尝试获取缓存目录的内容:
NSError *error;
NSString *path = [[self.class cachesDirectoryURL] absoluteString];
NSArray *directoryItems = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:&error];
path
是正确的,我可以在 Finder 中看到它存在并且包含我的文件。
directoryItems
是 nil
并且 error
是
Error Domain=NSCocoaErrorDomain Code=260 "The folder “Caches” doesn’t exist." UserInfo={NSUnderlyingError=0x7982d2d0 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}, NSFilePath=file:///Users/seelts/Library/Developer/CoreSimulator/Devices/C1411C3D-91FB-4D91-83A4-D0747071AE36/data/Containers/Data/Application/800DE429-F10C-438E-BB04-2948C0B07E7C/Library/Caches/, NSUserStringVariant=(
Folder
)}
我怎么了?
最佳答案
您使用的路径错误。要为应用程序获取正确的缓存目录,请使用:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *cacheDirectory = [paths objectAtIndex:0];
在 cacheDirectory
中,您将收到这样的字符串路径(没有 file
方案):
/Users/username/Library/Developer/CoreSimulator/Devices/D55805E2-50FF-4D8D-8D04-490001AD6071/data/Containers/Data/Application/DE437461-E0F8-4C11-861E-2D1C56CDF6F1/Library/Caches
完整代码:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *cacheDirectory = [paths objectAtIndex:0];
NSError *error;
NSArray *directoryItems = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:cacheDirectory error:&error];
NSLog(@"%@", directoryItems);
关于iOS:无法获取缓存目录的内容,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35439491/