第一步：照片复制到Assets文件夹再创建plist
第二步：页面设计
第三步：代码实现
//
// PhotoViewController.m
// study2024
//
// Created by zhifei zhu on 2024/8/11.
//
#import "PhotoViewController.h"
@interface PhotoViewController ()
@property (weak, nonatomic) IBOutlet UIButton *btnPre;
@property (weak, nonatomic) IBOutlet UIButton *btnNext;
@property (weak, nonatomic) IBOutlet UIImageView *img;
@property (weak, nonatomic) IBOutlet UILabel *lblTitle;
@property (weak, nonatomic) IBOutlet UILabel *lblDescrible;
@property (weak,nonatomic) NSArray *picArr;
@property (nonatomic) int index;
- (IBAction)pre:(id)sender;
- (IBAction)next:(id)sender;
-(void) getImagewithIndex:(int)index;
@end
@implementation PhotoViewController
-(NSArray *)picArr{
if(_picArr==nil)
{
NSString *path=[[NSBundle mainBundle]pathForResource:@"pic.plist" ofType:nil];
_picArr=[NSArray arrayWithContentsOfFile:path];
}
return _picArr;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
[self getImagewithIndex:0];
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
- (IBAction)pre:(id)sender {
self.index--;
[self getImagewithIndex:self.index];
}
- (IBAction)next:(id)sender {
self.index++;
[self getImagewithIndex:self.index];
}
-(void) getImagewithIndex:(int)index{
NSDictionary *dictionary=self.picArr[index];
self.lblTitle.text=[NSString stringWithFormat:@"%d/%d",index+1,_picArr.count];
self.lblDescrible.text=dictionary[@"title"];
self.img.image=[UIImage imageNamed:dictionary[@"icon"]];
self.btnPre.enabled=(index!=0);
self.btnNext.enabled=(index!=(self.picArr.count-1));
}
@end
效果：
