NSString与int和float的相互转换

 NSString *tempA = @"123";

  NSString *tempB = @"456";

 

1，字符串拼接

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

 

2，字符转int

int intString = [newString intValue];

 

3，int转字符

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

 

4，字符转float

 float floatString = [newString floatValue];

5，float转字符

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

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