///

## 其他模型 { #other-models }

現在你可以在*路徑操作函式*中直接取得目前使用者，並在**依賴注入**層處理安全機制，使用 `Depends`。

而且你可以為安全需求使用任意模型或資料（本例中是 Pydantic 模型 `User`）。

但你不受限於某個特定的資料模型、類別或型別。

想在模型中只有 `id` 與 `email` 而沒有任何 `username`？當然可以。你可以用同樣的工具達成。

想只用一個 `str`？或只用一個 `dict`？或直接使用資料庫類別的模型實例？都可以，一樣運作。

你的應用其實沒有真人使用者登入，而是機器人、bot，或其他系統，只持有 access token？同樣沒有問題。

只要用任何你的應用需要的模型、類別或資料庫即可。**FastAPI** 的依賴注入系統都支援。

## 程式碼大小 { #code-size }

    public Integer crudMode;

    /**
     * The bad word to be filtered from search suggestions.
     */
    @Required
    @Pattern(regexp = "[^\\s]+")
    public String suggestWord;

    /**
     * The username of the user who created this bad word entry.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this bad word entry was created.
     */
    @ValidateTypeFailure

            param("env.JDK21", javaHome(OpenJdk21, Os.LINUX))
            param("env.JDK25", javaHome(OpenJdk25, Os.LINUX))
            param("env.ORG_GRADLE_PROJECT_artifactoryUserName", "%gradle.internal.repository.build-tool.publish.username%")
            password("env.ORG_GRADLE_PROJECT_infrastructureEmailPwd", "%infrastructureEmailPwd%")
            param("env.ORG_GRADLE_PROJECT_sdkmanKey", "8ed1a771bc236c287ad93c699bfdd2d7")

    val url: URL = httpUrl.url()
    val uri: URI = httpUrl.uri()
    val scheme: String = httpUrl.scheme()
    val encodedUsername: String = httpUrl.encodedUsername()
    val username: String = httpUrl.username()
    val encodedPassword: String = httpUrl.encodedPassword()
    val password: String = httpUrl.password()
    val host: String = httpUrl.host()
    val port: Int = httpUrl.port()

{* ../../docs_src/security/tutorial005_an_py310.py hl[106,108:116] *}

## Vérifier le `username` et la structure des données { #verify-the-username-and-data-shape }

Nous vérifions que nous obtenons un `username`, et extrayons les scopes.

							<c:choose>
								<c:when test="${!empty username && username != 'guest'}">
									<li class="nav-item">
										<div class="dropdown">
											<a id="userMenu" class="nav-link dropdown-toggle" data-bs-toggle="dropdown"
												href="#" role="button" aria-haspopup="true" aria-expanded="false"
											> <i class="fa fa-fw fa-user" aria-hidden="true"></i>${username}
											</a>

    @Size(max = 10000)
    public String queries;

    /**
     * The virtual host for which these related queries apply.
     */
    @Size(max = 1000)
    public String virtualHost;

    /**
     * The username who created these related queries.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when these related queries were created.
     */
    @ValidateTypeFailure

    public String value;

    /**
     * The web configuration ID associated with this request header.
     */
    @Required
    @Size(max = 1000)
    public String webConfigId;

    /**
     * The username of who created this request header.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this request header was created.
     */
    @ValidateTypeFailure

     */
    public CreateForm() {
        // Empty constructor
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The username of the user.
     */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * The password for the user.
     */
    @Size(max = 100)
    public String password;

    /**

///

Pydantic의 모델 구성을 사용하여 `extra` 필드를 `forbid`할 수 있습니다:

{* ../../docs_src/request_form_models/tutorial002_an_py310.py hl[12] *}

클라이언트가 추가 데이터를 보내려고 하면 **오류** 응답을 받게 됩니다.

예를 들어, 클라이언트가 폼 필드를 보내려고 하면:

* `username`: `Rick`
* `password`: `Portal Gun`
* `extra`: `Mr. Poopybutthole`

`extra` 필드가 허용되지 않는다는 오류 응답을 받게 됩니다:

```json
{
    "detail": [
        {
            "type": "extra_forbidden",