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];
时间: 2024-10-16 13:00:43