.orElse(OptionalEntity.empty());
    }

    /**
     * Get a Kuromoji item.
     *
     * @param dictId The dictionary ID.
     * @param id The ID of the Kuromoji item.
     * @return An optional entity of the Kuromoji item.
     */
    public OptionalEntity<KuromojiItem> getKuromojiItem(final String dictId, final long id) {

    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      System.out.println(response.request().header("Date"));
    }
  }

  static class CurrentDateInterceptor implements Interceptor {
    @Override public Response intercept(Chain chain) throws IOException {

        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new PostString().run();
  }

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float


class ResponseMessage(BaseModel):
    message: str


class User(BaseModel):
    username: str
    email: str


@app.post("/items/", response_model=ResponseMessage, tags=["items"])
async def create_item(item: Item):
    return {"message": "Item received"}

  * Liveness and readiness probes now support more configuration parameters:
periodSeconds, successThreshold, failureThreshold
  * The new ReplicaSet API (Beta) in the Extensions API group is similar to

    exportAllPackages()
    requires("kotlin.stdlib")
    requires("java.logging")
  }
  module("com.squareup.okio:okio", "okio") {
    exportAllPackages()
  }
}

val testJavaVersion = System.getProperty("test.java.version", "21").toInt()

tasks.withType<Test> {
  useJUnitPlatform()

  enabled = testJavaVersion > 8

  javaLauncher.set(javaToolchains.launcherFor {

        // Max write size
        SMBUtil.writeInt4(1048576, buffer, offset + 36);

        // System time
        SMBUtil.writeTime(System.currentTimeMillis(), buffer, offset + 40);

        // Server start time
        SMBUtil.writeTime(System.currentTimeMillis() - 3600000, buffer, offset + 48);

        // Security buffer offset and length

     * Retrieves a specific character mapping item by its ID from the specified dictionary.
     * <p>
     * This method looks up a character mapping item using its unique identifier
     * within the context of the specified dictionary.
     * </p>
     *
     * @param dictId the dictionary ID containing the character mapping item
     * @param id the unique identifier of the character mapping item

                                        "items": {"$ref": "#/components/schemas/Item"},
                                    }
                                }
                            },
                        }
                    },
                },
                "post": {
                    "tags": ["items"],
                    "summary": "Create Item",
                    "operationId": "items-create_item",

/// info

`Body` 同样具有与 `Query`、`Path` 以及其他后面将看到的类完全相同的额外校验和元数据参数。

///

## 嵌入单个请求体参数

假设你只有一个来自 Pydantic 模型 `Item` 的请求体参数 `item`。

默认情况下，**FastAPI** 将直接期望这样的请求体。

但是，如果你希望它期望一个拥有 `item` 键并在值中包含模型内容的 JSON，就像在声明额外的请求体参数时所做的那样，则可以使用一个特殊的 `Body` 参数 `embed`：

```Python
item: Item = Body(embed=True)
```

比如：

{* ../../docs_src/body_multiple_params/tutorial005_an_py310.py hl[17] *}