分支语句if#import <Foundation/Foundation.h>int mainj (int argc,const char * argv[] ){@autoreleasepool {int a = 1;NSLog(@"a的值为%d",a);int b = 2;NSLog("b的值为%d",b);if(a>b){NSLog(@"这句话是真的！");}NSLog(@"hehe");}return 0;}高级跳转语句goto#import<Foundation/Foundation.h>int main( int argc,const char * argv[]){@autoreasepool{int i = 0;a:{i++;NSLog(@"i的值为%d",i);}if(i<5) {goto a;}else{goto b;}b:{NSLog(@"跳远了！")；}return 0;
}
，它不同于旅游，那需要一个风景稍微漂亮的地方，
