ion-tab
选项卡组件是 tabs 的子组件。每个选项卡都可以包含应用或单个视图的顶层导航堆栈。一个应用可以有许多选项卡，所有选项卡都有自己独立的导航。
¥The tab component is a child component of tabs. Each tab can contain a top level navigation stack for an app or a single view. An app can have many tabs, all with their own independent navigation.
仅当为 基本用法 配置了 ion-tabs 组件时，Angular、React 和 Vue 才能使用此组件。设置带路由的选项卡时，不能使用 ion-tab 组件。
¥Angular, React, and Vue can only use this component when the ion-tabs component is configured for basic usage. When setting up tabs with routing, the ion-tab component cannot be used.
在 JavaScript 中，此组件可与为 基本用法 或 与路由一起使用 配置的 ion-tabs 组件一起使用。
¥In JavaScript, this component can be used with the ion-tabs component configured for either basic usage or usage with router.
有关配置选项卡的更多详细信息，请参阅 选项卡文档。
¥See the tabs documentation for more details on configuring tabs.
属性
¥Properties
component
| Description | The component to display inside of the tab. |
| Attribute | component |
| Type | Function ｜ HTMLElement ｜ null ｜ string ｜ undefined |
| Default | undefined |
tab
| Description | A tab id must be provided for each ion-tab. It's used internally to reference the selected tab or by the router to switch between them. |
| Attribute | tab |
| Type | string |
| Default | undefined |
事件
¥Events
No events available for this component.
方法
¥Methods
setActive
| Description | Set the active component for the tab |
| Signature | setActive() => Promise<void> |
CSS 阴影部分
¥CSS Shadow Parts
No CSS shadow parts available for this component.
CSS 自定义属性
¥CSS Custom Properties
No CSS custom properties available for this component.
插槽
¥Slots
No slots available for this component.