{!../../../docs_src/middleware/tutorial001.py!}
```

!!! tip "팁"
    사용자 정의 헤더는 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">'X-' 접두사를 사용</a>하여 추가할 수 있습니다.

    اما اگر هدرهای سفارشی دارید که می‌خواهید مرورگر کاربر بتواند آنها را ببیند، باید آنها را با استفاده از پارامتر `expose_headers` که در مستندات <a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">CORS از Starlette</a> توضیح داده شده است، به پیکربندی CORS خود اضافه کنید.

!!! توجه "جزئیات فنی"

## 其它中间件

除了上述中间件外，FastAPI 还支持其它ASGI 中间件。

例如：

* <a href="https://docs.sentry.io/platforms/python/asgi/" class="external-link" target="_blank">Sentry</a>
* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn 的 `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">MessagePack</a>

# Middleware

There are several middlewares available provided by Starlette directly.

Read more about them in the [FastAPI docs for Middleware](https://fastapi.tiangolo.com/advanced/middleware/).

::: fastapi.middleware.cors.CORSMiddleware

It can be imported from `fastapi`:

```python
from fastapi.middleware.cors import CORSMiddleware
```

::: fastapi.middleware.gzip.GZipMiddleware

It can be imported from `fastapi`:

Es gibt viele andere ASGI-Middlewares.

Zum Beispiel:

* <a href="https://docs.sentry.io/platforms/python/guides/fastapi/" class="external-link" target="_blank">Sentry</a>
* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorns `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">MessagePack</a>

## 🎏 🛠️

📤 📚 🎏 🔫 🛠️.

🖼:

* <a href="https://docs.sentry.io/platforms/python/asgi/" class="external-link" target="_blank">🔫</a>
* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">🇸🇲</a>

{!../../../docs_src/middleware/tutorial001.py!}
```

!!! tip
    ✔️ 🤯 👈 🛃 © 🎚 💪 🚮 <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">⚙️ '✖-' 🔡</a>.

    ✋️ 🚥 👆 ✔️ 🛃 🎚 👈 👆 💚 👩‍💻 🖥 💪 👀, 👆 💪 🚮 👫 👆 ⚜ 📳 ([⚜ (✖️-🇨🇳 ℹ 🤝)](cors.md){.internal-link target=_blank}) ⚙️ 🔢 `expose_headers` 📄 <a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">💃 ⚜ 🩺</a>.

There are many other ASGI middlewares.

For example:

* <a href="https://docs.sentry.io/platforms/python/guides/fastapi/" class="external-link" target="_blank">Sentry</a>
* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn's `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">MessagePack</a>

```Python hl_lines="8-9  11  14"
{!../../../docs_src/middleware/tutorial001.py!}
```

!!! tip
    Keep in mind that custom proprietary headers can be added <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">using the 'X-' prefix</a>.

```Python hl_lines="8-9  11  14"
{!../../../docs_src/middleware/tutorial001.py!}
```

!!! tip "Tipp"
    Beachten Sie, dass benutzerdefinierte proprietäre Header hinzugefügt werden können. <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">Verwenden Sie dafür das Präfix 'X-'</a>.