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docs/zh/docs/advanced/additional-responses.md

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+# Additional Responses in OpenAPI
+
+!!! warning
+    This is a rather advanced topic.
+
+    If you are starting with **FastAPI**, you might not need this.
+
+You can declare additional responses, with additional status codes, media types, descriptions, etc.
+
+Those additional responses will be included in the OpenAPI schema, so they will also appear in the API docs.
+
+But for those additional responses you have to make sure you return a `Response` like `JSONResponse` directly, with your status code and content.
+
+## Additional Response with `model`
+
+You can pass to your *path operation decorators* a parameter `responses`.
+
+It receives a `dict`, the keys are status codes for each response, like `200`, and the values are other `dict`s with the information for each of them.
+
+Each of those response `dict`s can have a key `model`, containing a Pydantic model, just like `response_model`.
+
+**FastAPI** will take that model, generate its JSON Schema and include it in the correct place in OpenAPI.
+
+For example, to declare another response with a status code `404` and a Pydantic model `Message`, you can write:
+
+```Python hl_lines="18  22"
+{!../../../docs_src/additional_responses/tutorial001.py!}
+```
+
+!!! note
+    Have in mind that you have to return the `JSONResponse` directly.
+
+!!! info
+    The `model` key is not part of OpenAPI.
+
+    **FastAPI** will take the Pydantic model from there, generate the `JSON Schema`, and put it in the correct place.
+
+    The correct place is:
+
+    * In the key `content`, that has as value another JSON object (`dict`) that contains:
+        * A key with the media type, e.g. `application/json`, that contains as value another JSON object, that contains:
+            * A key `schema`, that has as the value the JSON Schema from the model, here's the correct place.
+                * **FastAPI** adds a reference here to the global JSON Schemas in another place in your OpenAPI instead of including it directly. This way, other applications and clients can use those JSON Schemas directly, provide better code generation tools, etc.
+
+The generated responses in the OpenAPI for this *path operation* will be:
+
+```JSON hl_lines="3-12"
+{
+    "responses": {
+        "404": {
+            "description": "Additional Response",
+            "content": {
+                "application/json": {
+                    "schema": {
+                        "$ref": "#/components/schemas/Message"
+                    }
+                }
+            }
+        },
+        "200": {
+            "description": "Successful Response",
+            "content": {
+                "application/json": {
+                    "schema": {
+                        "$ref": "#/components/schemas/Item"
+                    }
+                }
+            }
+        },
+        "422": {
+            "description": "Validation Error",
+            "content": {
+                "application/json": {
+                    "schema": {
+                        "$ref": "#/components/schemas/HTTPValidationError"
+                    }
+                }
+            }
+        }
+    }
+}
+```
+
+The schemas are referenced to another place inside the OpenAPI schema:
+
+```JSON hl_lines="4-16"
+{
+    "components": {
+        "schemas": {
+            "Message": {
+                "title": "Message",
+                "required": [
+                    "message"
+                ],
+                "type": "object",
+                "properties": {
+                    "message": {
+                        "title": "Message",
+                        "type": "string"
+                    }
+                }
+            },
+            "Item": {
+                "title": "Item",
+                "required": [
+                    "id",
+                    "value"
+                ],
+                "type": "object",
+                "properties": {
+                    "id": {
+                        "title": "Id",
+                        "type": "string"
+                    },
+                    "value": {
+                        "title": "Value",
+                        "type": "string"
+                    }
+                }
+            },
+            "ValidationError": {
+                "title": "ValidationError",
+                "required": [
+                    "loc",
+                    "msg",
+                    "type"
+                ],
+                "type": "object",
+                "properties": {
+                    "loc": {
+                        "title": "Location",
+                        "type": "array",
+                        "items": {
+                            "type": "string"
+                        }
+                    },
+                    "msg": {
+                        "title": "Message",
+                        "type": "string"
+                    },
+                    "type": {
+                        "title": "Error Type",
+                        "type": "string"
+                    }
+                }
+            },
+            "HTTPValidationError": {
+                "title": "HTTPValidationError",
+                "type": "object",
+                "properties": {
+                    "detail": {
+                        "title": "Detail",
+                        "type": "array",
+                        "items": {
+                            "$ref": "#/components/schemas/ValidationError"
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+```
+
+## Additional media types for the main response
+
+You can use this same `responses` parameter to add different media types for the same main response.
+
+For example, you can add an additional media type of `image/png`, declaring that your *path operation* can return a JSON object (with media type `application/json`) or a PNG image:
+
+```Python hl_lines="19-24  28"
+{!../../../docs_src/additional_responses/tutorial002.py!}
+```
+
+!!! note
+    Notice that you have to return the image using a `FileResponse` directly.
+
+!!! info
+    Unless you specify a different media type explicitly in your `responses` parameter, FastAPI will assume the response has the same media type as the main response class (default `application/json`).
+
+    But if you have specified a custom response class with `None` as its media type, FastAPI will use `application/json` for any additional response that has an associated model.
+
+## Combining information
+
+You can also combine response information from multiple places, including the `response_model`, `status_code`, and `responses` parameters.
+
+You can declare a `response_model`, using the default status code `200` (or a custom one if you need), and then declare additional information for that same response in `responses`, directly in the OpenAPI schema.
+
+**FastAPI** will keep the additional information from `responses`, and combine it with the JSON Schema from your model.
+
+For example, you can declare a response with a status code `404` that uses a Pydantic model and has a custom `description`.
+
+And a response with a status code `200` that uses your `response_model`, but includes a custom `example`:
+
+```Python hl_lines="20-31"
+{!../../../docs_src/additional_responses/tutorial003.py!}
+```
+
+It will all be combined and included in your OpenAPI, and shown in the API docs:
+
+<img src="/img/tutorial/additional-responses/image01.png" />
+
+## Combine predefined responses and custom ones
+
+You might want to have some predefined responses that apply to many *path operations*, but you want to combine them with custom responses needed by each *path operation*.
+
+For those cases, you can use the Python technique of "unpacking" a `dict` with `**dict_to_unpack`:
+
+```Python
+old_dict = {
+    "old key": "old value",
+    "second old key": "second old value",
+}
+new_dict = {**old_dict, "new key": "new value"}
+```
+
+Here, `new_dict` will contain all the key-value pairs from `old_dict` plus the new key-value pair:
+
+```Python
+{
+    "old key": "old value",
+    "second old key": "second old value",
+    "new key": "new value",
+}
+```
+
+You can use that technique to re-use some predefined responses in your *path operations* and combine them with additional custom ones.
+
+For example:
+
+```Python hl_lines="13-17  26"
+{!../../../docs_src/additional_responses/tutorial004.py!}
+```
+
+## More information about OpenAPI responses
+
+To see what exactly you can include in the responses, you can check these sections in the OpenAPI specification:
+
+* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responsesObject" class="external-link" target="_blank">OpenAPI Responses Object</a>, it includes the `Response Object`.
+* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responseObject" class="external-link" target="_blank">OpenAPI Response Object</a>, you can include anything from this directly in each response inside your `responses` parameter. Including `description`, `headers`, `content` (inside of this is that you declare different media types and JSON Schemas), and `links`.

