#define kIconKey @"icon" #import "ViewController.h" @interface ViewController () // 当前索引值 @property (nonatomic,assign) int index; //索引标签 @property (weak, nonatomic) IBOutlet UILabel *indexLabel; // 图像数据 @property (nonatomic, strong) NSArray *imageArray; // 图像控件 @property (weak, nonatomic) IBOu