# 请求文件

`File` 用于定义客户端的上传文件。

/// info | "说明"

因为上传文件以「表单数据」形式发送。

所以接收上传文件，要预先安装 <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>。

例如： `pip install python-multipart`。

///

## 导入 `File`

从 `fastapi` 导入 `File` 和 `UploadFile`：

```Python hl_lines="1"
{!../../docs_src/request_files/tutorial001.py!}
```

## 定义 `File` 参数

            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.firefox", "file://///"));
            }
            break;
        case CHROME:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.chrome", "file://"));
            } else {

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

    --dry-run=client -oyaml \
    --from-file=istio-workload-dashboard.json="${TMP}/istio-workload-dashboard.json" \
    --from-file=istio-service-dashboard.json="${TMP}/istio-service-dashboard.json" \
    --from-file=istio-mesh-dashboard.json="${TMP}/istio-mesh-dashboard.gen.json" \
    --from-file=istio-extension-dashboard.json="${TMP}/istio-extension-dashboard.json"
} > "${ADDONS}/grafana.yaml"

# Set up loki
{

            throw new SettingsBuildingException(convert(e.getProblems()));
        }
    }

    private org.apache.maven.api.services.Source toSource(File file, Source source) {
        if (file != null && file.exists()) {
            return org.apache.maven.api.services.Source.fromPath(file.toPath());
        } else if (source instanceof FileSource fs) {
            return org.apache.maven.api.services.Source.fromPath(fs.getPath());

import static java.nio.file.attribute.PosixFilePermission.OWNER_EXECUTE;
import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
import static org.junit.Assert.assertThrows;

import java.io.File;
import java.io.IOException;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

                if ("file".equals(resource.getProtocol())) {
                    final File directory = new File(resource.getFile());
                    if (directory.exists() && directory.isDirectory()) {
                        final File[] files = directory.listFiles(File::isDirectory);
                        if (files != null) {
                            for (final File file : files) {

            return evaluate(expression, null);
        }

        public File alignToBaseDirectory(File file) {
            if (translator != null) {
                return translator.translatePath(file);
            }
            return file;
        }
    }

    static class XmlConverter extends AbstractConfigurationConverter {
        @Override

    }

    @Deprecated
    @Override
    public Artifact setFile(File file) {
        File current = getFile();
        if (Objects.equals(current, file)) {
            return this;
        }
        return new RelocatedArtifact(
                artifact.setFile(file), groupId, artifactId, classifier, extension, version, message);
    }

    @Override