摘要: 从第一个应用程序HelloWorld开始：objective-c版本：#import <Foundation/Foundation.h>int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; // insert code here... NSLog(@"Hello, World!"); [pool drain]; return 0;}#import <Foundation/Foundation.h> 阅读全文