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--------------- ViewController.m ---------------
#import <Foundation/Foundation.h>
#import "ViewController.h"
@interface ViewController ()
@property (weak, nonatomic) IBOutlet UILabel *indexLabel;
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
@property (weak, nonatomic) IBOutlet UILabel *infoLabel;
@property (nonatomic, assign) int index;
@property (weak, nonatomic) IBOutlet UIButton *rightBtn;
@property (weak, nonatomic) IBOutlet UIButton *leftBtn;
- (IBAction)nextImage;
- (IBAction)preImage;
@end
@implementation ViewController
-(void)viewDidLoad
{
[super viewDidLoad];
[self nextImage];
}
- (IBAction)nextImage
{
self.index++;
self.indexLabel.text = [NSString stringWithFormat:@"%d/5",self.index];
switch (self.index) {
case 1:
self.imageView.image = [UIImage imageNamed:@"biaoqingdi"];
self.infoLabel.text = @"在他面前，其他神马表情都弱爆了！";
break;
case 2:
self.imageView.image = [UIImage imageNamed:@"bingli"];
self.infoLabel.text = @"这也忒狠了";
break;
case 3:
self.imageView.image = [UIImage imageNamed:@"chiniupa"];
self.infoLabel.text = @"这小姑娘吃个牛排比杀牛还费劲啊";
break;
case 4:
self.imageView.image = [UIImage imageNamed:@"danteng"];
self.infoLabel.text = @"亲，你能改下你的网名么？哈哈";
break;
case 5:
self.imageView.image = [UIImage imageNamed:@"wangba"];
self.infoLabel.text = @"哥们为什么选八号呢";
self.rightBtn.enabled = NO;
break;
default:
break;
}
if (self.index == 1)
{
self.leftBtn.enabled = NO;
}else
{
self.leftBtn.enabled = YES;
}
}
- (IBAction)preImage
{
self.index--;
self.indexLabel.text = [NSString stringWithFormat:@"%d/5",self.index];
self.rightBtn.enabled = YES;
switch (self.index) {
case 1:
self.imageView.image = [UIImage imageNamed:@"biaoqingdi"];
self.infoLabel.text = @"在他面前，其他神马表情都弱爆了！";
self.leftBtn.enabled = NO;
break;
case 2:
self.imageView.image = [UIImage imageNamed:@"bingli"];
self.infoLabel.text = @"这也忒狠了";
break;
case 3:
self.imageView.image = [UIImage imageNamed:@"chiniupa"];
self.infoLabel.text = @"这小姑娘吃个牛排比杀牛还费劲啊";
break;
case 4:
self.imageView.image = [UIImage imageNamed:@"danteng"];
self.infoLabel.text = @"亲，你能改下你的网名么？哈哈";
break;
case 5:
self.imageView.image = [UIImage imageNamed:@"wangba"];
self.infoLabel.text = @"哥们为什么选八号呢";
break;
default:
break;
}
}
@end
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原文地址：http://www.cnblogs.com/lixiang2015/p/4694423.html
