源代码
<template>
<div>
<h2>Virtual Scroll - Lazy Load</h2>
<Panel>
<VirtualScroll style="height:250px"
:data="data"
:lazy="true"
:total="total"
:pageNumber="pageNumber"
:pageSize="pageSize"
:rowHeight="rowHeight"
@pageChange="onPageChange($event)"
@update="items=$event">
<div v-for="item in items" :key="item.id" class="item f-row">
<div class="num">{{item.id}}</div>
<div>
<div class="name">{{item.name}}</div>
<div class="desp">{{item.desp}}</div>
</div>
</div>
</VirtualScroll>
</Panel>
</div>
</template>
<script>
export default {
data() {
return {
total: 10000,
pageNumber: 1,
pageSize: 20,
data: [],
items: [],
rowHeight: 60
};
},
methods: {
onPageChange(event) {
this.getData(event.pageNumber).then(data => {
this.pageNumber = event.pageNumber;
this.data = data;
});
},
getData(pageNumber) {
return new Promise(resolve => {
setTimeout(() => {
let data = [];
let start = (pageNumber - 1) * this.pageSize;
for (let i = start; i < start + this.pageSize; i++) {
data.push({
id: i,
name: "name" + i,
addr: "address" + i,
desp: "description" + i
});
}
resolve(data);
}, 200);
});
}
}
};
</script>
<style>
.item {
height: 60px;
border-bottom: 1px solid #ddd;
padding: 10px 0;
}
.item .num {
width: 40px;
height: 40px;
background: #b8eecf;
border-radius: 20px;
text-align: center;
line-height: 40px;
margin: 0 10px;
}
.item .name {
font-size: 16px;
font-weight: bold;
line-height: 22px;
}
.item .desp {
color: #666;
line-height: 18px;
}
</style>