UIday0803:UIDatePicker的属性和用法

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RootViewController.m

#import "RootViewController.h"@interface RootViewController ()@property(nonatomic,strong)RootView * rv;@end@implementation RootViewController-(void)loadView{    self.rv = [[RootView alloc]initWithFrame:[UIScreen mainScreen].bounds];    self.view = _rv;}- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.        //样式    self.rv.datePicker.datePickerMode = UIDatePickerModeDate;//    self.rv.datePicker.datePickerMode = UIDatePickerModeCountDownTimer;        //国际化 显示中文日期   中文zh_CN 英文en_US    self.rv.datePicker.locale = [NSLocale localeWithLocaleIdentifier:@"zh_CN"];        //日历    self.rv.datePicker.calendar = [NSCalendar currentCalendar];        //时区    self.rv.datePicker.timeZone = [NSTimeZone timeZoneWithName:@"Asia/Shanghai"];        //时间格式    NSDateFormatter * dateFormatter = [[NSDateFormatter alloc]init];    [dateFormatter setDateFormat:@"yyyy"];        //最小时间    self.rv.datePicker.minimumDate = [dateFormatter dateFromString:@"2000"];        //最大时间    self.rv.datePicker.maximumDate = [dateFormatter dateFromString:@"2015"];        //当前表盘停留在哪个时间上//    self.rv.datePicker.countDownDuration = 60*60;//    //    //时间刻度//    self.rv.datePicker.minuteInterval = 3;            //    NSLog(@"%@",[NSTimeZone,])            }static int count = 0;-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{    // 用触发的方式改变表盘上的值//    self.rv.datePicker.countDownDuration = count++ * 60;        // 获取表盘上的时间    NSLog(@"%@",self.rv.datePicker.date);    }- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

RootView.m

#import "RootView.h"@implementation RootView- (instancetype)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        [self p_setupViews];    }    return self;}-(void)p_setupViews{    self.backgroundColor = [UIColor yellowColor];        self.datePicker = [[UIDatePicker alloc]initWithFrame:CGRectMake(0, 0, 100, 200)];        // 属性    // 样式//    self.datePicker.datePickerMode = UIDatePickerModeTime;//    //    self.datePicker.datePickerMode = UIDatePickerModeDate;//    //    self.datePicker.datePickerMode = UIDatePickerModeDateAndTime;    //    self.datePicker.datePickerMode = UIDatePickerModeCountDownTimer;    //    NSLog(@"%@",self.datePicker.locale);    //    NSLog(@"%@",self.datePicker.date);            [self addSubview:_datePicker];    }

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