UIDatePicker时间选择器

#import "ViewController.h"

@interface ViewController ()

//时间选择器
@property (retain)UIDatePicker* datePicker;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //实例化时间选择器
    _datePicker = [[UIDatePicker alloc]initWithFrame:CGRectMake(0, 200, 320, 100)];
    //设置显示风格样式
    _datePicker.datePickerMode = UIDatePickerModeDate;
    //设置最小时间
    _datePicker.minimumDate = [NSDate dateWithTimeIntervalSinceNow:-50*360*24*60*60];
    //设置当前时间
    _datePicker.date = [NSDate date];
    //设置最大时间
    _datePicker.maximumDate = [NSDate date];//[NSDate dateWithTimeIntervalSinceNow:100*360*24*60*60];
    [self.view addSubview:_datePicker];


    UIButton* btn  =[UIButton buttonWithType:UIButtonTypeCustom];
    btn.frame = CGRectMake(0, 20, 50, 50);
    btn.backgroundColor = [UIColor cyanColor];
    [btn addTarget:self action:@selector(btnAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:btn];
}

-(void)btnAction:(UIButton*)sender
{
    NSLog(@"时间按钮。。。。。。。。");
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end