/// tip | Підказка

Ми використовуємо `Query()`, оскільки це **query параметр**. Далі ми розглянемо інші варіанти, як-от `Path()`, `Body()`, `Header()` та `Cookie()`, які приймають ті самі аргументи, що й `Query()`.

///

Тепер FastAPI:

* **Перевірить** дані, щоб переконатися, що їхня довжина не перевищує 50 символів

* <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> 中:

![editor support](https://fastapi.tiangolo.com/img/pycharm-completion.png)

你將能進行程式碼補齊，這是在之前你可能曾認為不可能的事。例如，請求 JSON body（可能是巢狀的）中的鍵 `price`。

這樣比較不會輸錯鍵名，不用來回翻看文件，也不用來回滾動尋找你最後使用的 `username` 或者 `user_name`。



### 簡潔

FastAPI 為你提供了**預設值**，讓你不必在初期進行繁瑣的配置，一切都可以自動運作。如果你有更具體的需求，則可以進行調整和自定義，

	CheckDMReplicationReady bool // Is delete marker ready to be replicated - set only during HEAD
	Tagging                 bool // Is only in GET/HEAD operations to return tagging metadata along with regular metadata and body.

	UserDefined         map[string]string   // only set in case of POST/PUT operations
	ObjectAttributes    map[string]struct{} // Attribute tags defined by the users for the GetObjectAttributes request

$popover-header-bg;\n  border-bottom: $popover-border-width solid darken($popover-header-bg, 5%);\n  @include border-top-radius($popover-inner-border-radius);\n\n  &:empty {\n    display: none;\n  }\n}\n\n.popover-body {\n  padding: $popover-body-padding-y $popover-body-padding-x;\n  color: $popover-body-color;\n}\n","// Notes on the classes:\n//\n// 1. .carousel.pointer-event should ideally be pan-y (to allow for users to scroll vertically)\n//    even when their scroll action started on a carousel, but for...

 * always very useful information.
 *
 * <p>On the other hand, a <i>parameter</i> type of {@link ImmutableList} is generally a nuisance to
 * callers. Instead, accept {@link Iterable} and have your method or constructor body pass it to the
 * appropriate {@code copyOf} method itself.
 *
 * <p>Expressing the immutability guarantee directly in the type that user code references is a

 * always very useful information.
 *
 * <p>On the other hand, a <i>parameter</i> type of {@link ImmutableList} is generally a nuisance to
 * callers. Instead, accept {@link Iterable} and have your method or constructor body pass it to the
 * appropriate {@code copyOf} method itself.
 *
 * <p>Expressing the immutability guarantee directly in the type that user code references is a

New",monospace}*,::after,::before{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-h...

"boolean"!=typeof e),i=r||(!0===e||!0===t?"margin":"border");return M(this,function(e,t,n){var r;return y(e)?0===o.indexOf("outer")?e["inner"+a]:e.document.documentElement["client"+a]:9===e.nodeType?(r=e.documentElement,Math.max(e.body["scroll"+a],r["scroll"+a],e.body["offset"+a],r["offset"+a],r["client"+a])):void 0===n?ce.css(e,t,i):ce.style(e,t,n,i)},s,n?e:void 0,n)}})}),ce.each(["ajaxStart","ajaxStop","ajaxComplete","ajaxError","ajaxSuccess","ajaxSend"],function(e,t){ce.fn[t]=function(e){return...

Por ejemplo, si declaras un parámetro de tipo `Hero`, será leído desde el **JSON body**.

De la misma manera, puedes declararlo como el **tipo de retorno** de la función, y luego la forma de los datos aparecerá en la interfaz automática de documentación de la API.

Because each SQLModel model is also a Pydantic model, you can use it in the same **type annotations** that you could use Pydantic models.

For example, if you declare a parameter of type `Hero`, it will be read from the **JSON body**.

The same way, you can declare it as the function's **return type**, and then the shape of the data will show up in the automatic API docs UI.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[40:45] hl[40:45] *}