docs/zh/docs/advanced/additional-status-codes.md

@@ -10,25 +10,61 @@
 
 例如，假设你想有一个 *路径操作* 能够更新条目，并且更新成功时返回 200 「成功」 的 HTTP 状态码。
 
-但是你也希望它能够接受新的条目。并且当这些条目不存在时，会自动创建并返回 201 「创建」的 HTTP 状态码。
+但是你也希望它能够接受新的条目。 并且当这些条目不存在时，会自动创建并返回 201 「创建」的 HTTP 状态码。
 
 要实现它，导入 `JSONResponse`，然后在其中直接返回你的内容，并将 `status_code` 设置为为你要的值。
 
-```Python hl_lines="4  25"
-{!../../../docs_src/additional_status_codes/tutorial001.py!}
-```
+=== "Python 3.10+"
 
-!!! warning "警告"
-    当你直接返回一个像上面例子中的 `Response` 对象时，它会直接返回。
+    ```Python hl_lines="4  25"
+    !!! note "技术细节"
+    你也可以使用 <code>from starlette.responses import JSONResponse</code>。
+    ```
+。
+</code>
 
-    FastAPI 不会用模型等对该响应进行序列化。
+=== "Python 3.9+"
 
-    确保其中有你想要的数据，且返回的值为合法的 JSON（如果你使用 `JSONResponse` 的话）。
+    ```Python hl_lines="4  25"
+    !!! warning "警告"
+    当你直接返回一个像上面例子中的 <code>Response</code> 对象时，它会直接返回。
+    ```
+ 对象时，它会直接返回。
+</code>
 
-!!! note "技术细节"
-    你也可以使用 `from starlette.responses import JSONResponse`。　
+=== "Python 3.6+"
 
-    出于方便，**FastAPI** 为开发者提供同 `starlette.responses` 一样的 `fastapi.responses`。但是大多数可用的响应都是直接来自 Starlette。`status` 也是一样。
+    ```Python hl_lines="4  26"
+    {!> ../../../docs_src/additional_status_codes/tutorial001_an.py!}
+    ```
+
+=== "Python 3.10+ non-Annotated"
+
+    !!! tip
+        Prefer to use the `Annotated` version if possible.
+
+    ```Python hl_lines="2  23"
+    {!> ../../../docs_src/additional_status_codes/tutorial001_py310.py!}
+    ```
+
+=== "Python 3.6+ non-Annotated"
+
+    !!! tip
+        Prefer to use the `Annotated` version if possible.
+
+    ```Python hl_lines="4  25"
+    {!../../../docs_src/additional_status_codes/tutorial001.py!}
+    ```
+
+!!! warning
+    When you return a `Response` directly, like in the example above, it will be returned directly.
+
+    FastAPI 不会用模型等对该响应进行序列化。 确保其中有你想要的数据，且返回的值为合法的 JSON（如果你使用 `JSONResponse` 的话）。
+
+!!! note "Technical Details"
+    You could also use `from starlette.responses import JSONResponse`.
+
+    出于方便，**FastAPI** 为开发者提供同 `starlette.responses` 一样的 `fastapi.responses`。 但是大多数可用的响应都是直接来自 Starlette。 `status` 也是一样。
 
 ## OpenAPI 和 API 文档