自動対話型 API ドキュメントが表示されます（[Swagger UI](https://github.com/swagger-api/swagger-ui) が提供しています）。

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### 代替 API ドキュメント { #alternative-api-docs }

次に、[http://127.0.0.1:8000/redoc](http://127.0.0.1:8000/redoc) にアクセスします。

代替の自動ドキュメントが表示されます（[ReDoc](https://github.com/Rebilly/ReDoc) が提供しています）。

   *
   * <p>This method prioritizes convenience over performance: It reads the entire input into memory
   * immediately. To instead read and process lines individually, use an alternative like {@link
   * BufferedReader#lines()}.
   *
   * <p><b>Java 25+ users:</b> If the input is a {@link Reader}, you may prefer {@link

             * because we might close the socket during a
             * request. However the chances are slim and the
             * retry code should ensure the overall request
             * is serviced. The alternative complicates things
             * more than I think is worth it.
             */

            if (socket != null) {
                socket.close();
                socket = null;
            }

<img src="/img/tutorial/path-params/image01.png">

/// check

同樣地，只要使用那個 Python 型別宣告，**FastAPI** 就會提供自動、互動式的文件（整合 Swagger UI）。

注意路徑參數被宣告為整數。

///

## 基於標準的優勢與替代文件 { #standards-based-benefits-alternative-documentation }

而且因為產生的 schema 來自 [OpenAPI](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md) 標準，有很多相容的工具可用。

            assertThat(expected).hasMessageThat().isEqualTo(expectedMessage);
          }
        }
      }
    },
    /*
     * This one comes last to work around b/367716565. (One *possible* alternative would be to not
     * declare any methods in this enum, converting assertFailsToDecode into a static method that is
     * implemented with a `switch`. I haven't tested that.)
     */

你將看到自動的互動式 API 文件（由 [Swagger UI](https://github.com/swagger-api/swagger-ui) 提供）：

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### 替代 API 文件 { #alternative-api-docs }

現在，前往 [http://127.0.0.1:8000/redoc](http://127.0.0.1:8000/redoc)。

你將看到另一種自動文件（由 [ReDoc](https://github.com/Rebilly/ReDoc) 提供）：

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Alternative API documentation with [**ReDoc**](https://github.com/Rebilly/ReDoc).

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### Just Modern Python { #just-modern-python }

![Interação Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Documentação alternativa da API com [**ReDoc**](https://github.com/Rebilly/ReDoc).

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### Apenas Python moderno { #just-modern-python }

자동 대화형 API 문서를 볼 수 있습니다 ([Swagger UI](https://github.com/swagger-api/swagger-ui) 제공):

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### 대안 API 문서 { #alternative-api-docs }

그리고 이제 [http://127.0.0.1:8000/redoc](http://127.0.0.1:8000/redoc)로 가봅시다.

다른 자동 문서를 볼 수 있습니다([ReDoc](https://github.com/Rebilly/ReDoc) 제공):

* Задокументує параметр в OpenAPI-схемі операції шляху (що відобразиться в автоматично згенерованій документації)

## Альтернативний (застарілий) метод: `Query` як значення за замовчуванням { #alternative-old-query-as-the-default-value }