You should see a very long JavaScript file for **ReDoc**.

It could start with something like:

```JavaScript
/*! For license information please see redoc.standalone.js.LICENSE.txt */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("null")):
...
```

That confirms that you are being able to serve static files from your app, and that you placed the static files for the docs in the correct place.

就和宣告查詢參數時一樣，當模型屬性有預設值時，它就不是必填；否則就是必填。使用 `None` 可使其成為選填。

例如，上述模型對應的 JSON「`object`」（或 Python `dict`）如下：

```JSON
{
    "name": "Foo",
    "description": "An optional description",
    "price": 45.2,
    "tax": 3.5
}
```

...由於 `description` 與 `tax` 是選填（預設為 `None`），以下這個 JSON「`object`」也有效：

```JSON
{
    "name": "Foo",
    "price": 45.2
}
```

* 无需在参数的默认值中使用 `File()`。
* 它使用“spooled”文件：
    * 文件会先存储在内存中，直到达到最大上限，超过该上限后会写入磁盘。
* 因此，非常适合处理图像、视频、大型二进制等大文件，而不会占用所有内存。
* 你可以获取上传文件的元数据。
* 它提供 [file-like](https://docs.python.org/3/glossary.html#term-file-like-object) 的 `async` 接口。
* 它暴露了一个实际的 Python [`SpooledTemporaryFile`](https://docs.python.org/3/library/tempfile.html#tempfile.SpooledTemporaryFile) 对象，你可以直接传给期望「file-like」对象的其他库。

### `UploadFile` { #uploadfile }

`UploadFile` 的属性如下：

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

    //                                                                          Definition
    //                                                                          ==========
    /** The serial version UID for object serialization. (Default) */
    private static final long serialVersionUID = 1L;
    private final FessUser user;

    // ===================================================================================

import java.util.Date
import java.util.Properties
import java.util.TimeZone


@DisableCachingByDefault(because = "Not worth caching")
abstract class BuildReceipt : DefaultTask() {
    companion object {
        private
        val timestampFormat = newSimpleDateFormatUTC("yyyyMMddHHmmssZ")

        private
        val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private

          SSLContext.getInstance("TLSv1.3")
        } catch (nsae: NoSuchAlgorithmException) {
          SSLContext.getInstance("TLS")
        }
      }
    }

  companion object {
    val isAvailable: Boolean

    val majorVersion = System.getProperty("java.specification.version")?.toIntOrNull()

    init {
      isAvailable =
        if (majorVersion != null) {

// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@NullMarked
public class SortedSetNavigationTester<E extends @Nullable Object> extends AbstractSetTester<E> {

  private SortedSet<E> sortedSet;
  private List<E> values;
  private @Nullable E a;
  private @Nullable E b;
  private @Nullable E c;

  @Override

import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for CompactLinkedHashSet.
 *
 * @author Dimitris Andreou
 */
@GwtIncompatible // java.util.Arrays#copyOf(Object[], int), java.lang.reflect.Array
@NullUnmarked
public class CompactLinkedHashSetTest extends TestCase {
  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    List<Feature<?>> allFeatures =

 *
 * BufferedReader reader = ...;
 * for (String line : iterable(reader)) {
 *     ...
 * }
 * </pre>
 *
 * @author koichik
 */
public class LineIterator implements Iterator<String> {

    /** String object indicating that {@link #line} is empty */
    protected static final String EMPTY = new String();

    /** {@link BufferedReader} */
    protected final BufferedReader reader;

    /** The line that has been read */