316 lines
9.5 KiB
Markdown
316 lines
9.5 KiB
Markdown
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# ActionSheet 动作面板
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### 介绍
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底部弹起的模态面板,包含与当前情境相关的多个选项。
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### 引入
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通过以下方式来全局注册组件,更多注册方式请参考[组件注册](#/zh-CN/advanced-usage#zu-jian-zhu-ce)。
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```js
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import { createApp } from 'vue';
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import { ActionSheet } from 'vant';
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const app = createApp();
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app.use(ActionSheet);
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```
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## 代码演示
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### 基础用法
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动作面板通过 `actions` 属性来定义选项,`actions` 属性是一个由对象构成的数组,数组中的每个对象配置一列,对象格式见文档下方表格。
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```html
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<van-cell is-link title="基础用法" @click="show = true" />
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<van-action-sheet v-model:show="show" :actions="actions" @select="onSelect" />
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```
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```js
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import { ref } from 'vue';
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import { showToast } from 'vant';
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export default {
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setup() {
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const show = ref(false);
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const actions = [
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{ name: '选项一' },
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{ name: '选项二' },
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{ name: '选项三' },
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];
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const onSelect = (item) => {
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// 默认情况下点击选项时不会自动收起
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// 可以通过 close-on-click-action 属性开启自动收起
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show.value = false;
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showToast(item.name);
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};
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return {
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show,
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actions,
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onSelect,
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};
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},
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};
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```
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### 展示图标
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使用 `actions` 的 `icon` 字段可以为选项设置图标。
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```html
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<van-cell is-link title="展示图标" @click="show = true" />
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<van-action-sheet v-model:show="show" :actions="actions" @select="onSelect" />
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```
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```js
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import { ref } from 'vue';
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import { showToast } from 'vant';
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export default {
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setup() {
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const show = ref(false);
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const actions = [
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{ name: '选项一', icon: 'cart-o' },
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{ name: '选项二', icon: 'shop-o' },
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{ name: '选项三', icon: 'star-o' },
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];
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const onSelect = (item) => {
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show.value = false;
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showToast(item.name);
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};
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return {
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show,
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actions,
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onSelect,
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};
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},
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};
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```
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### 展示取消按钮
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设置 `cancel-text` 属性后,会在底部展示取消按钮,点击后关闭当前面板并触发 `cancel` 事件。
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```html
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<van-action-sheet
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v-model:show="show"
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:actions="actions"
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cancel-text="取消"
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close-on-click-action
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@cancel="onCancel"
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/>
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```
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```js
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import { ref } from 'vue';
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import { showToast } from 'vant';
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export default {
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setup() {
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const show = ref(false);
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const actions = [
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{ name: '选项一' },
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{ name: '选项二' },
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{ name: '选项三' },
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];
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const onCancel = () => showToast('取消');
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return {
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show,
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actions,
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onCancel,
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};
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},
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};
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```
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### 展示描述信息
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通过 `description` 可以在菜单顶部显示描述信息,通过选项的 `subname` 属性可以在选项文字的右侧展示描述信息。
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```html
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<van-action-sheet
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v-model:show="show"
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:actions="actions"
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cancel-text="取消"
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description="这是一段描述信息"
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close-on-click-action
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/>
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```
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```js
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import { ref } from 'vue';
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export default {
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setup() {
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const show = ref(false);
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const actions = [
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{ name: '选项一' },
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{ name: '选项二' },
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{ name: '选项三', subname: '描述信息' },
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];
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return {
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show,
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actions,
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};
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},
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};
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```
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### 选项状态
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可以通过 `loading` 和 `disabled` 将选项设置为加载状态或禁用状态,或者通过`color`设置选项的颜色
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```html
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<van-action-sheet
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v-model:show="show"
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:actions="actions"
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cancel-text="取消"
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close-on-click-action
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/>
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```
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```js
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import { ref } from 'vue';
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export default {
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setup() {
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const show = ref(false);
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const actions = [
