///

```Python hl_lines="11-14"
{!> ../../docs_src/body_fields/tutorial001.py!}
```

////

`Field` 的工作方式和 `Query`、`Path`、`Body` 相同，参数也相同。

/// note | "技术细节"

实际上，`Query`、`Path` 都是 `Params` 的子类，而 `Params` 类又是 Pydantic 中 `FieldInfo` 的子类。

Pydantic 的 `Field` 返回也是 `FieldInfo` 的类实例。

`Body` 直接返回的也是 `FieldInfo` 的子类的对象。后文还会介绍一些 `Body` 的子类。

注意，从 `fastapi` 导入的 `Query`、`Path` 等对象实际上都是返回特殊类的函数。

///

        try {
            final SearchRenderData data = new SearchRenderData();
            final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
            query = params.getQuery();
            searchHelper.search(params, data, OptionalThing.empty());
            final String execTime = data.getExecTime();
            final String queryTime = Long.toString(data.getQueryTime());

            }
            saveInfo(messages -> messages.addSuccessUploadStemmeroverrideFile(GLOBAL));
            return redirectWith(getClass(), moreUrl("list/1").params("dictId", form.dictId));
        }).orElseGet(() -> {
            throwValidationError(messages -> messages.addErrorsFailedToUploadStemmeroverrideFile(GLOBAL), () -> uploadpage(form.dictId));
            return null;

import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Timeout
import org.junit.jupiter.api.extension.RegisterExtension
import org.junit.jupiter.params.ParameterizedTest
import org.junit.jupiter.params.provider.MethodSource

@Suppress("UsePropertyAccessSyntax")
@Timeout(6)
@Tag("slow")
class SocketChannelTest {
  @JvmField @RegisterExtension
  val platform = PlatformRule()

import okhttp3.HttpUrl.Companion.defaultPort
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okio.buffer
import okio.source
import org.junit.jupiter.params.ParameterizedTest
import org.junit.jupiter.params.provider.ArgumentsSource

/** Runs the web platform URL tests against Java URL models.  */
class WebPlatformUrlTest {
  class TestDataParamProvider : SimpleProvider() {

    private static final List<Class<? extends Annotation>> NULLABLE_ANNOTATIONS = [Nullable, org.jetbrains.annotations.Nullable]

    NullabilityBreakingChangesRule(Map<String, Object> params) {
        super(params)
    }

    @Override
    Violation maybeViolation(JApiCompatibility member) {

        if (isNewOrRemoved(member)) {
            return null
        }

        List<String> warnings = []

func ErrorRespToObjectError(err error, params ...string) error {
	if err == nil {
		return nil
	}

	bucket := ""
	object := ""
	versionID := ""
	if len(params) >= 1 {
		bucket = params[0]
	}
	if len(params) >= 2 {
		object = params[1]
	}
	if len(params) >= 3 {
		versionID = params[2]
	}

	if xnet.IsNetworkOrHostDown(err, false) {

	Vendor             = "vendor"

	// Vendor specific ENV only enabled if the Vendor matches == "vendor"
	KeyCloakRealm    = "keycloak_realm"
	KeyCloakAdminURL = "keycloak_admin_url"

	// Removed params
	JwksURL     = "jwks_url"
	ClaimPrefix = "claim_prefix"
)

// DefaultKVS - default config for OpenID config
var (
	DefaultKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: "",
		},

    assert response.json() == {"foo": "bar"}

    response = client.get("/test1", params={"var": "baz"})
    assert response.status_code == 200
    assert response.json() == {"foo": "baz"}

    response = client.get("/test2")
    assert response.status_code == 200
    assert response.json() == {"foo": "bar"}

    response = client.get("/test2", params={"var": "baz"})
    assert response.status_code == 200

  implementation(projects.mockwebserver3Junit4)
  implementation(projects.mockwebserver3Junit5)
  implementation(libs.aqute.resolve)
  implementation(libs.junit.jupiter.api)
  implementation(libs.junit.jupiter.params)
  implementation(libs.assertk)
  implementation(libs.kotlin.test.common)
  implementation(libs.kotlin.test.junit)

  implementation(libs.nativeImageSvm)

  compileOnly(libs.findbugs.jsr305)
}