UISegmentedControl 的使用

/** 设置选择器 */
- (void)setUpSegmentCtr {
    UISegmentedControl *segmentCtr = [[UISegmentedControl alloc] initWithItems:@[@"采购订单",@"销售订单"]];
    self.navigationItem.titleView = segmentCtr;
    [segmentCtr addTarget:self action:@selector(didClicksegmentedControlAction:) forControlEvents:UIControlEventValueChanged];
    self.segmentCtr = segmentCtr;
    NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys:EMCNavColor,
                         NSForegroundColorAttributeName,
                         [UIFont boldSystemFontOfSize:14],
                         NSFontAttributeName,nil];
    
    [ self.segmentCtr setTitleTextAttributes:dic forState:UIControlStateSelected];
    
    NSDictionary* unselectedTextAttributes = @{NSFontAttributeName:[UIFont boldSystemFontOfSize:14],
                                               NSForegroundColorAttributeName: [UIColor whiteColor]};
    [self.segmentCtr setTitleTextAttributes:unselectedTextAttributes forState:UIControlStateNormal];
    
    [self.segmentCtr setBackgroundImage:[UIImage imageWithColor:[UIColor clearColor]] forState:UIControlStateNormal barMetrics:UIBarMetricsDefaultPrompt];
    [self.segmentCtr setBackgroundImage:[UIImage imageWithColor:[UIColor whiteColor]] forState:UIControlStateSelected barMetrics:UIBarMetricsDefaultPrompt];
    
     self.segmentCtr.tintColor = [UIColor whiteColor];
     self.segmentCtr.apportionsSegmentWidthsByContent = NO;
    self.segmentCtr.backgroundColor = [UIColor clearColor];
    self.segmentCtr.selectedSegmentIndex = 0;
}

再viewdidload中添加

- (void)viewDidLoad {
    [super viewDidLoad];
    
    /** 设置选择器 */
    [self setUpSegmentCtr];
    
}

效果图如下：