我们需要用UIPageControl控制三个view,下面轻看步骤和代码:
1.在.h头文件里面添加如下代码:
#import <UIKit/UIKit.h> @interface PageControl : UIViewController { IBOutlet UIView *oneView;//第一个view IBOutlet UIView *twoView;//第二个view IBOutlet UIView *threeView;//第三个view IBOutlet UIPageControl * pageControl;//页面控制视图 } @property(nonatomic,retain)UIView *oneView; @property(nonatomic,retain)UIView *twoView; @property(nonatomic,retain)UIView *threeView; @property(nonatomic,retain)UIView *pageControl; -(IBAction) pageChanged;//页面切换方法 @end
2.在xib文件里面的view中添加三个view,和一个PageControl控件,每个view中添加一个label,分别标识三个页面,如下图所示(页面布局请看本文的最后的图片),然后将第一个view和oneView连接,第二个view与twoView连接,第三个view和threeView连接,将Page Control 与pageControl连接,将Page Control控件的Touch Up Inside事件与pageChanged方法连接:
3.在.m文件中添加如下方法:
//页面控制方法 -(IBAction) pageChanged{ switch ([pageControl currentPage]) { case 0: [twoView removeFromSuperview]; [threeView removeFromSuperview]; [[self view] addSubview:oneView]; break; case 1: [oneView removeFromSuperview]; [threeView removeFromSuperview]; [[self view] addSubview:twoView]; break; case 2: [oneView removeFromSuperview]; [twoView removeFromSuperview]; [[self view] addSubview:threeView]; break; default: break; } }