iOS 显示文件大小
2018-06-14 本文已影响15人
iCHENKE
// 显示文件大小
- (NSString *)transformedValue:(double)value {
int multiplyFactor = 0;
NSArray *tokens = [NSArray arrayWithObjects:@"bytes",@"KB",@"MB",@"GB",@"TB",@"PB", @"EB", @"ZB", @"YB",nil];
while (value > 1024) {
value /= 1024;
multiplyFactor++;
}
return [NSString stringWithFormat:@"%4.2f %@", value, [tokens objectAtIndex:multiplyFactor]];
}
