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78 lines
1.5 KiB
Markdown
78 lines
1.5 KiB
Markdown
## Waterfall
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Note: Waterfall is deprecated and no longer maintained, please use the [List](#/zh-CN/list) component instead.
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### Install
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#### Global registration
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```js
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import Vue from 'vue';
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import { Waterfall } from 'vant';
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Vue.use(Waterfall);
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```
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#### Local registration
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If you just watch to use `Waterfall` in a component, you can register the directive in the component.
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```js
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import { Waterfall } from 'vant';
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export default {
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directives: {
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WaterfallLower: Waterfall('lower'),
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WaterfallUpper: Waterfall('upper')
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}
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};
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```
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### Usage
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#### Basic Usage
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```html
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<ul
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v-waterfall-lower="loadMore"
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waterfall-disabled="disabled"
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waterfall-offset="400"
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>
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<li v-for="item in list">{{ item }}</li>
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</ul>
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```
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```js
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export default {
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data() {
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return {
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list: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
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disabled: false
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};
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},
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directives: {
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WaterfallLower: Waterfall('lower')
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},
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methods: {
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loadMore() {
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this.disabled = true;
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setTimeout(() => {
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for (let i = 0; i < 5; i++) {
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this.list.push(this.list.length);
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}
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this.disabled = false;
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}, 200);
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}
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}
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};
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```
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### API
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| Attribute | Description | Type | Default |
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|------|------|------|------|
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| v-waterfall-lower | Function to trigger when scroll to bottom | `Function` | - |
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| v-waterfall-upper | Function to trigger when scroll to top | `Function` | - |
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| waterfall-disabled | Key of the property to control disable status in instance | `String` | - |
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| waterfall-offset | Offset to trigger callback function | `Number` | `300` |
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