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<template>
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<view v-if="ifshow" class="topcon" @click="gotop">
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<image class="topimg" src="/static/image/top.png" mode="aspectFill" lazy-load></image>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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ifshow:false,
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};
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},
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props: {
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scrollTop: {
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type: Number,
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default: 0
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},
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},
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methods: {
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topData(e){
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//这个e直接是滚动时候的高度
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this.ifshow = e>200;
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this.$forceUpdate();
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},
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gotop(){
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uni.pageScrollTo({
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scrollTop: 0,
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duration: 300 // 动画时长，默认300ms
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});
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.topcon{
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position: fixed;
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right: 20rpx;
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bottom: 180rpx;
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width: 66rpx;
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height: 66rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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background-color: rgba(243, 244, 239, 0.8);
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border-radius: 100% 100%;
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border: 1rpx solid #89965f;
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z-index: 998;
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.topimg{
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width: 40rpx;
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height: 40rpx;
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opacity: 1;
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}
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}
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</style>
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