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我正在iPhone上做一个项目，我是一个非常初学者。我正在制作Tic Tac Toe应用程序，我想制作一个改变转弯的功能'X' to 'O'

所以我试着输入这个

void setTurn(){
    SinglePlayer*SO=[[SinglePlayer alloc]init];
    SO .turn =1;
    if (SO.turn%2==0){
        SO->turnLabel.text=@"O Turn";
    }
    else SO->turnLabel.text=@"X Turn";
    SO.turn++;
}

所以意味着SinglePlayerObject。

无论我在实现的标题中定义了什么

而当我试图在方法putSign();下键入这个方法时

-(IBAction)PutSign2:(id)sender{
    if (turn%2 !=0){
        label2.text=@"X";
    }
    else if (turn%2 ==0){
        label2.text=@"O";
    }
}

它显示一个错误。

那么我如何运行与C++相同的方法，因为我有C++经验？

这是头文件

#import <UIKit/UIKit.h>

@interface SinglePlayer : UIViewController{

    IBOutlet UILabel*label1;
    IBOutlet UILabel*label2;
    IBOutlet UILabel*label3;
    IBOutlet UILabel*label4;
    IBOutlet UILabel*label5;
    IBOutlet UILabel*label6;
    IBOutlet UILabel*label7;
    IBOutlet UILabel*label8;
    IBOutlet UILabel*label9;

    BOOL Player;

    int turn;

    IBOutlet UILabel*turnLabel;


}
@property (nonatomic)int turn;
@property (nonatomic) BOOL Player;
-(IBAction)PutSign1:(id)sender;
-(IBAction)PutSign2:(id)sender;
-(IBAction)PutSign3:(id)sender;
-(IBAction)PutSign4:(id)sender;
-(IBAction)PutSign5:(id)sender;
-(IBAction)PutSign6:(id)sender;
-(IBAction)PutSign7:(id)sender;
-(IBAction)PutSign8:(id)sender;
-(IBAction)PutSign9:(id)sender;
void setTurn();


@end

这是未完成的实现

@implementation SinglePlayer
//Player=true = X
//Player=False= O
@synthesize Player;
@synthesize turn;

void setTurn(){
    SinglePlayer*SO=[[SinglePlayer alloc]init];

    SO .turn =1;
    if (SO.turn%2==0){
        SO->turnLabel.text=@"O Turn";

    }
    else SO->turnLabel.text=@"X Turn";
    SO.turn++;
}
//this code to put the sign in the button label:-
//[sender setTitle:@"X" forState:UIControlStateNormal];
-(IBAction)PutSign1:(id)sender{
    if (turn%2 !=0){
        label1.text=@"X";
    }
    else if (turn%2 ==0){
        label1.text=@"O";
    }
turnLabel.text=@"O Turn";
}
      putSign();
-(IBAction)PutSign2:(id)sender{
    if (turn%2 !=0){
        label2.text=@"X";
    }
    else if (turn%2 ==0){
        label2.text=@"O";

    }
}    
   putSign();

-(IBAction)PutSign3:(id)sender{
    if (turn%2 !=0){
        label3.text=@"X";
    }
    else if (turn%2 ==0){
        label3.text=@"O";

    }
}
 putSign();
-(IBAction)PutSign4:(id)sender{
    //[sender setTitle:@"X" forState:UIControlStateNormal];
}

putSign();
4

2 回答 2

0

这些名字被搞砸了；）我知道这听起来无关紧要，但我不会低估“命名的力量”

代码变得更容易读/写

无论如何......你没有任何功能 - 你有属于对象的方法：它的 [OBJECT executeMyMethod:myParam];

于 2012-09-17T06:16:19.157 回答
0

编写方法如下。

-(void)setTurn
{
    SinglePlayer*SO=[[SinglePlayer alloc]init];

    SO .turn =1;
    if (SO.turn%2==0){
        SO.turnLabel.text=@"O Turn";

    }
    else SO.turnLabel.text=@"X Turn";
    SO.turn++;
}
于 2012-09-17T06:05:48.107 回答