VirtualScroll.vue
1.72 KB
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<template>
<PageWrapper class="virtual-scroll-demo">
<Divider>基础滚动示例</Divider>
<div class="virtual-scroll-demo-wrap">
<VScroll :itemHeight="41" :items="data" :height="300" :width="300">
<template #default="{ item }">
<div class="virtual-scroll-demo__item">
{{ item.title }}
</div>
</template>
</VScroll>
</div>
<Divider>即使不可见，也预先加载50条数据，防止空白</Divider>
<div class="virtual-scroll-demo-wrap">
<VScroll :itemHeight="41" :items="data" :height="300" :width="300" :bench="50">
<template #default="{ item }">
<div class="virtual-scroll-demo__item">
{{ item.title }}
</div>
</template>
</VScroll>
</div>
</PageWrapper>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import { VScroll } from '/@/components/VirtualScroll/index';
import { Divider } from 'ant-design-vue';
import { PageWrapper } from '/@/components/Page';
const data: Recordable[] = (() => {
const arr: Recordable[] = [];
for (let index = 1; index < 20000; index++) {
arr.push({
title: '列表项' + index,
});
}
return arr;
})();
export default defineComponent({
components: { VScroll: VScroll, Divider, PageWrapper },
setup() {
return { data: data };
},
});
</script>
<style lang="less" scoped>
.virtual-scroll-demo {
&-wrap {
display: flex;
margin: 0 30%;
background-color: @component-background;
justify-content: center;
}
&__item {
height: 40px;
padding: 0 20px;
line-height: 40px;
border-bottom: 1px solid @border-color-base;
}
}
</style>