如何在不同的類中使用一個INT

Question

//class1 

competitionSettingsViewController.m 

int *myint; 

// in some void I made. 
myint = 7; 

//class2 
competitionViewcontroller.m 

#import "competitionSettingsViewController.m" 

int *myextraint = 0; 

competitionSettingsViewController a = [[competitionSettingsViewController alloc]........] 
myextraint = a.myint; 

Answer 1

你可以使用一個property如下：

@interface MyObject : NSObject 
@property int myInt; 
@end 

如下然後，您可以訪問它：

MyObject mo  = [[MyObject alloc] init]; 
int myExtraInt  = mo.myInt; 
int myAltExtraInt = [mo myInt];