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{ name: '着色选项', color: '#ee0a24' },
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{ name: '禁用选项', disabled: true },
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{ name: '加载选项', loading: true },
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];
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return {
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show,
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actions,
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};
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},
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};
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```
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### 自定义面板
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通过插槽可以自定义面板的展示内容,同时可以使用`title`属性展示标题栏
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```html
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<van-action-sheet v-model:show="show" title="标题">
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<div class="content">内容</div>
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</van-action-sheet>
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<style>
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.content {
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padding: 16px 16px 160px;
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}
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</style>
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```
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## API
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### Props
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| 参数 | 说明 | 类型 | 默认值 |
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| --- | --- | --- | --- |
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| v-model:show | 是否显示动作面板 | _boolean_ | `false` |
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| actions | 面板选项列表 | _ActionSheetAction[]_ | `[]` |
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| title | 顶部标题 | _string_ | - |
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| cancel-text | 取消按钮文字 | _string_ | - |
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| description | 选项上方的描述信息 | _string_ | - |
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| closeable | 是否显示关闭图标 | _boolean_ | `true` |
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| close-icon | 关闭图标名称或图片链接,等同于 Icon 组件的 [name 属性](#/zh-CN/icon#props) | _string_ | `cross` |
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| duration | 动画时长,单位秒,设置为 0 可以禁用动画 | _number \| string_ | `0.3` |
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| z-index | 将面板的 z-index 层级设置为一个固定值 | _number \| string_ | `2000+` |
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| round | 是否显示圆角 | _boolean_ | `true` |
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| overlay | 是否显示遮罩层 | _boolean_ | `true` |
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| overlay-class | 自定义遮罩层类名 | _string \| Array \| object_ | - |
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| overlay-style | 自定义遮罩层样式 | _object_ | - |
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| lock-scroll | 是否锁定背景滚动 | _boolean_ | `true` |
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| lazy-render | 是否在显示弹层时才渲染节点 | _boolean_ | `true` |
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| close-on-popstate | 是否在页面回退时自动关闭 | _boolean_ | `true` |
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| close-on-click-action | 是否在点击选项后关闭 | _boolean_ | `false` |
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| close-on-click-overlay | 是否在点击遮罩层后关闭 | _boolean_ | `true` |
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| safe-area-inset-bottom | 是否开启[底部安全区适配](#/zh-CN/advanced-usage#di-bu-an-quan-qu-gua-pei) | _boolean_ | `true` |
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| teleport | 指定挂载的节点,等同于 Teleport 组件的 [to 属性](https://cn.vuejs.org/api/built-in-components.html#teleport) | _string \| Element_ | - |
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| before-close | 关闭前的回调函数,返回 `false` 可阻止关闭,支持返回 Promise | _(action: string) => boolean \| Promise\<boolean\>_ | - |
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### Action 数据结构
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`actions` 属性是一个由对象构成的数组,数组中的每个对象配置一列,对象可以包含以下值:
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| 键名 | 说明 | 类型 |
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| ------------- | ------------------------ | --------------------------- |
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| name | 标题 | _string_ |
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| subname | 二级标题 | _string_ |
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| color | 选项文字颜色 | _string_ |
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| icon `v4.8.6` | 选项图标名称或图片链接 | _string_ |
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| className | 为对应列添加额外的 class | _string \| Array \| object_ |
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| loading | 是否为加载状态 | _boolean_ |
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| disabled | 是否为禁用状态 | _boolean_ |
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| callback | 点击时触发的回调函数 | _action: ActionSheetAction_ |
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### Events
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| 事件名 | 说明 | 回调参数 |
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| --- | --- | --- |
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| select | 点击选项时触发,禁用或加载状态下不会触发 | _action: ActionSheetAction, index: number_ |
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| cancel | 点击取消按钮时触发 | - |
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| open | 打开面板时触发 | - |
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| close | 关闭面板时触发 | - |
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| opened | 打开面板且动画结束后触发 | - |
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| closed | 关闭面板且动画结束后触发 | - |
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| click-overlay | 点击遮罩层时触发 | _event: MouseEvent_ |
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### Slots
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| 名称 | 说明 | 参数 |
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| --- | --- | --- |
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| default | 自定义面板的展示内容 | - |
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| description | 自定义描述文案 | - |
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| cancel | 自定义取消按钮内容 | - |
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| action | 自定义选项内容 | _{ action: ActionSheetAction, index: number }_ |
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### 类型定义
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组件导出以下类型定义:
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```ts
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import type { ActionSheetProps, ActionSheetAction } from 'vant';
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```
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## 主题定制
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### 样式变量
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组件提供了下列 CSS 变量,可用于自定义样式,使用方法请参考 [ConfigProvider 组件](#/zh-CN/config-provider)。
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| 名称 | 默认值 | 描述 |
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| --- | --- | --- |
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| --van-action-sheet-max-height | _80%_ | - |
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| --van-action-sheet-header-height | _48px_ | - |
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| --van-action-sheet-header-font-size | _var(--van-font-size-lg)_ | - |
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| --van-action-sheet-description-color | _var(--van-text-color-2)_ | - |
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| --van-action-sheet-description-font-size | _var(--van-font-size-md)_ | - |
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| --van-action-sheet-description-line-height | _var(--van-line-height-md)_ | - |
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| --van-action-sheet-item-background | _var(--van-background-2)_ | - |
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| --van-action-sheet-item-font-size | _var(--van-font-size-lg)_ | - |
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| --van-action-sheet-item-line-height | _var(--van-line-height-lg)_ | - |
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| --van-action-sheet-item-text-color | _var(--van-text-color)_ | - |
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| --van-action-sheet-item-disabled-text-color | _var(--van-text-color-3)_ | - |
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| --van-action-sheet-item-icon-size | _18px_ | - |
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| --van-action-sheet-item-icon-margin-right | _var(--van-padding-xs)_ | - |
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| --van-action-sheet-subname-color | _var(--van-text-color-2)_ | - |
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| --van-action-sheet-subname-font-size | _var(--van-font-size-sm)_ | - |
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| --van-action-sheet-subname-line-height | _var(--van-line-height-sm)_ | - |
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| --van-action-sheet-close-icon-size | _22px_ | - |
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| --van-action-sheet-close-icon-color | _var(--van-gray-5)_ | - |
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| --van-action-sheet-close-icon-padding | _0 var(--van-padding-md)_ | - |
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| --van-action-sheet-cancel-text-color | _var(--van-gray-7)_ | - |
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| --van-action-sheet-cancel-padding-top | _var(--van-padding-xs)_ | - |
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| --van-action-sheet-cancel-padding-color | _var(--van-background)_ | - |
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| --van-action-sheet-loading-icon-size | _22px_ | - |
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