* multiple threads.
 *
 * <p>Popular escapers are defined as constants in classes like {@link
 * com.google.common.html.HtmlEscapers} and {@link com.google.common.xml.XmlEscapers}. To create
 * your own escapers extend this class and implement the {@link #escape(char)} method.
 *
 * @author Sven Mawson
 * @since 15.0
 */
@GwtCompatible

Aqui veremos um exemplo usando <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a>.

📤 🎂 📃 📥 🧾 🔃 ⚫️, 👆 💪 ✍ ⚫️ [🌖 📨 🗄](additional-responses.md){.internal-link target=_blank}.

## 🗄 ➕

🕐❔ 👆 📣 *➡ 🛠️* 👆 🈸, **FastAPI** 🔁 🏗 🔗 🗃 🔃 👈 *➡ 🛠️* 🔌 🗄 🔗.

/// note | 📡 ℹ

🗄 🔧 ⚫️ 🤙 <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#operation-object" class="external-link" target="_blank">🛠️ 🎚</a>.

///

⚫️ ✔️ 🌐 ℹ 🔃 *➡ 🛠️* &amp; ⚙️ 🏗 🏧 🧾.

## Technical Details { #technical-details }

The class `BackgroundTasks` comes directly from <a href="https://www.starlette.io/background/" class="external-link" target="_blank">`starlette.background`</a>.

# Body - Updates { #body-updates }

## Update replacing with `PUT` { #update-replacing-with-put }

To update an item you can use the <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">HTTP `PUT`</a> operation.

You can use the `jsonable_encoder` to convert the input data to data that can be stored as JSON (e.g. with a NoSQL database). For example, converting `datetime` to `str`.

## Detalhes técnicos

A classe `BackgroundTasks` vem diretamente de <a href="https://www.starlette.io/background/" class="external-link" target="_blank">`starlette.background`</a>.

# CORS (Cross-Origin Resource Sharing)

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">CORS ou "Cross-Origin Resource Sharing"</a> refere-se às situações em que um frontend rodando em um navegador possui um código JavaScript que se comunica com um backend, e o backend está em uma "origem" diferente do frontend.

## Origem

* API作成のための<a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank"><strong>OpenAPI</strong></a>。これは、<abbr title="also known as: endpoints, routes">path</abbr> <abbr title="also known as HTTP methods, as POST, GET, PUT, DELETE">operations</abbr>の宣言、パラメータ、ボディリクエスト、セキュリティなどを含んでいます。
* <a href="http://json-schema.org/" class="external-link" target="_blank"><strong>JSONスキーマ</strong></a>を使用したデータモデルのドキュメント自動生成（OpenAPIはJSONスキーマに基づいている）。

➡️ 💬 👈 👆 💚 📨 <a href="https://en.wikipedia.org/wiki/XML" class="external-link" target="_blank">📂</a> 📨.

👆 💪 🚮 👆 📂 🎚 🎻, 🚮 ⚫️ `Response`, &amp; 📨 ⚫️:

{* ../../docs_src/response_directly/tutorial002.py hl[1,18] *}

## 🗒

🕐❔ 👆 📨 `Response` 🔗 🚮 📊 🚫 ✔, 🗜 (🎻), 🚫 📄 🔁.

✋️ 👆 💪 📄 ⚫️ 🔬 [🌖 📨 🗄](additional-responses.md){.internal-link target=_blank}.

```

</div>

&amp; 📂 🩺 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

👆 🔜 👀 🏧 🛠️ 🩺 👑 📱, 🔌 🕴 🚮 👍 _➡ 🛠️_:

<img src="/img/tutorial/sub-applications/image01.png">

&amp; ⤴️, 📂 🩺 🎧-🈸, <a href="http://127.0.0.1:8000/subapi/docs" class="external-link" target="_blank">http://127.0.0.1:8000/subapi/docs</a>.