object-c中NSString與int和float的相互轉換

1，字串拼接

 NSString *newString = [NSString stringWithFormat:@"%@%@",tempA,tempB];

 

2，字元轉int

int intString = [newString intValue];

 

3，int轉字元

NSString *stringInt = [NSString stringWithFormat:@"%d",intString];

 

4，字元轉float

 float floatString = [newString floatValue];

 

5，float轉字元

NSString *stringFloat = [NSString stringWithFormat:@"%f",intString];