* Affecter ce résultat au paramètre dans votre fonction de chemin d’accès.

```mermaid
graph TB

common_parameters(["common_parameters"])
read_items["/items/"]
read_users["/users/"]

common_parameters --> read_items
common_parameters --> read_users
```

De cette façon vous écrivez le code partagé une seule fois et **FastAPI** se charge de l’appeler pour vos chemins d’accès.

        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();
        assertNotNull(authenticator);

        // The security warning comments should guide users to disable this in production
        // This is a compile-time check that the code structure is correct
        assertTrue(true);
    }

    @Test
    public void test_constantsExist() {

KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

<settings xmlns='http://maven.apache.org/SETTINGS/1.0.0'>
  <localRepository>${user.home}/.m2/repository</localRepository>

# 高级用户指南 { #advanced-user-guide }

## 附加功能 { #additional-features }

主要的[教程 - 用户指南](../tutorial/index.md)足以带你了解 **FastAPI** 的所有主要特性。

在接下来的章节中，你将看到其他选项、配置和附加功能。

/// tip | 提示

接下来的章节**不一定是“高级”的**。

对于你的用例，解决方案很可能就在其中之一。

///

## 先阅读教程 { #read-the-tutorial-first }

仅凭主要[教程 - 用户指南](../tutorial/index.md)中的知识，你已经可以使用 **FastAPI** 的大多数功能。

 * to proceed anyway.
 *
 * @since 33.4.0 (but since 21.0 in the JRE flavor)
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@J2ObjCIncompatible // java.nio.file
// Users are unlikely to use this unless they're already interacting with MoreFiles and Path.
@IgnoreJRERequirement
public final class InsecureRecursiveDeleteException extends FileSystemException {

      return array.length;
    }
  }

  /**
   * Implementation of Striped where up to 2^k stripes can be represented, using an
   * AtomicReferenceArray of size 2^k. To map a user key into a stripe, we take a k-bit slice of the
   * user key's (smeared) hashCode(). The stripes are lazily initialized and are weakly referenced.
   */
  @VisibleForTesting
  static final class SmallLazyStriped<L> extends PowerOfTwoStriped<L> {

{* ../../docs_src/dependencies/tutorial015_an_py310.py ln[10:15] hl[12:14] *}


## Code includes qith title { #code-includes-with-title }

{* ../../docs_src/bigger_applications/app_an_py310/routers/users.py hl[1,3] title["app/routers/users.py"] *}

{* ../../docs_src/bigger_applications/app_an_py310/internal/admin.py hl[3] title["app/internal/admin.py"] *}

## Code includes with unknown attributes { #code-includes-with-unknown-attributes }

  """Get var_name either from env, or user or default.

  If var_name has been set as environment variable, use the preset value, else
  ask for user input. If no input is provided, the default is used.

  Args:
    environ_cp: copy of the os.environ.
    var_name: string for name of environment variable, e.g. "TF_NEED_CUDA".
    ask_for_var: string for how to ask for user input.
    var_default: default value string.

            assertNotNull(ownerUser1, "Owner user should not be null");
            assertNotNull(ownerUser2, "Owner user with resolve should not be null");
            assertNotNull(ownerGroup1, "Owner group should not be null");
            assertNotNull(ownerGroup2, "Owner group with resolve should not be null");
            assertSame(mockSID, ownerUser1, "Should return expected owner user SID");

    String USER_CODE_REQUEST_PARAMETER = "user.code.request.parameter";

    /** The key of the configuration. e.g. 20 */
    String USER_CODE_MIN_LENGTH = "user.code.min.length";

    /** The key of the configuration. e.g. 100 */
    String USER_CODE_MAX_LENGTH = "user.code.max.length";

    /** The key of the configuration. e.g. [a-zA-Z0-9_]+ */
    String USER_CODE_PATTERN = "user.code.pattern";