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68 lines
1.7 KiB
Vue
68 lines
1.7 KiB
Vue
<template><section class="demo-waterfall"><h1 class="demo-title">Waterfall 瀑布流</h1><example-block title="基础用法">
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<p class="page-desc">当即将滚动到元素底部时，会自动加载更多</p>
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<div class="waterfall">
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<div v-waterfall-lower="loadMore" waterfall-disabled="isWaterfallDisabled" waterfall-offset="400">
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<div class="waterfall-item" v-for="item in list" style="text-align: center;">
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{{ item }}
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</div>
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<van-loading v-if="loading" :type="'circle'" :color="'black'"></van-loading>
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</div>
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</div>
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</example-block></section></template>
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<style>
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.waterfall {
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max-height: 360px;
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overflow: scroll;
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border-top: 1px solid #e5e5e5;
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}
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.waterfall-item {
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line-height: 50px;
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border-bottom: 1px solid #e5e5e5;
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}
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.page-desc {
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padding: 5px 0;
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line-height: 1.4;
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font-size: 14px;
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text-align: center;
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color: #666;
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}
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.van-loading {
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margin: 10px auto;
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}
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</style>
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<script>
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import Vue from "vue";import ExampleBlock from "components/example-block";Vue.component("example-block", ExampleBlock);
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export default {
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data() {
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return {
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list: [1, 2, 3, 4, 5],
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loading: false,
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finished: false
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};
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},
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methods: {
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loadMore() {
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if (this.list.length >= 200) {
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this.finished = true;
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return;
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}
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this.loading = true;
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setTimeout(() => {
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let lastNumber = this.list[this.list.length - 1];
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for (let i = 0; i < 5; i ++) {
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lastNumber += 1;
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this.list.push(lastNumber);
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}
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this.loading = false;
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}, 2000);
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}
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},
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computed: {
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isWaterfallDisabled: function() {
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return this.loading || this.finished;
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}
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}
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};
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</script> |