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🌐 Fix Chinese translation of Tutorial - Query Parameters, remove obsolete content #3051

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tiangolo merged 1 commit into from
May 4, 2021
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🌐 Fix Chinese translation of Tutorial - Query Parameters, remove obsolete content #3051

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33 changes: 0 additions & 33 deletions docs/zh/docs/tutorial/query-params.md
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Expand Up @@ -191,36 +191,3 @@ http://127.0.0.1:8000/items/foo-item?needy=sooooneedy

!!! tip
你还可以像在 [路径参数](path-params.md#predefined-values){.internal-link target=_blank} 中那样使用 `Enum`。

## Optional 类型声明

!!! warning
这可能是一个比较高级的使用场景。

您也可以跳过它。

如果你正在使用 `mypy`，它可能会对如下的类型声明进行警告：

```Python
limit: int = None
```

提示类似以下错误：

```
Incompatible types in assignment (expression has type "None", variable has type "int")
```

在这种情况下，你可以使用 `Optional` 来告诉 `mypy` 该值可以为 `None`，例如：

```Python
from typing import Optional

limit: Optional[int] = None
```

在一个*路径操作*中，看起来会是：

```Python hl_lines="9"
{!../../../docs_src/query_params/tutorial007.py!}
```