Windows下Objective-C環(huán)境搭建教程
Windows下Objective-C環(huán)境搭建教程是本文要介紹的內(nèi)容,主要是在windows平臺(tái)下搭建Objective-C開(kāi)發(fā)環(huán)境,具體內(nèi)容來(lái)看本文詳解。
1.安裝4個(gè)文件,直接找我要吧
2、測(cè)試:
安裝完成后,進(jìn)入"開(kāi)始-程序-GNUstep-Shell",出現(xiàn)的窗口就是shell 窗口,就可以進(jìn)行編輯(vi/vim)和編譯(gcc) object-C代碼了。
這個(gè)shell的默認(rèn)路徑是 \home\<username>,例如,我的是 /home/samsung/。
另外,我直接用devc++,UE等編輯軟件編輯程序,放在/home/samsung/下,進(jìn)行編譯和運(yùn)行。
下面是我的代碼和運(yùn)行結(jié)果:
hello.m的源碼:
- #import <stdio.h>
- int main(int argc,const char *argv[]){
- printf("hello world\n");
- return 0;
- }
編譯運(yùn)行:
- samsung@coco ~
- $ gcc hello.m
- samsung@coco ~
- $ ls
- a.exe hello.m
- samsung@coco ~
- $ ./a.exe
- hello world
- samsung@coco ~
3、一個(gè)更復(fù)雜的例子:
代碼:包含3個(gè)文件。
(1) Fraction.h:
- #import <Foundation/NSObject.h>
- @interface Fraction: NSObject {
- int numerator;
- int denominator;
- }
- -(void) print;
- -(void) setNumerator: (int) d;
- -(void) setDenominator: (int) d;
- -(int) numerator;
- -(int) denominator;
- -(void) setNumerator: (int) n ddd: (int)d;
- -(void) setNumerator: (int)n : (int)d :(int) a;
- // 這里,有3個(gè)setNumerator函數(shù), 是重載。
- @end
(2)Fraction.m
- #import "Fraction.h"
- #import <stdio.h>
- @implementation Fraction
- -(void) print {
- printf( "%i/%i", numerator, denominator );
- }
- -(void) setNumerator: (int) n {
- nnumerator = n;
- }
- -(void) setDenominator: (int) d {
- ddenominator = d;
- }
- -(int) denominator {
- return denominator;
- }
- -(int) numerator {
- return numerator;
- }
- -(void) setNumerator: (int) n ddd: (int)d {
- nnumerator = n;
- ddenominator = d;
- }
- -(void) setNumerator: (int)n : (int)d :(int) a {
- nnumerator = n;
- ddenominator = d;
- printf("+++++a = %d +++ \n", a);
- }
- @end
(3) main.m
- #import <stdio.h>
- #import <Foundation/Foundation.h>
- #import "Fraction.h"
- int main( int argc, const char *argv[] ) {
- // create a new instance
- Fraction *frac = [[Fraction alloc] init];
- int x;
- int y;
- // set the values
- [frac setNumerator: 1];
- [frac setDenominator: 3];
- // print it
- printf( "The fraction is: " );
- [frac print];
- printf( "\n\n" );
- NSLog(@"hello world!!!\n"); // ok
- [frac setNumerator:34 ddd: 98];
- [frac print];
- printf( "\n\n" );
- NSLog(@"hello world world!!!\n"); // ok
- [frac setNumerator:44 : 55 :66]; // ok
- [frac print];
- printf( "\n\n" );
- scanf("%d %d", &x,&y); //scanf 函數(shù)的測(cè)試,ok
- [frac setNumerator: x ddd: y]; //ok
- [frac print];
- // free memory
- [frac release];
- // [frac release]; //前面已經(jīng)release了,所以這里發(fā)生異常:程序崩潰。
- //即對(duì)空指針進(jìn)行release,當(dāng)然不允許了。
- return 0;
- }
編譯方法:
(1)將main.m編譯成main.o :
- gcc -fconstant-string-class=NSConstantString -c main.m -I /GNUstep/System/Library/Headers
(2) 將Fraction.m編譯成Fraction.o :
- gcc -c Fraction.m -I /GNUstep/System/Library/Headers
(3) 將.o編譯成可執(zhí)行程序,名為main(最后生成的是main.exe)
- gcc -o main main.o Fraction.o -L /GNUstep/System/Library/Libraries/ -lobjc -lgnustep-base
注意:這時(shí)會(huì)有warning出現(xiàn),但可以不用管它,畢竟,我們的可執(zhí)行程序已經(jīng)編譯出來(lái)了.
運(yùn)行結(jié)果:
- samsung@coco ~/objc/fraction
- $ ./main.exe
- The fraction is: 1/3
- 2010-08-13 16:29:01.515 main[1212] hello world!!!
- 34/98
- 2010-08-13 16:29:01.515 main[1212] hello world world!!!
- +++++a = 66 +++
- 44/55
- 22 33
- 22/33
- samsung@coco ~/objc/fraction
4、總結(jié):
1、用戶也可以使用cygwin+ GNUstep來(lái)進(jìn)行開(kāi)發(fā);
2、Objective-C是以m為后綴的,用GNU GCC來(lái)編譯;
3、整個(gè)環(huán)境和linux差不多;
小結(jié):Windows下Objective-C環(huán)境搭建教程的內(nèi)容介紹完了,希望通過(guò)本文的學(xué)習(xí)能對(duì)你有所幫助!