Joh*_*ith 5 xcode swift macos-sierra xcode8
我对Xcode和Swift很新.我正在尝试在我的Documents目录中创建一个名为"file.txt"的文件,并收到错误"您没有权限保存文件".
最终,我不想使用默认的Documents目录,因为我正在使用FIFinderSyncController来监视所有内容("/").
let targetFile = (FIFinderSyncController.default().targetedURL()?.path)! + "/file.txt"
NSLog("%@", targetFile as NSString)
let fileManager = FileManager.default
if fileManager.fileExists( atPath: (targetFile) ) == false {
do {
let targetString = (FIFinderSyncController.default().targetedURL()?.path)! + "/Untitled.txt"
NSLog("%@", targetString as NSString)
let fileManager = FileManager.default
if fileManager.fileExists( atPath: targetString ) == false {
let content = "" // Just creating empty file.
//writing
try content.write(toFile: targetString, atomically: false, encoding: String.Encoding.utf8)
//reading
let readingText = try NSString(contentsOfFile: targetString, encoding: String.Encoding.utf8.rawValue)
NSLog("%@", readingText as NSString)
}
}
catch {
print(error.localizedDescription)
}
}
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日志显示:
2017-04-06 13:35:46.450077-0700 Open New Text File[5177:1035580] /Users/david/Documents/file.txt
2017-04-06 13:35:46.450257-0700 Open New Text File[5177:1035580] /Users/david/Documents/file.txt
You don’t have permission to save the file “file.txt” in the folder “Documents”.
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我在这里找到了答案,所以我想我会帮忙.问题是沙箱的局限性.如果你添加
com.apple.security.temporary-exception.files.home-relative-path.read-write
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将目标的权利文件作为包含要查看的父文件夹的字符串的数组.在我的情况下,我只是添加"/"来观看一切.这是我的:
<key>com.apple.security.temporary-exception.files.home-relative-path.read-write</key>
<array>
<string>/</string>
</array>
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这将允许您访问相对于提到的文件夹的所有内容.
一个警告:似乎(未经过彻底测试)如果有其他的FIFinderSyncController设置(在其他应用程序中),它们可以相互影响.
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