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docs/en/docs/tutorial/handling-errors.md
# Handling Errors There are many situations in which you need to notify an error to a client that is using your API. This client could be a browser with a frontend, a code from someone else, an IoT device, etc. You could need to tell the client that: * The client doesn't have enough privileges for that operation. * The client doesn't have access to that resource. * The item the client was trying to access doesn't exist. * etc.
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docs/zh/docs/tutorial/handling-errors.md
但对于某些高级应用场景,还是需要添加自定义响应头: ```Python hl_lines="14" {!../../../docs_src/handling_errors/tutorial002.py!} ``` ## 安装自定义异常处理器 添加自定义处理器,要使用 [Starlette 的异常工具](https://www.starlette.io/exceptions/)。 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!} ```
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docs/em/docs/tutorial/handling-errors.md
💭 🌐 👈 **"4️⃣0️⃣4️⃣ 🚫 🔎"** ❌ (& 🤣) ❓ ## ⚙️ `HTTPException` 📨 🇺🇸🔍 📨 ⏮️ ❌ 👩💻 👆 ⚙️ `HTTPException`. ### 🗄 `HTTPException` ```Python hl_lines="1" {!../../../docs_src/handling_errors/tutorial001.py!} ``` ### 🤚 `HTTPException` 👆 📟 `HTTPException` 😐 🐍 ⚠ ⏮️ 🌖 📊 🔗 🔗. ↩️ ⚫️ 🐍 ⚠, 👆 🚫 `return` ⚫️, 👆 `raise` ⚫️.
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