49 lines
790 B
Vue
49 lines
790 B
Vue
<template>
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<view class="back-top" @tap="toTop" v-show="showBtn">
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<uni-icons class="zd_icon_wraper" type="arrow-up" size="30"></uni-icons>
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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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name:"upTop",
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data() {
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return {
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showBtn: 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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this.showBtn = e > 50
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},
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// 返回顶部
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toTop() {
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uni.pageScrollTo({
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scrollTop: 0,
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duration: 100
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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="stylus" scoped>
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.back-top
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position: fixed;
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z-index: 9999;
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right: 20rpx;
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bottom: 150rpx;
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background-color: #fff;
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width: 80rpx;
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height: 80rpx;
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line-height: 80rpx;
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border-radius: 50%;
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text-align: center;
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box-shadow: 0 4rpx 16rpx rgba(28,31,35,.3);
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</style> |