摘要：
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摘要：
1 -(void)usedSpaceAndfreeSpace{2 NSString* path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] ;3 NSFileManager* fileManager = [[NSFileManager alloc ]init];4 NSDictionary *fileSysAttributes = [fileManager attributesOfFileSystemForPath:... 阅读全文