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;
} |