mirror of
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90 lines
1.8 KiB
Markdown
90 lines
1.8 KiB
Markdown
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---
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sidebar_position: 2
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description: nonebot.message 模块
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---
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# nonebot.message
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本模块定义了事件处理主要流程。
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NoneBot 内部处理并按优先级分发事件给所有事件响应器，提供了多个插槽以进行事件的预处理等。
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## _def_ `event_preprocessor(func)` {#event_preprocessor}
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- **说明**
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事件预处理。装饰一个函数，使它在每次接收到事件并分发给各响应器之前执行。
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- **参数**
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- `func` ((\*Any, \*\*Any) -> Any | Awaitable[Any])
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- **返回**
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- (\*Any, \*\*Any) -> Any | Awaitable[Any]
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## _def_ `event_postprocessor(func)` {#event_postprocessor}
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- **说明**
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事件后处理。装饰一个函数，使它在每次接收到事件并分发给各响应器之后执行。
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- **参数**
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- `func` ((\*Any, \*\*Any) -> Any | Awaitable[Any])
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- **返回**
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- (\*Any, \*\*Any) -> Any | Awaitable[Any]
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## _def_ `run_preprocessor(func)` {#run_preprocessor}
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- **说明**
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运行预处理。装饰一个函数，使它在每次事件响应器运行前执行。
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- **参数**
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- `func` ((\*Any, \*\*Any) -> Any | Awaitable[Any])
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- **返回**
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- (\*Any, \*\*Any) -> Any | Awaitable[Any]
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## _def_ `run_postprocessor(func)` {#run_postprocessor}
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- **说明**
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运行后处理。装饰一个函数，使它在每次事件响应器运行后执行。
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- **参数**
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- `func` ((\*Any, \*\*Any) -> Any | Awaitable[Any])
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- **返回**
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- (\*Any, \*\*Any) -> Any | Awaitable[Any]
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## _async def_ `handle_event(bot, event)` {#handle_event}
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- **说明**
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处理一个事件。调用该函数以实现分发事件。
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- **参数**
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- `bot` (Bot): Bot 对象
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- `event` (Event): Event 对象
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- **返回**
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- None
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- **用法**
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```python
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import asyncio
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asyncio.create_task(handle_event(bot, event))
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```
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