*
 * Be advised that short/NetBIOS name usage is not supported with this authenticator. Always specify full FQDNs.
 * This can be a problem if using DFS in it's default configuration as they still return referrals in short form.
 * See <a href="https://support.microsoft.com/en-us/kb/244380">KB-244380</a> for compatible server configuration.
 * See {@link jcifs.Configuration#isDfsConvertToFQDN()} for a workaround.
 */

Para instalarlo manualmente, asegúrate de crear un [entorno virtual](../../virtual-environments.md), activarlo, y luego instalarlo con:

```console
$ pip install python-multipart
```

Esto se debe a que **OAuth2** utiliza "form data" para enviar el `username` y `password`.

///

Ejecuta el ejemplo con:

<div class="termy">

```console
$ fastapi dev

Para instalá-lo manualmente, certifique-se de criar um [ambiente virtual](../../virtual-environments.md), ativá-lo e então instalá-lo com:

```console
$ pip install python-multipart
```

Isso ocorre porque o **OAuth2** usa "form data" para enviar o `username` e o `password`.

///

Execute o exemplo com:

<div class="termy">

```console
$ fastapi dev

    val alternative: MediaType = MultipartBody.ALTERNATIVE
    val digest: MediaType = MultipartBody.DIGEST
    val parallel: MediaType = MultipartBody.PARALLEL
    val form: MediaType = MultipartBody.FORM
  }

  @Test
  fun multipartBodyPart() {
    val requestBody: RequestBody = "".toRequestBody(null)
    var part: MultipartBody.Part = MultipartBody.Part.create(null, requestBody)

,n.always(function(){void 0===i?ce(ie).removeProp(r):ie[r]=i,e[r]&&(e.jsonpCallback=t.jsonpCallback,Kt.push(r)),o&&v(i)&&i(o[0]),o=i=void 0}),"script"}),le.createHTMLDocument=((Jt=C.implementation.createHTMLDocument("").body).innerHTML="<form></form><form></form>",2===Jt.childNodes.length),ce.parseHTML=function(e,t,n){return"string"!=typeof e?[]:("boolean"==typeof t&&(n=t,t=!1),t||(le.createHTMLDocument?((r=(t=C.implementation.createHTMLDocument("")).createElement("base")).href=C.location.href,t...

     * empty values. The order of calling this method, relative to the {@code add()}/{@code
     * addValue()} methods, is not significant.
     *
     * <p><b>Note:</b> in general, code should assume that the string form returned by {@code
     * ToStringHelper} for a given object may change. In particular, the list of types which are
     * checked for emptiness is subject to change. We currently check {@code CharSequence}s, {@code

   *
   * @since 17.0
   */
  public static final MediaType EOT = createConstant(APPLICATION_TYPE, "vnd.ms-fontobject");

  /**
   * As described in the <a href="http://idpf.org/epub">International Digital Publishing Forum</a>
   * EPUB is the distribution and interchange format standard for digital publications and
   * documents. This media type is defined in the <a

若想看包含更多功能的完整範例，請參考 <a href="https://fastapi.tiangolo.com/zh-hant/tutorial/">Tutorial - User Guide</a>。

**劇透警告**：教學 - 使用者指南包含：

* 來自不同來源的**參數**宣告：例如 **headers**、**cookies**、**form fields** 和 **files**。
* 如何設定**驗證限制**，如 `maximum_length` 或 `regex`。
* 一個非常強大且易用的 **<dfn title="也稱為：components、resources、providers、services、injectables">依賴注入</dfn>** 系統。
* 安全與驗證，包含支援 **OAuth2** 搭配 **JWT tokens** 與 **HTTP Basic** 驗證。

      /** The hash code is the same as countMap's, though the objects aren't equal. */
      @Override
      public int hashCode() {
        return countMap.hashCode();
      }
    }

    /** We use a special form of unboxing that treats null as zero. */
    private static int unbox(@Nullable Integer i) {
      return (i == null) ? 0 : i;
    }
  }

수동으로 설치하려면, [가상 환경](../../virtual-environments.md)을 만들고 활성화한 다음, 아래로 설치하세요:

```console
$ pip install python-multipart
```

이는 **OAuth2**가 `username`과 `password`를 보내기 위해 "form data"를 사용하기 때문입니다.

///

다음으로 예제를 실행하세요:

<div class="termy">

```console
$ fastapi dev

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)