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[Doc] update list usage (#1826)
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@ -18,7 +18,11 @@ Vue.use(List);
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:finished="finished"
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@load="onLoad"
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>
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<van-cell v-for="item in list" :key="item" :title="item + ''" />
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<van-cell
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v-for="item in list"
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:key="item"
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:title="item"
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/>
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</van-list>
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```
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@ -12,13 +12,19 @@ Vue.use(List);
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#### 基础用法
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List 组件通过`loading`和`finished`两个变量控制加载状态,当组件滚动到底部时,会触发`load`事件并将`loading`设置成`true`。此时可以发起异步操作并更新数据,数据更新完毕后,将`loading`设置成`false`即可。若数据已全部加载完毕,则直接将`finished`设置成`true`即可。
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```html
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<van-list
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v-model="loading"
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:finished="finished"
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@load="onLoad"
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>
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<van-cell v-for="item in list" :key="item" :title="item + ''" />
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<van-cell
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v-for="item in list"
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:key="item"
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:title="item"
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/>
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</van-list>
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```
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@ -34,12 +40,15 @@ export default {
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methods: {
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onLoad() {
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// 异步更新数据
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setTimeout(() => {
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for (let i = 0; i < 10; i++) {
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this.list.push(this.list.length + 1);
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}
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// 加载状态结束
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this.loading = false;
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// 数据全部加载完成
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if (this.list.length >= 40) {
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this.finished = true;
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}
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@ -53,7 +62,7 @@ export default {
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| 参数 | 说明 | 类型 | 默认值 |
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|-----------|-----------|-----------|-------------|
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| loading | 是否显示加载中提示,加载过程中不触发`load`事件 | `Boolean` | `false` |
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| loading | 是否处于加载状态,加载过程中不触发`load`事件 | `Boolean` | `false` |
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| finished | 是否已加载完成,加载完成后不再触发`load`事件 | `Boolean` | `false` |
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| offset | 滚动条与底部距离小于 offset 时触发`load`事件 | `Number` | `300` |
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| loading-text | 加载中提示文案 | `String` | `加载中...` |
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