mirror of
https://github.com/nonebot/nonebot2.git
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285 lines
7.3 KiB
Markdown
285 lines
7.3 KiB
Markdown
---
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sidebar_position: 0
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description: nonebot 模块
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---
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# nonebot
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本模块主要定义了 NoneBot 启动所需函数，供 bot 入口文件调用。
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## 快捷导入
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为方便使用，本模块从子模块导入了部分内容，以下内容可以直接通过本模块导入:
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- `on` => [`on`](plugin/on.md#on)
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- `on_metaevent` => [`on_metaevent`](plugin/on.md#on-metaevent)
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- `on_message` => [`on_message`](plugin/on.md#on-message)
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- `on_notice` => [`on_notice`](plugin/on.md#on-notice)
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- `on_request` => [`on_request`](plugin/on.md#on-request)
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- `on_startswith` => [`on_startswith`](plugin/on.md#on-startswith)
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- `on_endswith` => [`on_endswith`](plugin/on.md#on-endswith)
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- `on_fullmatch` => [`on_fullmatch`](plugin/on.md#on-fullmatch)
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- `on_keyword` => [`on_keyword`](plugin/on.md#on-keyword)
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- `on_command` => [`on_command`](plugin/on.md#on-command)
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- `on_shell_command` => [`on_shell_command`](plugin/on.md#on-shell-command)
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- `on_regex` => [`on_regex`](plugin/on.md#on-regex)
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- `on_type` => [`on_type`](plugin/on.md#on-type)
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- `CommandGroup` => [`CommandGroup`](plugin/on.md#CommandGroup)
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- `Matchergroup` => [`MatcherGroup`](plugin/on.md#MatcherGroup)
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- `load_plugin` => [`load_plugin`](plugin/load.md#load-plugin)
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- `load_plugins` => [`load_plugins`](plugin/load.md#load-plugins)
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- `load_all_plugins` => [`load_all_plugins`](plugin/load.md#load-all-plugins)
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- `load_from_json` => [`load_from_json`](plugin/load.md#load-from-json)
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- `load_from_toml` => [`load_from_toml`](plugin/load.md#load-from-toml)
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- `load_builtin_plugin` =>
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[`load_builtin_plugin`](plugin/load.md#load-builtin-plugin)
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- `load_builtin_plugins` =>
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[`load_builtin_plugins`](plugin/load.md#load-builtin-plugins)
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- `get_plugin` => [`get_plugin`](plugin/index.md#get-plugin)
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- `get_plugin_by_module_name` =>
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[`get_plugin_by_module_name`](plugin/index.md#get-plugin-by-module-name)
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- `get_loaded_plugins` =>
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[`get_loaded_plugins`](plugin/index.md#get-loaded-plugins)
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- `get_available_plugin_names` =>
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[`get_available_plugin_names`](plugin/index.md#get-available-plugin-names)
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- `get_plugin_config` => [`get_plugin_config`](plugin/index.md#get-plugin-config)
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- `require` => [`require`](plugin/load.md#require)
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## _def_ `get_driver()` {#get-driver}
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- **说明**
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获取全局 [Driver](drivers/index.md#Driver) 实例。
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可用于在计划任务的回调等情形中获取当前 [Driver](drivers/index.md#Driver) 实例。
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- **参数**
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empty
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- **返回**
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- [Driver](drivers/index.md#Driver): 全局 [Driver](drivers/index.md#Driver) 对象
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- **异常**
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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driver = nonebot.get_driver()
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```
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## _def_ `get_adapter(name)` {#get-adapter}
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- **说明:** 获取已注册的 [Adapter](adapters/index.md#Adapter) 实例。
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- **重载**
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**1.** `(name) -> Adapter`
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- **参数**
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- `name` (str): 适配器名称
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- **返回**
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- [Adapter](adapters/index.md#Adapter): 指定名称的 [Adapter](adapters/index.md#Adapter) 对象
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**2.** `(name) -> A`
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- **参数**
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- `name` (type[A]): 适配器类型
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- **返回**
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- A: 指定类型的 [Adapter](adapters/index.md#Adapter) 对象
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- **异常**
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- ValueError: 指定的 [Adapter](adapters/index.md#Adapter) 未注册
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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from nonebot.adapters.console import Adapter
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adapter = nonebot.get_adapter(Adapter)
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```
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## _def_ `get_adapters()` {#get-adapters}
