[GO] IOS formatted output symbol and type conversion

Source: Internet
Author: User

1. IOS formatted output symbol

%@ Object

%d,%i integer

%u unsigned shaping

%f floating point (double byte)

%x,%x binary integers

%o Eight-binary integers

%zi positive integers

%zu size_t

%p pointer

%e floating point/Double byte (scientific calculation)

%g f floating point/double byte

%s C string

%。 *s Pascal String

%c character

%c Unichar

%LLD 64-bit long integer

%llu unsigned 64-bit long integer

%LF 64-bit double-byte

2. Data type Conversion

2.1. Convert NSString to int

NSString *intstring=@ "123";

int i=[intstring integervalue];

2.2, int convert string

NSString *str=[nsstring stringwithformat:@ "%d", I];

2.3. Convert character to float

float f=[str floatvalue];

2.4. Float converted to string

nsstring *strfloat=[nsstring stringwithformat:@ "%f", f];

Original http://blog.csdn.net/u011872945/article/details/16897619

[GO] IOS formatted output symbol and type conversion

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