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docs/en/docs/tutorial/header-param-models.md

## Check the Docs { #check-the-docs }

You can see the required headers in the docs UI at `/docs`:

<div class="screenshot">
<img src="/img/tutorial/header-param-models/image01.png">
</div>

## Forbid Extra Headers { #forbid-extra-headers }

In some special use cases (probably not very common), you might want to **restrict** the headers that you want to receive.

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs/zh-hant/docs/tutorial/debugging.md

`__name__ == "__main__"` 的主要目的是，當你的檔案以以下方式呼叫時，執行某些程式碼：

<div class="termy">

```console
$ python myapp.py
```

</div>

但當其他檔案匯入它時不會執行，例如：

```Python
from myapp import app
```

#### 更多細節 { #more-details }

假設你的檔名是 `myapp.py`。

如果你用以下方式執行它：

<div class="termy">

```console
$ python myapp.py
```

</div>

那麼在你的檔案中，由 Python 自動建立的內部變數 `__name__`，其值會是字串 `"__main__"`。

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs/zh/docs/tutorial/request-form-models.md

**FastAPI** 将从请求中的**表单数据**中**提取**出**每个字段**的数据，并提供你定义的 Pydantic 模型。

## 检查文档 { #check-the-docs }

你可以在文档 UI 中验证它，地址为 `/docs`：

<div class="screenshot">
<img src="/img/tutorial/request-form-models/image01.png">
</div>

## 禁止额外的表单字段 { #forbid-extra-form-fields }

在某些特殊使用情况下（可能并不常见），你可能希望将表单字段**限制**为仅在 Pydantic 模型中声明过的字段，并**禁止**任何**额外**的字段。

/// note | 注意

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/codelibs/fess

src/main/webapp/WEB-INF/view/admin/dashboard/admin_dashboard.jsp

            key="labels.dashboard_title_configuration"/></title>
    <jsp:include page="/WEB-INF/view/common/admin/head.jsp"></jsp:include>
</head>
<body class="hold-transition sidebar-mini">
<div class="wrapper">
    <jsp:include page="/WEB-INF/view/common/admin/header.jsp"></jsp:include>
    <jsp:include page="/WEB-INF/view/common/admin/sidebar.jsp">
        <jsp:param name="menuCategoryType" value="dashboard"/>

Created: Tue Mar 31 13:07:34 GMT 2026

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github.com/codelibs/fess

src/main/webapp/js/admin/plugins/timepicker/bootstrap-timepicker.min.js

':"")+"</tr></table>",this.template){case"modal":a='<div class="bootstrap-timepicker-widget modal hide fade in" data-backdrop="'+(this.modalBackdrop?"true":"false")+'"><div class="modal-header"><a href="#" class="close" data-dismiss="modal">&times;</a><h3>Pick a Time</h3></div><div class="modal-content">'+f+'</div><div class="modal-footer"><a href="#" class="btn btn-primary" data-dismiss="modal">OK</a></div></div>';break;case"dropdown":a='<div class="bootstrap-timepicker-widget dropdown-menu">'+f+"</div>"}return...

Created: Tue Mar 31 13:07:34 GMT 2026

- Last Modified: Thu Feb 13 04:21:06 GMT 2020

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github.com/codelibs/fess

src/main/webapp/js/bootstrap.min.js

ts",container:!1,customClass:"",delay:0,fallbackPlacements:["top","right","bottom","left"],html:!1,offset:[0,6],placement:"top",popperConfig:null,sanitize:!0,sanitizeFn:null,selector:!1,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',title:"",trigger:"hover focus"},De={allowList:"object",animation:"boolean",boundary:"(string|element)",container:"(string|element|boolean)",customClass:"(string|function)",delay:"(number|object)...

Created: Tue Mar 31 13:07:34 GMT 2026

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github.com/tiangolo/fastapi

docs/ja/docs/tutorial/index.md

```

</div>

コードを記述またはコピーし、編集してローカルで実行することを**強く推奨します**。

エディターで使用することで、書く必要のあるコードの少なさ、すべての型チェック、自動補完など、FastAPIの利点を本当に実感できます。

---

## FastAPIをインストールする { #install-fastapi }

最初のステップは、FastAPIのインストールです。

[仮想環境](../virtual-environments.md) を作成して有効化し、それから **FastAPIをインストール** してください:

<div class="termy">

```console
$ pip install "fastapi[standard]"

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/codelibs/fess

src/main/webapp/js/admin/plugins/form-validator/jquery.form-validator.min.js

RegExp(e,"gi"),"<strong>$&</strong>")))})}i||0===d.length&&k.length>0?k.hide():d.length>0&&0===k.length?(k=a("<div></div>").css(f.css).appendTo("body"),b.addClass("suggestions-"+j),k.attr("data-suggest-container",j).addClass("jquery-form-suggestions").addClass("jquery-form-suggestion-"+j)):d.length>0&&!k.is(":visible")&&k.show(),d.length>0&&e.length!==d[0].length&&(g(k,c),k.html(""),a.each(d,function(b,d){a("<div></div>").append(d).css({overflow:"hidden",textOverflow:"ellipsis",whiteSpace:"nowrap",padding:"5px"}...

Created: Tue Mar 31 13:07:34 GMT 2026

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github.com/codelibs/fess

src/test/java/org/codelibs/fess/mylasta/direction/FessPropTest.java

        assertFalse(matchesTag(tags[0], "<a></a>"));

        assertTrue(matchesTag(tags[1], "<div id=\"main\"></div>"));
        assertFalse(matchesTag(tags[1], "<div></div>"));

        assertTrue(matchesTag(tags[2], "<p class=\"image\"></p>"));
        assertFalse(matchesTag(tags[2], "<p></p>"));

        assertTrue(matchesTag(tags[3], "<a rel=\"nofollow\"></a>"));

Created: Tue Mar 31 13:07:34 GMT 2026

- Last Modified: Fri Mar 13 23:01:26 GMT 2026

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github.com/tiangolo/fastapi

docs/en/docs/advanced/json-base64-bytes.md

{* ../../docs_src/json_base64_bytes/tutorial001_py310.py ln[1:9,29:35] hl[9] *}

If you check the `/docs`, they will show that the field `data` expects base64 encoded bytes:

<div class="screenshot">
<img src="/img/tutorial/json-base64-bytes/image01.png">
</div>

You could send a request like:

```json
{
    "description": "Some data",
    "data": "aGVsbG8="
}
```

/// tip

Created: Sun Apr 05 07:19:11 GMT 2026

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