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  1. docs/en/docs/tutorial/handling-errors.md

    And you want to handle this exception globally with FastAPI.
    
    You could add a custom exception handler with `@app.exception_handler()`:
    
    ```Python hl_lines="5-7  13-18  24"
    {!../../../docs_src/handling_errors/tutorial003.py!}
    ```
    
    Here, if you request `/unicorns/yolo`, the *path operation* will `raise` a `UnicornException`.
    
    But it will be handled by the `unicorn_exception_handler`.
    
    Plain Text
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  2. docs/zh/docs/tutorial/handling-errors.md

    假设要触发的自定义异常叫作 `UnicornException`。
    
    且需要 FastAPI 实现全局处理该异常。
    
    此时,可以用 `@app.exception_handler()` 添加自定义异常控制器:
    
    ```Python hl_lines="5-7  13-18  24"
    {!../../../docs_src/handling_errors/tutorial003.py!}
    
    ```
    
    请求 `/unicorns/yolo` 时,路径操作会触发 `UnicornException`。
    
    但该异常将会被 `unicorn_exception_handler` 处理。
    
    接收到的错误信息清晰明了,HTTP 状态码为 `418`,JSON 内容如下:
    
    ```JSON
    Plain Text
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  3. docs/em/docs/tutorial/handling-errors.md

    & 👆 💚 🍵 👉 ⚠ 🌐 ⏮️ FastAPI.
    
    👆 💪 🚮 🛃 ⚠ 🐕‍🦺 ⏮️ `@app.exception_handler()`:
    
    ```Python hl_lines="5-7  13-18  24"
    {!../../../docs_src/handling_errors/tutorial003.py!}
    ```
    
    📥, 🚥 👆 📨 `/unicorns/yolo`, *➡ 🛠️* 🔜 `raise` `UnicornException`.
    
    ✋️ ⚫️ 🔜 🍵 `unicorn_exception_handler`.
    
    , 👆 🔜 📨 🧹 ❌, ⏮️ 🇺🇸🔍 👔 📟 `418` & 🎻 🎚:
    
    ```JSON
    Plain Text
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