# nonebot.drivers.\_lifespan

## _class_ `Lifespan()` {#Lifespan}

- **参数**

  empty

### _method_ `on_startup(func)` {#Lifespan-on_startup}

- **参数**

  - `func` (LIFESPAN_FUNC)

- **返回**

  - LIFESPAN_FUNC

### _method_ `on_shutdown(func)` {#Lifespan-on_shutdown}

- **参数**

  - `func` (LIFESPAN_FUNC)

- **返回**

  - LIFESPAN_FUNC

### _async method_ `startup()` {#Lifespan-startup}

- **参数**

  empty

- **返回**

  - None

### _async method_ `shutdown()` {#Lifespan-shutdown}

- **参数**

  empty

- **返回**

  - None
