UIDataPicker 时间选择器

自用时间选择器

 

@interface ViewController ()
{
    UILabel *cityLabel;
    UIDatePicker *datePicker;
}
//@property(nonatomic,strong)ZHPickView *pickview;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    cityLabel=[[UILabel alloc]init];
    cityLabel.frame=CGRectMake(50, 100, 300, 50 );
    cityLabel.text=@"abcdefg";
    [self.view addSubview:cityLabel];
    
    UIButton *btn=[[UIButton alloc]init];
    btn.frame=CGRectMake(100, 300, 100, 100);
    btn.backgroundColor=[UIColor yellowColor];
    [btn addTarget:self action:@selector(add) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:btn];
    
    //datePicker宽度320像素和高度216像素，系统都设置好了，只需设置一下他的远点坐标，
    datePicker = [[UIDatePicker alloc] initWithFrame:CGRectMake(0, 400,[UIScreen mainScreen].bounds.size.width, 216)];
    NSLocale *locale = [[NSLocale alloc]initWithLocaleIdentifier:@"zh_CN"];
    datePicker.locale = locale;
    //设置datePicker显示模式
    [datePicker setDatePickerMode:UIDatePickerModeDate];
    //DatePicker属于UIControl子类，可以触发事件，当滚动滑轮滑轮停下后就调用这个方法了
    [datePicker addTarget:self action:@selector(dateChanged:) forControlEvents:UIControlEventValueChanged];
    datePicker.hidden=YES;
    [self.view addSubview:datePicker];
}



-(void)add{
    datePicker.hidden=NO;
}

-(void)dateChanged:(id)sender
{
    UIDatePicker *control = (UIDatePicker*)sender;
    //把当前控件设置的时间赋给date
    NSDate *date = control.date;
    // 将NSDate格式装换成NSString类型
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];
    //设置日历显示格式
    [dateFormatter setDateFormat:@"yyyy/MM/dd"];
    //把日历时间传给字符串
    NSString *strDate = [dateFormatter stringFromDate:date];
    NSString *message = [[NSString alloc]initWithFormat:@"%@",strDate];
    cityLabel.text=message;
    
}