IOS UI控件代码实现——Segmentarray控件

-(void)viewDidLoad{    [super viewDidLoad];    //建立一个数组，来存放title    NSArray *Segmentarray = [[NSArray alloc]initWithObjects:@"1",@"2",@"3",@"4",nil];    //初始化SegmentControl对象，并把title添加进去    self.segment = [[UISegmentedControl alloc]initWithItems:Segmentarray];    //使用完后，释放NSArray对象    [Segmentarray release];    //定位，设置添加到界面中的位置和它的宽／高    self.segment.frame = CGRectMake(40, 60, 120, 40);    //设置控件SegmentControl的风格    self.segment.segmentedControlStyle = UISegmentedControlStyleBezeled;    /* 四种控件风格     -      UISegmentedControlStylePlain,     // large plain     -      UISegmentedControlStyleBordered,  // large bordered     -      UISegmentedControlStyleBar,       // small button/nav bar style. tintable     -      UISegmentedControlStyleBezeled,   // large bezeled style. tintable     -      */    //设置初始的默认值,根据索引值来设置    self.segment.selectedSegmentIndex = 2;    //把控件添加到view中    [self.view addSubview:self.segment];    //释放SegmentControl对象    [segment release];}