49 lines
781 B
Vue
49 lines
781 B
Vue
<template>
|
|
<view class="back-top" @tap="toTop" v-show="showBtn">
|
|
<uni-icons type="arrow-up" size="26" color="#9a99ac"></uni-icons>
|
|
</view>
|
|
</template>
|
|
|
|
<script>
|
|
export default {
|
|
name:"upTop",
|
|
data() {
|
|
return {
|
|
showBtn: false
|
|
};
|
|
},
|
|
props: {
|
|
scrollTop: {
|
|
type: Number,
|
|
default: 0
|
|
}
|
|
},
|
|
methods: {
|
|
topData(e) {
|
|
this.showBtn = e > 50
|
|
},
|
|
// 返回顶部
|
|
toTop() {
|
|
uni.pageScrollTo({
|
|
scrollTop: 0,
|
|
duration: 100
|
|
})
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
|
|
<style lang="stylus" scoped>
|
|
.back-top
|
|
position: fixed;
|
|
z-index: 299;
|
|
right: 11px;
|
|
bottom: 11px;
|
|
background-color: rgba(4, 19, 36, 70%);
|
|
width: 40px;
|
|
height: 40px;
|
|
line-height: 40px;
|
|
border-radius: 50%;
|
|
text-align: center;
|
|
box-shadow: 1px 2px 5px #114d90;
|
|
</style> |