UISegmentedControl 样式

_segment = [[UISegmentedControl alloc] initWithItems:@[@"aaaa", @"bbbb"]];

[_segment setFrame:CGRectMake(20, 300, 280, 30)];

[_segment setTintColor:[UIColor grayColor]];

[_segment setSelectedSegmentIndex:0];

_segment.layer.masksToBounds = YES;

_segment.layer.cornerRadius = 10.0;

_segment.layer.borderWidth = 1.0;

_segment.layer.borderColor = [UIColor cyanColor].CGColor;

[self.view addSubview:_segment];

UISegmentedControl 样式