通过UIPickerView选择器做的一个类似于密码锁的日期时间表
源码如下：
1 #import <UIKit/UIKit.h>
2
3 @interface ViewController : UIViewController<UIPickerViewDataSource,UIPickerViewDelegate>
4 @property (strong,nonatomic) NSArray *weeks;//显示第一列的数据
5 @property (strong,nonatomic) NSArray *time; //显示第二列的数据
6
7 @property (strong,nonatomic)NSArray *years; //显示第三列的显示年
8 @property (strong,nonatomic)NSArray *months; //显示第四列的显示月
9 @property (strong,nonatomic)NSArray *days; //显示第五列的显示日
10
11 @property (assign,nonatomic)NSInteger number;
12 @property (strong,nonatomic)NSString *str;
13 @end
1 #import "ViewController.h"
2
3 @interface ViewController ()
4 @property (weak, nonatomic) IBOutlet UIPickerView *pickerView;
5
6 @end
7
8 @implementation ViewController
9 - (void)viewDidLoad {
10 [super viewDidLoad];
11
12 //初始化
13
14 self.weeks = [NSArray arrayWithObjects:@"Mon",@"Tus",@"Thi",@"Wen",@"Fir",@"Sat",@"Sun", nil];
15
16 self.time = [NSArray arrayWithObjects:@"上午",@"中午",@"下午", nil];
17
18 self.years = [NSArray arrayWithObjects:@"2000",@"2001",@"2002",@"2003",@"2004",@"2005",@"2006",@"2007",@"2008",@"2009",@"2010",@"2011",@"2012",@"2013",@"2014",nil];
19
20 self.months = [NSArray arrayWithObjects:@"1",@"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", @"10", @"11", @"12", nil];
21
22 self.days = [NSArray arrayWithObjects:@"01",@"02",@"03",@"04",@"05",@"06",@"07",@"08",@"09",@"10",@"11",@"12",@"13",@"14",@"15",@"16",@"17",@"18",@"19",@"20",@"21",@"22",@"23",@"24",@"25",@"26",@"27",@"28",@"29",@"30",@"31",nil];
23
24
25 //设置pickerView的DataSource和Delegate
26 self.pickerView.dataSource = self;
27 self.pickerView.delegate = self;
28 }
29 - (void)didReceiveMemoryWarning {
30 [super didReceiveMemoryWarning];
31 // Dispose of any resources that can be recreated.
32 }
33
34 #pragma mark-pickerView的代理方法
35
36 //设置有多少列
37 -(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
38 {
39 return 5;
40 }
41
42 //设置每列多少行
43 -(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
44 {
45 switch (component)
46 {
47 case 0:
48 self.number = self.weeks.count;
49 break;
50 case 1:
51 self.number = self.time.count;
52 break;
53 case 2:
54 self.number = self.years.count;
55 break;
56 case 3:
57 self.number = self.months.count;
58 break;
59 case 4:
60 self.number = self.days.count;
61 break;
62 }
63
64 return self.number;
65
66 }
67
68 //设置每行每列显示的内容
69 -(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
70 {
71
72 switch (component)
73 {
74 case 0:
75 self.str = self.weeks[row];
76 break;
77 case 1:
78 self.str = self.time[row];
79 break;
80 case 2:
81 self.str = self.years[row];
82 break;
83 case 3:
84 self.str = self.months[row];
85 break;
86 case 4:
87 self.str = self.days[row];
88 break;
89 }
90
91 return self.str;
92
93 }
94
95 //通过代理方法didSelectRows获取数据
96 - (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
97 {
98 //NSLog(@"列：%ld，行：%ld",component,row);
99 switch (component)
100 {
101 case 0:
102 NSLog(@"%@",[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.weeks[row],self.time[[pickerView selectedRowInComponent:1]],self.years[[pickerView selectedRowInComponent:2]],self.months[[pickerView selectedRowInComponent:3]],self.days[[pickerView selectedRowInComponent:4]]]);
103 break;
104 case 1:
105 NSLog(@"%@",[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.weeks[[pickerView selectedRowInComponent:0]],self.time[row],self.years[[pickerView selectedRowInComponent:2]],self.months[[pickerView selectedRowInComponent:3]],self.days[[pickerView selectedRowInComponent:4]]]);
106 break;
107 case 2:
108 NSLog(@"%@",[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.weeks[[pickerView selectedRowInComponent:0]],self.time[[pickerView selectedRowInComponent:1]],self.years[row],self.months[[pickerView selectedRowInComponent:3]],self.days[[pickerView selectedRowInComponent:4]]]);
109 break;
110 case 3:
111 NSLog(@"%@",[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.weeks[[pickerView selectedRowInComponent:0]],self.time[[pickerView selectedRowInComponent:1]],self.years[[pickerView selectedRowInComponent:2]],self.months[row],self.days[[pickerView selectedRowInComponent:4]]]);
112 break;
113 case 4:
114 NSLog(@"%@",[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.weeks[[pickerView selectedRowInComponent:0]],self.time[[pickerView selectedRowInComponent:1]],self.years[[pickerView selectedRowInComponent:2]],self.months[[pickerView selectedRowInComponent:3]],self.days[row]]);
115 break;
116 }
117 }
118 @end