IOS Int 转NSNumber NSString转int

1、  Int 转NSNumber

int iValue；

NSNumber *number = [NSNumber numberWithInt:iValue];

2、 NSNumber 转Int

int myInt = [number intValue];；

3、NSString转int

NSString *stringInt = @“120”;

int ivalue = [stringInt intValue];

4、int转NSString

NSString *string = [NSString stringWithFormat:@"%d",ivalue];