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- **说明:** 获取所有已注册的 [Adapter](adapters/index.md#Adapter) 实例。
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- **参数**
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empty
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- **返回**
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- dict[str, [Adapter](adapters/index.md#Adapter)]: 所有 [Adapter](adapters/index.md#Adapter) 实例字典
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- **异常**
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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adapters = nonebot.get_adapters()
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```
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## _def_ `get_app()` {#get-app}
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- **说明:** 获取全局 [ASGIMixin](drivers/index.md#ASGIMixin) 对应的 Server App 对象。
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- **参数**
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empty
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- **返回**
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- Any: Server App 对象
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- **异常**
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- AssertionError: 全局 Driver 对象不是 [ASGIMixin](drivers/index.md#ASGIMixin) 类型
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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app = nonebot.get_app()
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```
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## _def_ `get_asgi()` {#get-asgi}
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- **说明:** 获取全局 [ASGIMixin](drivers/index.md#ASGIMixin) 对应的 [ASGI](https://asgi.readthedocs.io/) 对象。
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- **参数**
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empty
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- **返回**
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- Any: ASGI 对象
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- **异常**
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- AssertionError: 全局 Driver 对象不是 [ASGIMixin](drivers/index.md#ASGIMixin) 类型
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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asgi = nonebot.get_asgi()
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```
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## _def_ `get_bot(self_id=None)` {#get-bot}
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- **说明**
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获取一个连接到 NoneBot 的 [Bot](adapters/index.md#Bot) 对象。
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当提供 `self_id` 时，此函数是 `get_bots()[self_id]` 的简写；
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当不提供时，返回一个 [Bot](adapters/index.md#Bot)。
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- **参数**
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- `self_id` (str | None): 用来识别 [Bot](adapters/index.md#Bot) 的 [Bot.self_id](adapters/index.md#Bot-self-id) 属性
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- **返回**
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- [Bot](adapters/index.md#Bot): [Bot](adapters/index.md#Bot) 对象
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- **异常**
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- KeyError: 对应 self_id 的 Bot 不存在
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- ValueError: 没有传入 self_id 且没有 Bot 可用
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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assert nonebot.get_bot("12345") == nonebot.get_bots()["12345"]
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another_unspecified_bot = nonebot.get_bot()
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```
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## _def_ `get_bots()` {#get-bots}
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- **说明:** 获取所有连接到 NoneBot 的 [Bot](adapters/index.md#Bot) 对象。
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- **参数**
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empty
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- **返回**
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- dict[str, [Bot](adapters/index.md#Bot)]: 一个以 [Bot.self_id](adapters/index.md#Bot-self-id) 为键
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[Bot](adapters/index.md#Bot) 对象为值的字典
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- **异常**
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- ValueError: 全局 [Driver](drivers/index.md#Driver) 对象尚未初始化 ([nonebot.init](#init) 尚未调用)
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- **用法**
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```python
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bots = nonebot.get_bots()
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```
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## _def_ `init(*, _env_file=None, **kwargs)` {#init}
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- **说明**
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初始化 NoneBot 以及 全局 [Driver](drivers/index.md#Driver) 对象。
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NoneBot 将会从 .env 文件中读取环境信息，并使用相应的 env 文件配置。
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也可以传入自定义的 `_env_file` 来指定 NoneBot 从该文件读取配置。
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- **参数**
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- `_env_file` (DOTENV_TYPE | None): 配置文件名，默认从 `.env.{env_name}` 中读取配置
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- `**kwargs` (Any): 任意变量，将会存储到 [Driver.config](drivers/index.md#Driver-config) 对象里
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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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nonebot.init(database=Database(...))
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```
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## _def_ `run(*args, **kwargs)` {#run}
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- **说明:** 启动 NoneBot，即运行全局 [Driver](drivers/index.md#Driver) 对象。
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- **参数**
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- `*args` (Any): 传入 [Driver.run](drivers/index.md#Driver-run) 的位置参数
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- `**kwargs` (Any): 传入 [Driver.run](drivers/index.md#Driver-run) 的命名参数
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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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nonebot.run(host="127.0.0.1", port=8080)
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```
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