iphone开发OC语言的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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原文地址:https://www.cnblogs.com/zhiqiangsimida/p/2774625.html