iphone获取当前磁盘信息

获取iphone磁盘总大小、已使用空间、空闲空间

[代码]悦德财富：https://www.yuedecaifu.com

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-(float)getFreeDiskspace {     float totalSpace;     float totalFreeSpace;     float totalUsedSpace;           NSError *error = nil;      NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);      NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];            if (dictionary) {          NSNumber *fileSystemSizeInBytes = [dictionary objectForKey: NSFileSystemSize];          NSNumber *freeFileSystemSizeInBytes = [dictionary objectForKey:NSFileSystemFreeSize];         totalSpace = [fileSystemSizeInBytes floatValue];         totalFreeSpace = [freeFileSystemSizeInBytes floatValue];         totalUsedSpace = totalSpace - totalFreeSpace;                   float freePercent = totalFreeSpace/totalSpace;         float usedPercent = totalUsedSpace/totalSpace;                   freePercentLabel.text  = [[NSString stringWithFormat:@"%.2f",freePercent*100]    stringByAppendingString:@"%"];         usedPercentLabel.text  = [[NSString stringWithFormat:@"%.2f",usedPercent*100]    stringByAppendingString:@"%"];         totalSpaceLabel.text   = [[NSString stringWithFormat:@"%.2f",((totalSpace/1024.0f)/1024.0f/1024.0f)]     stringByAppendingString:@"GB"];         usedSpaceLabel.text    = [[NSString stringWithFormat:@"%.2f",((totalUsedSpace/1024.0f)/1024.0f/1024.0f)] stringByAppendingString:@"GB"];         freeSpaceLabel.text    = [[NSString stringWithFormat:@"%.2f",((totalFreeSpace/1024.0f)/1024.0f/1024.0f)] stringByAppendingString:@"GB"];                   NSLog(@"Memory Capacity of %f GB with %f GB Free memory available.", ((totalSpace/1024.0f)/1024.0f/1024.0f), ((totalFreeSpace/1024.0f)/1024.0f)/1024.0f);     } else {          NSLog(@"Error Obtaining System Memory Info: Domain = %@, Code = %@", [error domain], [error code]);      }      return totalFreeSpace; }