ios:UISegmentedControl

UISegmentedControl.m

//创建一个UISegmentedControl实例
NSArray *segmentTextContent = [NSArray arrayWithObjects:@"资讯",@"博客",@"推荐阅读",nil];
UISegmentedControl *segment = [[UISegmentedControl alloc] initWithItems:segmentTextContent];
segment.selectedSegmentIndex = 0;
segment.autoresizingMask = UIViewAutoresizingFlexibleWidth;
segment.segmentedControlStyle = UISegmentedControlStyleBar;

//UISegmentedControl实例添加事件
[segment addTarget:self action:@selector(segmentedControlChangedValue:) forControlEvents:UIControlEventValueChanged];

//UISegmentedControl实例对应的事件实现
-(void) segmentedControlChangedValue:(id)sender{
    int selectIndex = [sender selectedSegmentIndex];//获取segment选中的index，从0开始计数
}