01-UIScrollView01-大图片展示

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源代码下载链接:01-UIScrollView01-大图片展示.zip
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1. //
2. //  MJViewController.m
3. //  01-UIScrollView01-大图片展示
4. //
5. //  Created by apple on 13-11-27.
6. //  Copyright (c) 2013年 itcast. All rights reserved.
7. //
8. #import "MJViewController.h"
9. @interface MJViewController ()
10. @end
11. @implementation MJViewController
12. - (void)viewDidLoad
13. {
14.     [super viewDidLoad];
15.     
16.     UIScrollView *scrollView = [[UIScrollView alloc] init];
17.     scrollView.frame = CGRectMake(0, 0, 250, 250); // 指UIScrollView的可视范围
18.     scrollView.backgroundColor = [UIColor grayColor];
19.     [self.view addSubview:scrollView];
20.     
21.     UIImageView *imageView = [[UIImageView alloc] init];
22.     imageView.image = [UIImage imageNamed:@"big.jpg"];
23.     CGFloat imgW = imageView.image.size.width; // 图片的宽度
24.     CGFloat imgH = imageView.image.size.height; // 图片的高度
25.     imageView.frame = CGRectMake(0, 0, imgW, imgH);
26.     [scrollView addSubview:imageView];
27.     
28.     // 设置UIScrollView的滚动范围（内容大小）
29.     scrollView.contentSize = imageView.image.size; 
30.     // 隐藏水平滚动条
31.     scrollView.showsHorizontalScrollIndicator = NO;
32.     scrollView.showsVerticalScrollIndicator = NO;
33.     
34.     // 去掉弹簧效果
35. //    scrollView.bounces = NO;
36.     
37.     // top  left  bottom  right
38.     scrollView.contentInset = UIEdgeInsetsMake(10, 20, 40, 80);
39. }
40. @end

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