xuan-pay-cweb/components/quick-skeleton.vue

<template>
    <view v-if="show" :style="{width: systemInfo.width + 'px', height: systemInfo.height + 'px', backgroundColor: bgcolor, position: 'absolute', left: 0, top: 0, zIndex: 9998, overflow: 'hidden'}">
        <view v-for="(item,rect_idx) in skeletonRectLists" :key="rect_idx + 'rect'" :class="[loading == 'chiaroscuro' ? 'chiaroscuro' : '']"
        :style="{width: item.width + 'px', height: item.height + 'px', backgroundColor: 'rgb(194, 207, 214)', position: 'absolute', left: item.left + 'px', top: item.top + 'px'}"></view>
        <view v-for="(item,circle_idx) in skeletonCircleLists" :key="circle_idx + 'circle'" :class="loading == 'chiaroscuro' ? 'chiaroscuro' : ''"
        :style="{width: item.width + 'px', height: item.height + 'px', backgroundColor: 'rgb(194, 207, 214)', borderRadius: item.width + 'px', position: 'absolute', left: item.left + 'px', top: item.top + 'px'}"></view>
        <view class="spinbox" v-if="loading == 'spin'">
            <view class="spin"></view>
        </view>
    </view>
</template>

<script>
    export default {
        name: "quick-skeleton",
        props: {
            bgcolor: {
                type: String,
                value: '#FFF'
            },
            selector: {
                type: String,
                value: 'skeleton'
            },
            loading: {
                type: String,
                value: 'spin'
            },
            show: {
                type: Boolean,
                value: false
            },
            isNodes: {
                type: Number,
                value: false
            } //控制什么时候开始抓取元素节点,只要数值改变就重新抓取
        },
        data() {
            return {
                loadingAni: ['spin', 'chiaroscuro'],
                systemInfo: {},
                skeletonRectLists: [],
                skeletonCircleLists: []
            }
        },
        watch: {
            isNodes (val) {
                this.readyAction();
            }
        },
        mounted() {
            this.attachedAction();
        },
        methods: {
            attachedAction: function(){
                //默认的首屏宽高，防止内容闪现
                const systemInfo = uni.getSystemInfoSync();
                this.systemInfo = {
                    width: systemInfo.windowWidth,
                    height: systemInfo.windowHeight
                };
                this.loading = this.loadingAni.includes(this.loading) ? this.loading : 'spin';
            },
            readyAction: function(){
                const that = this;
                //绘制背景
                uni.createSelectorQuery().selectAll(`.${this.selector}`).boundingClientRect().exec(function(res){
                    that.systemInfo.height = res[0][0].height + res[0][0].top;
                });

                //绘制矩形
                this.rectHandle();

                //绘制圆形
                this.radiusHandle();
            },
            rectHandle: function(){
                const that = this;

                //绘制不带样式的节点
                uni.createSelectorQuery().selectAll(`.${this.selector}-rect`).boundingClientRect().exec(function(res){
                    that.skeletonRectLists = res[0];
                });

            },
            radiusHandle(){
                const that = this;

                uni.createSelectorQuery().selectAll(`.${this.selector}-radius`).boundingClientRect().exec(function(res){
                    that.skeletonCircleLists = res[0];
                });
            }
        }
    }
</script>

<style>
.spinbox{
  position: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
  z-index: 9999
}
.spin {
  display: inline-block;
  width: 64rpx;
  height: 64rpx;
}
.spin:after {
  content: " ";
  display: block;
  width: 46rpx;
  height: 46rpx;
  margin: 1rpx;
  border-radius: 50%;
  border: 5rpx solid #409eff;
  border-color: #409eff transparent #409eff transparent;
  animation: spin 1.2s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.chiaroscuro{
  width: 100%;
  height: 100%;
  background: rgb(194, 207, 214);
  animation-duration: 2s;
  animation-name: blink;
  animation-iteration-count: infinite;
}

@keyframes blink {
  0% {
    opacity: .4;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: .4;
  }
}

@keyframes flush {
  0% {
    left: -100%;
  }
  50% {
    left: 0;
  }
  100% {
    left: 100%;
  }
}
.shine {
  animation: flush 2s linear infinite;
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  background: linear-gradient(to left,
  rgba(255, 255, 255, 0) 0%,
  rgba(255, 255, 255, .85) 50%,
  rgba(255, 255, 255, 0) 100%
  )
}
</style>