WOLFRAM

Wolfram 语言与系统参考资料中心

$ExternalStorageBase

给出用于外部存储操作的默认外部存储服务的名称.

更多信息
Details and Options Details and Options
范例  
基本范例  
参见
相关指南
相关链接
历史
按以下格式引用：

$ExternalStorageBase

$ExternalStorageBase

给出用于外部存储操作的默认外部存储服务的名称.

更多信息

范例

基本范例  (3)

$ExternalStorageBase 的默认设置为 "IPFS"：

Wolfram Language code: $ExternalStorageBase

上传到 "IPFS"：

Wolfram Language code: ExternalStorageUpload["ExampleData/spikey2.png"]

从 "IPFS" 下载：

Wolfram Language code: ExternalStorageDownload["Qmd1HkTU55zaCDnX2wbnVoq15aPHdutn8c3epuJFAt4dgf"]
Wolfram Language code: Import[%]

设置 $ExternalStorageBase 为 "Dropbox":

Wolfram Language code: $ExternalStorageBase = "Dropbox"

上传到 "Dropbox"：

Wolfram Language code: ExternalStorageUpload["ExampleData/spikey2.png"]

从 "Dropbox" 下载：

Wolfram Language code: ExternalStorageDownload["/WolframUploads/choriza.jpg"]
Wolfram Language code: Import[%]

将 $ExternalStorageBase 设为 "AmazonS3"：

Wolfram Language code: $ExternalStorageBase = "AmazonS3"

上传多个文件到 "AmazonS3"：

Wolfram Language code: files = FileNameJoin[{$InstallationDirectory, "Documentation", "English", "System", "ExampleData", #}]& /@ {"coneflower.jpg", "spikey2.png", "turtle.jpg"};
Wolfram Language code: ExternalStorageUpload[files, "wolfram-bucket"]

从 "AmazonS3" 下载多个文件：

Wolfram Language code: ExternalStorageDownload[{"wolfram-bucket/Choriza.jpg", "wolfram-bucket/zip.jpeg", "wolfram-bucket/ThaiCali.jpg"}]
Wolfram Language code: Import /@ %
Wolfram Research (2020)，$ExternalStorageBase，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$ExternalStorageBase.html.

文本

Wolfram Research (2020)，$ExternalStorageBase，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$ExternalStorageBase.html.

CMS

Wolfram 语言. 2020. "$ExternalStorageBase." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/$ExternalStorageBase.html.

APA

Wolfram 语言. (2020). $ExternalStorageBase. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/$ExternalStorageBase.html 年

BibTeX

@misc{reference.wolfram_2026_$externalstoragebase, author="Wolfram Research", title="{$ExternalStorageBase}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/$ExternalStorageBase.html}", note=[Accessed: 10-August-2026]}

BibLaTeX

@online{reference.wolfram_2026_$externalstoragebase, organization={Wolfram Research}, title={$ExternalStorageBase}, year={2020}, url={https://reference.wolfram.com/language/ref/$ExternalStorageBase.html}, note=[Accessed: 10-August-2026]}