<template>
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<div class="p-4 virtual-scroll-demo">
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<Divider>基础滚动示例</Divider>
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<div class="virtual-scroll-demo-wrap">
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<VScroll :itemHeight="41" :items="data" :height="300" :width="300">
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<template v-slot="{ item }">
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<div class="virtual-scroll-demo__item">{{ item.title }}</div>
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</template>
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</VScroll>
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</div>
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<Divider>即使不可见，也预先加载50条数据，防止空白</Divider>
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<div class="virtual-scroll-demo-wrap">
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<VScroll :itemHeight="41" :items="data" :height="300" :width="300" :bench="50">
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<template v-slot="{ item }">
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<div class="virtual-scroll-demo__item">{{ item.title }}</div>
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</template>
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</VScroll>
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</div>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent } from 'vue';
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import { VScroll } from '/@/components/VirtualScroll/index';
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import { Divider } from 'ant-design-vue';
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const data: any[] = (() => {
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const arr: any[] = [];
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for (let index = 1; index < 20000; index++) {
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arr.push({
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title: '列表项' + index,
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});
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}
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return arr;
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})();
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export default defineComponent({
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components: { VScroll: VScroll, Divider },
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setup() {
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return { data: data };
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},
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});
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</script>
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<style lang="less" scoped>
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.virtual-scroll-demo {
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&-wrap {
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display: flex;
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margin: 0 30%;
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background: #fff;
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justify-content: center;
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}
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&__item {
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height: 40px;
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padding: 0 20px;
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line-height: 40px;
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border-bottom: 1px solid #ddd;
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}
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}
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</style>
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