# 请求体 - 更新数据

## 用 `PUT` 更新数据

更新数据请用 <a href="https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">HTTP `PUT`</a> 操作。

把输入数据转换为以 JSON 格式存储的数据（比如，使用 NoSQL 数据库时），可以使用 `jsonable_encoder`。例如，把 `datetime` 转换为 `str`。

{* ../../docs_src/body_updates/tutorial001.py hl[30:35] *}

`PUT` 用于接收替换现有数据的数据。

### 关于更新数据的警告

用 `PUT` 把数据项 `bar` 更新为以下内容时：

```Python
{
    "name": "Barz",

# Body - Обновления { #body-updates }

## Обновление с заменой при помощи `PUT` { #update-replacing-with-put }

Для полного обновления элемента можно воспользоваться операцией <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">HTTP `PUT`</a>.

/// tip | Dica

Para saber mais sobre cada código de status e qual código serve para quê, verifique a <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status" class="external-link" target="_blank">documentação do <abbr title="Mozilla Developer Network – Rede de Desenvolvedores da Mozilla">MDN</abbr> sobre códigos de status HTTP</a>.

///

## Atalho para lembrar os nomes { #shortcut-to-remember-the-names }

/// tip | Tipp

Um mehr über die einzelnen Statuscodes zu erfahren und welcher wofür verwendet wird, sehen Sie sich die <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status" class="external-link" target="_blank"><abbr title="Mozilla Developer Network – Mozilla-Entwicklernetzwerk">MDN</abbr> Dokumentation über HTTP-Statuscodes</a> an.

///

/// tip | Подсказка

Чтобы узнать больше о HTTP кодах статуса и о том, для чего каждый из них предназначен, ознакомьтесь с <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status" class="external-link" target="_blank"><abbr title="Mozilla Developer Network – Сеть разработчиков Mozilla">MDN</abbr> документацией об HTTP статус-кодах</a>.

///

그러나 폼에 파일이 포함된 경우, `multipart/form-data`로 인코딩합니다. 다음 장에서 파일 처리에 대해 읽을 겁니다.


이러한 인코딩 및 폼 필드에 대해 더 읽고 싶다면, <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/POST" class="external-link" target="_blank"><code>POST</code>에 대한 <abbr title="Mozilla Developer Network">MDN</a> 웹 문서를 참조하세요.

///

/// warning | 경고

///

## Cabeçalhos personalizados { #custom-headers }

Tenha em mente que cabeçalhos personalizados proprietários podem ser adicionados <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">usando o prefixo `X-`</a>.

/// tip | Consejo

Para saber más sobre cada código de estado y qué código es para qué, revisa la <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status" class="external-link" target="_blank">documentación de <abbr title="Mozilla Developer Network – Red de Desarrolladores de Mozilla">MDN</abbr> sobre códigos de estado HTTP</a>.

///

# Corpo - Atualizações { #body-updates }

## Atualização de dados existentes com `PUT` { #update-replacing-with-put }

Para atualizar um item, você pode usar a operação <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">HTTP `PUT`</a>.

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