1 @synthesize stepper = _stepper;
2 @synthesize segContol = _segContol;
3
4 - (void)viewDidLoad {
5 [super viewDidLoad];
6
7 _stepper = [[UIStepper alloc]init];
8
9 _stepper.frame = CGRectMake(100, 100, 80, 40);
10
11 _stepper.maximumValue = 100;
12
13 _stepper.minimumValue = 0;
14
15 //当前值
16 _stepper.value = 0;
17 //步进值
18 _stepper.stepValue = 10;
19
20 //是否可以重复响应事件.按住键盘试一试就知道效果了
21 _stepper.autorepeat = YES;
22
23 //是否将步进结果通过“事件函数”响应出来。yes需要，no不需要
24 _stepper.continuous = YES;
25
26 [_stepper addTarget:self action:@selector(stepChange) forControlEvents:UIControlEventValueChanged];
27
28 [self.view addSubview:_stepper];
29
30 _segContol = [[UISegmentedControl alloc]init];
31
32 //宽度可变，高度不可变
33 _segContol.frame = CGRectMake(100, 300, 280, 40);
34
35 [_segContol insertSegmentWithTitle:@"0元" atIndex:0 animated: NO];
36
37 [_segContol insertSegmentWithTitle:@"5元" atIndex:1 animated:NO ];
38
39 //选择当前默认索引
40 _segContol.selectedSegmentIndex = 0;
41
42 [_segContol addTarget:self action:@selector(segChanged) forControlEvents:
43 UIControlEventValueChanged];
44
45 [self.view addSubview:_segContol];
46
47 }
48
49 -(void) segChanged
50 {
51 NSLog(@"select id is %ld",(long)_segContol.selectedSegmentIndex );
52 }
53
54
55
56
57
58 -(void) stepChange
59 {
60 NSLog(@"Step changed value=%f",_stepper.value);
61 }
1 @interface ViewController : UIViewController
2 {
3 //定义步进器
4 UIStepper* _stepper;
5 UISegmentedControl* _segControl;
6
7 }
8
9 //属性定义
10 @property(retain,nonatomic) UIStepper* stepper;
11
12 @property(retain,nonatomic) UISegmentedControl* segContol;
