我在.h文件中有一个@property (nonatomic,retain) NSMutableArray *transfer_array;
,在我的.m中我有
@synthesize transfer_array = _transfer_array;
- (id)init
{
self = [super init];
if(self) {
self.transfer_array = [[NSMutableArray alloc] init];
}
return self;
}
我在这个函数中添加了对象
- (id)display:(double)imageXX andY:(double)imageYY withName:(NSString *)namee{
//if((self == [super init])){
NSLog(@"````````````````````````````````````````````````````````");
NSLog(@"imageX: %f",imageXX);
NSLog(@"imageY: %f", imageYY);
NSLog(@"name: %@", namee);
labelPoi = [[Poi alloc] init];
labelPoi.imageLocationX = imageXX;
labelPoi.imageLocationY = imageYY;
labelPoi.name = namee;
[self.transfer_array addObject:labelPoi];
每当我尝试访问另一个实例中的数组元素时,对象就会成功添加,例如:
- (void)viewDidLoad{
[super viewDidLoad];
NSLog(@"transfer_array count: %lu",(unsigned long)self.transfer_array.count);
然后数组为空。
任何帮助将不胜感激!
答案 0 :(得分:3)
实例是独立的对象。改变一个人的内部状态不会影响他人的内部状态。