}
.tui-loading-10 {
border-color: #eb0909 transparent #eb0909 transparent;
}
@-webkit-keyframes tui-rotate {
0% {
transform: rotate(0);
}
100% {
transform: rotate(360deg);
}
}
@keyframes tui-rotate {
0% {
transform: rotate(0);
}
100% {
transform: rotate(360deg);
}
}
</style>