JavaScript file对象的相关内容

阿里云文档 2024-10-31

如何通过Node.js SDK实现对象标签和生命周期管理

在生命周期规则配置中，您可以指定生命周期规则生效的条件。生命周期规则可针对前缀（Prefix）或对象标签（Tag）生效，您也可以同时指定两者作为条件。

阿里云文档 2024-10-31

如何通过Node.js SDK设置对象标签

OSS支持使用对象标签（Object Tagging）对存储空间（Bucket）中的文件（Object）进行分类，您可以针对相同标签的Object设置生命周期规则、访问权限等。

阿里云文档 2023-12-20

如何通过Node.jsSDK管理对象目录

与传统文件系统中的层级结构不同，OSS内部使用扁平结构存储数据。即所有数据均以对象（Object）的形式保存在存储空间（Bucket）中。为方便管理，OSS控制台将所有以正斜线（/）结尾的对象显示为目录，实现类似于目录的基本功能。您可以通过目录的层次来组织文件，实现分组并简化权限管理。

文章 2022-06-13 来自：开发者社区

业务中有一段涉及到处理canvas的图片然后将内容进行上传，后测试发现在IE中不好使哎...查找了下MDN，发现中文和英文页面对于该对象的兼容性竟然不同。在IE系列中（edge不算），File对象是不支持的，检测方法，typeof 即可。问题来了，我原先的代码是通过File对象添加到FormData中，然后提交到后台，不支持File怎么办？起码要IE10 /11能用吧。解决方法：通过Blob来添....

问答 2022-04-15 来自：开发者社区

JavaScript中如何判断一个file对象是文件还是文件夹

在做一个页面文件拖拽上传，需要判断对象是否是文件，试了用FileReader好像也没什么帮助

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更新时间 2024-05-09 18:56:24

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