1 //
2 // ViewController.m
3 // 4.20 自定义生日键盘
4 //
5 // Created by hissia on 16/4/20.
6 // Copyright © 2016年 suiyue. All rights reserved.
7 //
8
9 #import "ViewController.h"
10
11 @interface ViewController () <UITextFieldDelegate>
12 @property (weak, nonatomic) IBOutlet UITextField *birthdayLabel;
13
14 @property (strong, nonatomic)UIDatePicker *datePicker;
15
16 @end
17
18 @implementation ViewController
19 //是否允许输入文字
20 - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{
21 return NO;
22 }
23
24 - (void)viewDidLoad {
25 [super viewDidLoad];
26 _birthdayLabel.delegate = self;
27
28 // 设置自定义键盘
29 [self setupBirthdayKeyboard];
30
31 }
32
33 //自定义键盘格式
34 - (void)setupBirthdayKeyboard
35 {
36 // 创建UIDatePicker，有默认的frame，所以不用设置尺寸
37 UIDatePicker *picker = [[UIDatePicker alloc] init];
38
39 // 赋值 _datePicker
40 _datePicker = picker;
41
42 // 设置本地化（本地语言）
43 picker.locale = [NSLocale localeWithLocaleIdentifier:@"zh"];
44
45 // 设置时间显示格式，还有其他好多种
46 picker.datePickerMode = UIDatePickerModeDate;
47
48 //监听UIDatePicker的滚动
49 [picker addTarget:self action:@selector(dateChange:) forControlEvents:UIControlEventValueChanged];
50 self.birthdayLabel.inputView = picker;
51 }
52
53 - (void)dateChange:(UIDatePicker *)datePicker
54 {
55 // 这样就可以获得生日键盘的 datePicker.date
56 // NSLog(@"%@",datePicker.date);
57 // NSLog(@"%s",__func__); 此打印方法的的各种属性
58
59 //把获得的日期转化成字符串，赋值到birthdayLabel中
60 NSDateFormatter *fmt = [[NSDateFormatter alloc] init];
61 fmt.dateFormat = @"yyyy-MM-dd";
62 NSString *datestr = [fmt stringFromDate:datePicker.date];
63 _birthdayLabel.text = datestr;
64
65 }
66
67 //文本框开始编辑时候监听事件
68 - (void)textFieldDidBeginEditing:(UITextField *)textField
69 {
70 //获取当前dataPicker的日期
71 [self dateChange:_datePicker];
72 }
73 //点击空白处弹回生日键盘
74 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
75 {
76 [self.view endEditing:YES];
77 }
78 @end
