**FastAPI** 的 `UploadFile` 直接繼承自 **Starlette** 的 `UploadFile`，但新增了一些必要部分，使其與 **Pydantic** 及 FastAPI 其他部分相容。

///

## 什麼是「表單資料」 { #what-is-form-data }

HTML 表單（`<form></form>`）送到伺服器的資料通常使用一種「特殊」編碼，與 JSON 不同。

**FastAPI** 會從正確的位置讀取該資料，而不是當作 JSON。

/// note | 技術細節

表單資料在不包含檔案時，通常使用媒體型別 `application/x-www-form-urlencoded` 編碼。

但當表單包含檔案時，會使用 `multipart/form-data` 編碼。若你使用 `File`，**FastAPI** 會知道要從請求本文的正確部分取得檔案。

	req.Header.Set("content-md5", "====test")
	jsonReq := dumpRequest(req)
	type jsonResult struct {
		Method     string      `json:"method"`
		RequestURI string      `json:"reqURI"`
		Header     http.Header `json:"header"`
	}
	res := jsonResult{}
	if err = json.Unmarshal([]byte(strings.ReplaceAll(jsonReq, "%%", "%")), &res); err != nil {
		t.Fatal(err)
	}

	// Look for expected method.

		}

		// Reset for the next interval
		timer.Reset(globalAPIConfig.getStaleUploadsCleanupInterval())
	}
}

type auditObjectOp struct {
	Name string `json:"name"`
	Pool int    `json:"poolId"`
	Set  int    `json:"setId"`
}

func (op auditObjectOp) String() string {
	// Flatten the auditObjectOp
	return fmt.Sprintf("name=%s,pool=%d,set=%d", op.Name, op.Pool, op.Set)
}

    with client:
        response = client.get("/prefix")
        assert response.status_code == 200, response.text
        assert response.json() == ["OK"]

        response = client.get("/prefix/")
        assert response.status_code == 200, response.text
        assert response.json() == ["OK"]


def test_include_empty():
    # if both include and router.path are empty - it should raise exception

    /**
     * Retrieves crawling info logs with pagination support.
     *
     * @param body the search body containing pagination and filter parameters
     * @return JSON response containing list of crawling info logs
     */
    // GET /api/admin/crawlinginfo/logs
    // PUT /api/admin/crawlinginfo/logs
    @Execute
    public JsonResponse<ApiResult> logs(final SearchBody body) {

    // GET /api/admin/failureurl/logs
    // PUT /api/admin/failureurl/logs
    /**
     * Retrieves failure URL logs with pagination.
     *
     * @param body the search criteria
     * @return JSON response containing the failure URL logs
     */
    @Execute
    public JsonResponse<ApiResult> logs(final SearchBody body) {
        validateApi(body, messages -> {});

İçiçe modelleri çok iyi işleyemez. Yani istek gövdesindeki JSON, içinde başka alanları ve onlar da içiçe JSON objelerini içeriyorsa, doğru şekilde dökümante edilip doğrulanamaz.

/// check | **FastAPI**'a ilham olan

Harika editör desteği için Python tiplerini kullanmak.

	b, err := json.Marshal(c)
	return string(b[:]), err
}

func (c *Content) Scan(src interface{}) error {
	var value Content
	str, ok := src.(string)
	if !ok {
		byt, ok := src.([]byte)
		if !ok {
			return errors.New("Embedded.Scan byte assertion failed")
		}
		if err := json.Unmarshal(byt, &value); err != nil {
			return err
		}
	} else {

                        "content": {"application/json": {"schema": {}}},
                    },
                },
                "summary": "A",
                "operationId": "a_a_get",
            }
        }
    },
}

client = TestClient(app)


def test_openapi_schema():
    with pytest.raises(ValueError):

    with client:
        response_simple = client.get("/fast_uuid")
        response_pydantic = client.get("/get_custom_class")

    assert response_simple.json() == {
        "fast_uuid": "a10ff360-3b1e-4984-a26f-d3ab460bdb51"
    }

    assert response_pydantic.json() == {
        "a_uuid": "b8799909-f914-42de-91bc-95c819218d01"