Cela vous permet de réutiliser le modèle à plusieurs endroits et aussi de déclarer des validations et des métadonnées pour tous les paramètres en une seule fois. 😎

/// note | Remarque

Pris en charge depuis FastAPI version `0.115.0`. 🤓

///

## Déclarer des paramètres de requête avec un modèle Pydantic { #query-parameters-with-a-pydantic-model }

# put linux first in the target list to get all the architectures up front.
linux_targets() {
	selectedtargets | grep 'linux' | sort
}

non_linux_targets() {
	selectedtargets | grep -v 'linux' | sort
}

# Note words in $targets are separated by both newlines and spaces.
targets="$(linux_targets) $(non_linux_targets)"

failed=false
for target in $targets
do
	echo ""
	echo "### Building $target"

  public static int hashCode(int value) {
    return value;
  }

  /**
   * Returns the {@code int} value that is equal to {@code value}, if possible.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Use {@link
   * Math#toIntExact(long)} instead, but be aware that that method throws {@link
   * ArithmeticException} rather than {@link IllegalArgumentException}.

    // No initial or final dashes or underscores.

    if (DASH_MATCHER.matches(part.charAt(0))
        || DASH_MATCHER.matches(part.charAt(part.length() - 1))) {
      return false;
    }

    /*
     * Note that we allow (in contravention of a strict interpretation of the relevant RFCs) domain
     * parts other than the last may begin with a digit (for example, "3com.com"). It's important to

   * considered less than {@code true}). The sign of the value returned is the same as that of
   * {@code ((Boolean) a).compareTo(b)}.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Boolean#compare} method instead.
   *
   * @param a the first {@code boolean} to compare

import org.jspecify.annotations.Nullable;

/**
 * An object which can send data from an object of type {@code T} into a {@code PrimitiveSink}.
 * Implementations for common types can be found in {@link Funnels}.
 *
 * <p>Note that serialization of {@linkplain BloomFilter bloom filters} requires the proper
 * serialization of funnels. When possible, it is recommended that funnels be implemented as a

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.jspecify.annotations.Nullable;

/**
 * Note this class is a copy of {@link com.google.common.collect.AbstractIterator} (for dependency
 * reasons).
 */
@GwtCompatible
abstract class AbstractIterator<T extends @Nullable Object> implements Iterator<T> {

import org.apache.maven.wagon.events.TransferListener;
import org.apache.maven.wagon.providers.file.FileWagon;
import org.apache.maven.wagon.resource.Resource;

/**
 * Wagon used for test cases that annotate some methods. Note that this is not a thread-safe implementation.
 */
public class TestFileWagon extends FileWagon {
    private TestTransferListener testTransferListener;
    private boolean insideGet;

    @Deprecated

Создайте ответ, как описано в [Вернуть Response напрямую](response-directly.md), и передайте заголовки как дополнительный параметр:

{* ../../docs_src/response_headers/tutorial001_py310.py hl[10:12] *}

/// note | Технические детали

Вы также можете использовать `from starlette.responses import Response` или `from starlette.responses import JSONResponse`.

在这个例子中，它将Pydantic模型转换为`dict`，并将`datetime`转换为`str`。

调用它的结果后就可以使用Python标准编码中的[`json.dumps()`](https://docs.python.org/3/library/json.html#json.dumps)。

这个操作不会返回一个包含JSON格式（作为字符串）数据的庞大的`str`。它将返回一个Python标准数据结构（例如`dict`），其值和子值都与JSON兼容。

/// note | 注意

`jsonable_encoder`实际上是**FastAPI**内部用来转换数据的。但是它在许多其他场景中也很有用。