iOS开发基础-图片切换(3)

 1 //infoArray的getter方法
 2 - (NSArray *)infoArray {
 3     NSLog(@"需要获取图片信息数组");
 4     //只实例化一次
 5     if (_infoArray == nil) {
 6         NSString *path = [[NSBundle mainBundle]pathForResource:@"Data" ofType:@"plist"];　　//获取plist文件路径
 7         _infoArray = [[NSArray alloc] initWithContentsOfFile:path];
 8         NSLog(@"%@", path);
 9         NSLog(@"实例化数组");
10     }
11     return _infoArray;
12 }