老师,我的为啥不能返回顶部
来源:1-3 自由编程
慕数据1344648
2019-11-25 18:28:29
<template>
<div class="content-wrapper">
<div class="loading-container" v-if="isLoading">
<!-- <me-loading/> -->
<div class="loading-wrapper">
<me-loading/>
</div>
</div>
<me-scroll ref="scroll" @scroll-end="scrollEnd">
<div class="content">
<div class="pic" v-if="content.banner">
<a :href="content.banner.linkUrl" class="pic-link">
<img @load="updateScroll" :src="content.banner.picUrl" alt="" class="pic-img">
</a>
</div>
<div
class="section"
v-for="(section, index) in content.data"
:key="index"
>
<h4 class="section-title">{{section.name}}</h4>
<ul class="section-list">
<li
class="section-item"
v-for="(item, i) in section.itemList"
:key="i"
>
<a href="" class="section-link">
<p class="section-pic" v-if="item.picUrl">
<img v-lazy="item.picUrl" alt="" class="section-img"/>
</p>
<p class="section-name">{{item.name}}</p>
</a>
</li>
</ul>
</div>
</div>
</me-scroll>
<div class="backtop-btn">
<me-backtop
@backtop="backtop"
:visible='isTopVisible'
></me-backtop>
</div>
</div>
</template>
<script>
import MeLoading from 'base/loading';
import MeScroll from 'base/scroll';
import {getCategoryContent} from 'api/category';
import MeBacktop from 'base/backtop'
// import storage from 'assets/js/storage';
// import {CATEGORY_CONTENT_KEY, CATEGORY_CONTENT_UPDATE_TIME_INTERVAL} from './config';
export default {
name: 'CategoryContent',
components: {
MeLoading,
MeScroll,
MeBacktop
},
props: {
curId: {
type: String,
default: ''
}
},
data() {
return {
isTopVisible: false,
content: {},
isBacktopVisible: false,
isLoading: false
};
},
watch: {
curId(id) {
this.isLoading = true;
this.getContent(id).then(() => {
this.isLoading = false;
});
}
},
methods: {
getContent(id) {
return getCategoryContent(id).then(data => {
if (data) {
this.content = data;
}
});
},
updateScroll() {
this.$refs.scroll && this.$refs.scroll.update();
},
backtop() {
this.$refs.scroll && this.$refs.scroll.scrollToTop('0.3s')
},
scrollEnd(translate, swiper) {
if (translate > 0) {
return
};
this.isTopVisible = -translate > swiper.height;
}
}
};
</script>
<style lang="scss" scoped>
@import "../../assets/scss/mixins";
.content-wrapper {
position: relative;
height: 100%;
}
.loading-container {
position: absolute;
top: 0;
left: 0;
z-index: $category-popup-z-index;
@include flex-center();
width: 100%;
height: 100%;
/*background-color: $modal-bgc;*/
.mine-loading {
color: #fff;
font-size: 14px;
}
}
.loading-wrapper {
width: 50%;
padding: 30px 0;
background-color: $modal-bgc;
border-radius: 4px;
}
.content {
padding: 10px;
}
.pic {
margin-bottom: 12px;
&-link {
display: block;
}
&-img {
width: 100%;
}
}
.section {
margin-bottom: 12px;
&:last-child {
margin-bottom: 0;
}
&-title {
height: 28px;
line-height: 28px;
color: #080808;
font-weight: bold;
}
&-list {
display: flex;
flex-wrap: wrap;
background-color: #fff;
padding: 10px 10px 0;
}
&-item {
width: (100% / 3);
}
&-link {
display: block;
}
&-pic {
position: relative;
width: 80%;
padding-bottom: 80%;
margin: 0 auto;
}
&-img {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
&-name {
height: 36px;
line-height: 36px;
text-align: center;
@include ellipsis();
}
}
.g-backtop-container {
bottom: 10px;
}
.backtop-btn {
position: absolute;
bottom: 10px;
right: 10px;
z-index: $backtop-z-index;
}
</style>
1回答
好帮手慕夭夭
2019-11-25
同学你好,根据你提供的代码测试,点击返回顶部按钮,可以返回顶部。建议同学刷新一下页面,重新测试一下。
祝学习愉快!
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