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Example.vue
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Example.vue
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<template>
<header>Vue瀑布流</header>
<VirtualWaterfall
:virtual="waterfallOption.virtual"
:gap="waterfallOption.gap"
:padding="waterfallOption.padding"
:preload-screen-count="[waterfallOption.topPreloadScreenCount, waterfallOption.bottomPreloadScreenCount]"
:item-min-width="waterfallOption.itemMinWidth"
:max-column-count="waterfallOption.maxColumnCount"
:min-column-count="waterfallOption.minColumnCount"
:calc-item-height="calcItemHeight"
:items="data.list"
>
<template #default="{ item }: { item: ItemOption }">
<Card
:item="item"
:onlyImage="waterfallOption.onlyImage"
>
</Card>
</template>
</VirtualWaterfall>
<aside v-if="asideShow">
<form>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">间隔 <code>[0:100]</code></label>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.gap"
min="0"
max="100"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>
px
</span>
</div>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">填充 <code>[0:100]</code></label>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.padding"
min="0"
max="100"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>
px
</span>
</div>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">每个元素的最小宽度 <code>[100:600]</code></label>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.itemMinWidth"
min="100"
max="600"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>px</span
>
</div>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">距离底部多少加载更多 <code>[0:10000]</code></label>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.bottomDistance"
min="0"
max="1000"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>px</span
>
</div>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6"
>最小列数 <code>[0:{{ waterfallOption.maxColumnCount }}]</code>，最大列数 <code>[{{ waterfallOption.minColumnCount }}:10]</code></label
>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.minColumnCount"
min="0"
:max="waterfallOption.maxColumnCount"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>列</span
>
<input
type="number"
class="form-control"
v-model="waterfallOption.maxColumnCount"
:min="waterfallOption.minColumnCount"
max="10"
step="1"
/>
<span
class="input-group-text"
id="basic-addon1"
>列</span
>
</div>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">(顶部/底部)预加载屏 <code>[0:5]</code></label>
<div class="input-group input-group-sm">
<input
type="number"
class="form-control"
v-model="waterfallOption.topPreloadScreenCount"
min="0"
max="5"
step="1"
/>
<input
type="number"
class="form-control"
v-model="waterfallOption.bottomPreloadScreenCount"
min="0"
max="5"
step="1"
/>
</div>
</div>
<div class="form-group form-group-sm form-check form-switch mb-1">
<label class="form-label fs-6">开启虚拟列表</label>
<input
class="form-check-input"
type="checkbox"
v-model="waterfallOption.virtual"
/>
</div>
<div class="form-group form-group-sm form-check form-switch mb-2">
<label class="form-label fs-6">仅展示图片</label>
<input
class="form-check-input"
type="checkbox"
v-model="waterfallOption.onlyImage"
/>
</div>
<div class="form-group form-group-sm mb-2">
<label class="form-label fs-6">数据展示</label>
<p>每页条数: {{ data.size }}</p>
<p>当前页码: {{ data.page }} / {{ data.max }}</p>
<p>已加载量: {{ data.list.length }} / {{ data.total }}</p>
<p>等待加载: {{ waterfallOption.loading }}</p>
</div>
<button
type="button"
class="btn btn-primary btn-sm"
@click="backTop"
>
回到顶部
</button>
</form>
</aside>
</template>
<script setup lang="ts">
import VirtualWaterfall from '../vue-virtual-waterfall/virtual-waterfall.vue'
import Card from './Card.vue'
import useApp from './useApp.ts'
import useWaterfall from './useWaterfall.ts'
const { asideShow } = useApp()
const { backTop, waterfallOption, data, calcItemHeight } = useWaterfall()
</script>
<style lang="scss">
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
padding-top: 72px;
background: #f1f2f6;
user-select: none;
}
header {
position: fixed;
top: 0;
left: 0;
z-index: 1;
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 72px;
font-size: 24px;
background-color: white;
border-bottom: 1px solid #f1f2f6;
}
aside {
position: fixed;
top: 0;
right: 0;
width: 300px;
height: 100%;
padding-top: 72px;
background-color: white;
border-left: 1px solid #f1f2f6;
form {
width: 100%;
height: 100%;
padding: 20px;
p {
margin: 0;
}
}
}
</style>