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UI<04> - UIPageControl<04>

//声明对象
@property (nonatomic,strong) UIPageControl *pagecontrol;
 
 //初始化
    self.pagecontrol = [[UIPageControl alloc] init];
    self.pagecontrol.backgroundColor = [UIColor greenColor];
      
    self.pagecontrol.frame = CGRectMake(0, 0, 100, 37);
    self.pagecontrol.center = CGPointMake(self.view.frame.size.width/2.0, self.view.frame.size.height/2.0);
    //总页数
    self.pagecontrol.numberOfPages = 5;
    //当前显示页
    self.pagecontrol.currentPage = 1;
    //其他页码指示器的颜色
    self.pagecontrol.pageIndicatorTintColor = [UIColor purpleColor];
    //当前页码指示器的颜色
    self.pagecontrol.currentPageIndicatorTintColor = [UIColor redColor];
    //只有一页时,是否隐藏页码指示器
    self.pagecontrol.hidesForSinglePage = YES;
    [self.view addSubview:self.pagecontrol];
   
    //添加事件
    [self.pagecontrol addTarget:self action:@selector(click:) forControlEvents:UIControlEventValueChanged];
   

UI<04> - UIPageControl<04>