IOS開發(fā)NSString與int和float的相互轉(zhuǎn)換以及字符串拼接、NSString、NSData、char* 類型之間的轉(zhuǎn)換
1、NSNumber轉(zhuǎn)NSString

NSString *String = [NSString StringWithFormat:@"%@",number];
//或者
NSString *String = number.description;

2、Int 轉(zhuǎn)NSNumber

int iValue；
NSNumber *number = [NSNumber numberWithInt:iValue];

3、 NSNumber 轉(zhuǎn)Int

int myInt = [number intValue];；

4、NSString轉(zhuǎn)int

NSString *stringInt = @“120”;
int ivalue = [stringInt intValue];

5、int轉(zhuǎn)NSString

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