我想编写一个应用程序，将其数据存储在一个可以检索并传输到用户电脑的文件中。 iOS 是否支持通过 USB 传输文件（通过我的应用程序或通过大容量存储设备类型功能）。最好，我不想为 PC 编写客户端来接收文件，并且如果可能的话，我想在用户将设备插入 PC 时提示用户有关新文件的信息。 iOS 框架支持这些功能吗？
I want to write an app that stores its data in a file that can be retrieved and transfered to the user's PC. Does the iOS support file transfers over USB (through my app or through a mass storage device type feature). Preferably, I do not want to write a client for the PC to receive the files, and I want to prompt the user about new files when they plug in their device to their PC if possible. Do the iOS frameworks support these features?
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是，这在较新版本的 iOS（3.2 及更高版本）中可用。有关“文件共享支持”的详细信息，请参阅此处（为此知识库文章）。
Yes, this is available in newer versions of iOS (3.2 and above). See here for details on "File-Sharing Support" (explained for users in this KB article).