Objective-C 数据类型和常数

最新推荐文章于 2025-11-03 12:01:52 发布

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本文详细介绍C语言中使用NSLog进行格式化输出的方法，包括各种数据类型如字符、整数、浮点数等的输出格式及示例。通过本文，读者可以快速掌握如何正确地在C语言中进行格式化打印。

                    
                        
                    
                    TypeConstant ExampleNSLog
char‘a’%c
short int-%hi, %hx, %ho
unsigned short int-%hu, %hx, %ho
int12, -97, 0xFFE0, 0177%i, %x, %o
unsigned int12u, 100u%u, %x, %o
long int12L, -2001, 0xffffL%li, %lx, %lo
unsigned long int12UL, 100ul, 0xffeeUL%lu, %lx, %lo
long long int0xe5e5e5e5LL%lli, %llx, &llo
unsigned long long int12ull, 0xffeeULL%llu, %llx, %llo
float12.34%f, %e, %g, %a
double3.1e-5%f, %e, %g, %a
long double12.34L%Lf, $Le, %Lg
idnil%p

                

Type	Constant Example	NSLog
char	‘a’	%c
short int	-	%hi, %hx, %ho
unsigned short int	-	%hu, %hx, %ho
int	12, -97, 0xFFE0, 0177	%i, %x, %o
unsigned int	12u, 100u	%u, %x, %o
long int	12L, -2001, 0xffffL	%li, %lx, %lo
unsigned long int	12UL, 100ul, 0xffeeUL	%lu, %lx, %lo
long long int	0xe5e5e5e5LL	%lli, %llx, &llo
unsigned long long int	12ull, 0xffeeULL	%llu, %llx, %llo
float	12.34	%f, %e, %g, %a
double	3.1e-5	%f, %e, %g, %a
long double	12.34L	%Lf, $Le, %Lg
id	nil	%p