我有很多这样的属性: Myobject.property
现在我想更改这些属性的计算方式。我可以这样做,同时仍然保持。语法?
答案 0 :(得分:4)
是的,您可以在.h文件中使用@property定义属性,而不是在.m文件中使用@synthesize,您只需定义自己的getter / setter:
@interface YourClass : NSObject {
@private NSString* iVar_;
}
@property (readwrite, assign) NSString* iVar;
@end
然后在你的.m:
@implementation YourClass
- (NSString*) iVar {
// Put your custom logic here.
return iVar_;
}
- (void) setIVar:(NSString*)value {
// Put your custom logic here.
// Note: be aware of retain counts... you may need to call release on iVar before assigning it a new value.
iVar_ = value;
}
@end