<div class="row">
                                <div class="col-sm-12">
                                    <la:form styleClass="form-inline"
                                             action="/admin/crawlinginfo/">
                                        <div class="form-group">
                                            <c:set var="ph_session_id">

			return
		}
	}

	sizeStr := r.Form.Get(peerRESTSize)
	durationStr := r.Form.Get(peerRESTDuration)
	concurrentStr := r.Form.Get(peerRESTConcurrent)
	storageClass := strings.TrimSpace(r.Form.Get(peerRESTStorageClass))
	customBucket := strings.TrimSpace(r.Form.Get(peerRESTBucket))
	autotune := r.Form.Get("autotune") == "true"
	noClear := r.Form.Get("noclear") == "true"

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str


@app.post("/login/")
async def login(data: FormData = Form()):

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="stemmeroverrideFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_stemmeroverride_file"/></label>
                                    <div class="col-sm-9">

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str
    model_config = {"extra": "forbid"}


@app.post("/login/")
async def login(data: FormData = Form()):

from typing import Annotated

from fastapi import FastAPI, Form
from pydantic import BaseModel

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):

///

## 什么是 「表单数据」

与 JSON 不同，HTML 表单（`<form></form>`）向服务器发送数据通常使用「特殊」的编码。

**FastAPI** 要确保从正确的位置读取数据，而不是读取 JSON。

/// note | "技术细节"

不包含文件时，表单数据一般用 `application/x-www-form-urlencoded`「媒体类型」编码。

但表单包含文件时，编码为 `multipart/form-data`。使用了 `File`，**FastAPI** 就知道要从请求体的正确位置获取文件。

from fastapi import FastAPI, Form
from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str

    class Config:
        extra = "forbid"


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):

x;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-right:-5px;margin-left:-5px}.form-row>.col,.form-row>[class*=col-]{padding-right:5px;padding-left:5px}.form-check{position:relative;display:block;padding-left:1.25rem}.form-check-input{position:absolute;margin-top:.3rem;margin-left:-1.25rem}.form-check-input:disabled~.form-check-label,.form-check-input[disabled]~.form-check-label{color:#6c757d}.form-check-label{margin-bottom:0}.form-check-inline{display:-ms-inline-flexbox;display:inline-flex;-ms-flex-al...

            if (defaultSortValues.length == 1) {
                form.sort = defaultSortValues[0];
            } else if (defaultSortValues.length >= 2) {
                final StringBuilder sortValueSb = new StringBuilder();
                final Set<String> sortFieldNames = new HashSet<>();
                for (final String defaultSortValue : defaultSortValues) {
                    for (final String singleValue : defaultSortValue.split(",")) {