objective-c - 如何在不同的类中使用 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

您可以按如下方式使用属性：

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

然后，您可以按如下方式访问它：

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