objective c 整型和字符串相互转化

    //整型转字符串
    NSInteger num1 = 123;
    NSString *ValueNum1 = [NSString stringWithFormat:@"%ld",num1];
    NSLog(@"%@",ValueNum1);
    
    //字符串转整型1.
    NSString *numbers = @"123";
    NSInteger number1 = [numbers integerValue];
    NSLog(@"%ld",number1);
    //2.整型字符串转整型
    NSNumber *number = [NSNumber numberWithInt:10010];
    NSLog(@"%@",number);
    NSInteger num = [number integerValue];
    NSLog(@"%ld",num);