弹出生日键盘

 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