推荐回答（2个）
iOS系统是对外封闭的。在不越狱的情况下是不允许拿到一些被保护的文件。当你连接到电脑时会允许你导出一些存档之类的文件，但是如果是涉及到敏感路径或者系统的，iOS会自动拒绝导出。像temp这样的文件夹就属于敏感路径，不越狱是打不开甚至看不到的。
Use this directory to write temporary files that do not need to persist between launches of your app. Your app should remove files from this directory when they are no longer needed; however, the system may purge this directory when your app is not running.
The contents of this directory are not backed up by iTunes or iCloud.
苹果官方文档
里边放置的是不需要一直持有的数据.你应该在不需要的时候删除它.当然,系统也可能会在你的app不运行时删除掉它.
这个文件中的东西不会备份在iTunes和iCloud.
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