@property (nonatomic,strong) UISegmentedControl *segmentedcontrol;

 

//标题
    NSArray *segmentArry = [NSArray arrayWithObjects:@"中国",@"美国",@"大不列颠英国",@"俄罗斯", nil];
    //初始化
    self.segmentedcontrol = [[UISegmentedControl alloc] initWithItems:segmentArry];
    //iOS 7.0后被弃用
    //self.segmentedcontrol.segmentedControlStyle = UISegmentedControlStylePlain;
    self.segmentedcontrol.frame = CGRectMake(20, 40, self.view.frame.size.width-40, 30);
    //默认值为NO，即点击后保持选中状态，如果设置为YES则，只是短暂的显示选中状态
    self.segmentedcontrol.momentary = YES;
    //指示控件是否根据其内容宽度来调整片段宽度
    self.segmentedcontrol.apportionsSegmentWidthsByContent = YES;
    //设置UISegmentedControl的边框、分割线、文字、点击后的颜色
    self.segmentedcontrol.tintColor = [UIColor blueColor];
   
   
    //通过Attribute字符串属性字典设置Segment标签属性(正常状态下)
    [self.segmentedcontrol setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0],NSForegroundColorAttributeName:[UIColor purpleColor]} forState:UIControlStateNormal];
    //通过Attribute字符串属性字典设置Segment标签属性(选中状态下)
     [self.segmentedcontrol setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0],NSForegroundColorAttributeName:[UIColor redColor]} forState:UIControlStateSelected];
   
   
    //添加事件
    [self.segmentedcontrol addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
   
    [self.view addSubview:self.segmentedcontrol];

   

- (void)segmentAction:(UISegmentedControl *)click{
   
    //UISegmentedControl的段数
    NSInteger totelindext = self.segmentedcontrol.numberOfSegments;
    //当前选中Segment
    NSInteger selectindext = self.segmentedcontrol.selectedSegmentIndex;
    NSLog(@"共分：%ld段,当前选中：%ld段",totelindext,selectindext);
    //指定索引点插入新标题
    [self.segmentedcontrol insertSegmentWithTitle:@"德国" atIndex:selectindext animated:YES];
    //指定索引点插入新图片
    [self.segmentedcontrol insertSegmentWithImage:[UIImage imageNamed:@"flag"] atIndex:selectindext animated:YES];
    //移除指定Segment
    [self.segmentedcontrol removeSegmentAtIndex:selectindext+1 animated:YES];
    //移除全部Segment
    [self.segmentedcontrol removeAllSegments];
    //设置指定Segment的标题
    [self.segmentedcontrol setTitle:@"日本" forSegmentAtIndex:0];
    //返回指定Segment的标题
    NSString *segmentTitle = [self.segmentedcontrol titleForSegmentAtIndex:0];
    NSLog(@"索引为：0的标题设置为：%@",segmentTitle);
    //设置指定Segment的image
    [self.segmentedcontrol setImage:[UIImage imageNamed:@"flag"] forSegmentAtIndex:0];
    //返回指定Segment的image
    UIImage *segmentImage = [self.segmentedcontrol imageForSegmentAtIndex:0];
     NSLog(@"索引为：0的图片设置为：%@",segmentImage);
    //设置指定Segment的宽度 默认（0，0）自适应
    [self.segmentedcontrol setWidth:100 forSegmentAtIndex:0];
    //返回指定Segment的宽度
    CGFloat segmentW = [self.segmentedcontrol widthForSegmentAtIndex:0];
    NSLog(@"索引为：0的Segment宽度设置为：%.2f",segmentW);
    //设置指定Segment的偏移量
    [self.segmentedcontrol setContentOffset:CGSizeMake(5.0, 2.0) forSegmentAtIndex:0];
    //获取指定Segment的偏移量
    CGSize segmentSize = [self.segmentedcontrol contentOffsetForSegmentAtIndex:0];
     NSLog(@"索引为：0的Segment偏移量设置为：%@", NSStringFromCGSize(segmentSize));
    //设置指定Segment是否有效
    [self.segmentedcontrol setEnabled:YES forSegmentAtIndex:0];
    //返回指定Segment是否有效
    BOOL segmentBool = [self.segmentedcontrol isEnabledForSegmentAtIndex:0];
    NSLog(@"索引为：0的Segment当前是否可以点击：%@",segmentBool ? @"可以":@"不可以");

 

   
}