IOS控制項 UIDatePicker

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效果

 

初始化

UIDatePicker *pick = [[UIDatePicker alloc] init];

屬性1. 模式

pick.datePickerMode = UIDatePickerModeTime;

可寫屬性有

    UIDatePickerModeTime,           // Displays hour, minute, and optionally AM/PM designation depending on the locale setting (e.g. 6 | 53 | PM)    UIDatePickerModeDate,           // Displays month, day, and year depending on the locale setting (e.g. November | 15 | 2007)    UIDatePickerModeDateAndTime,    // Displays date, hour, minute, and optionally AM/PM designation depending on the locale setting (e.g. Wed Nov 15 | 6 | 53 | PM)    UIDatePickerModeCountDownTimer, // Displays hour and minute (e.g. 1 | 53)

監聽1. 添加監聽

[pick addTarget:self action:@selector(setTimeOK:) forControlEvents:UIControlEventValueChanged];

2. 實現監聽

- (void)setTimeOK:(UIDatePicker *)sender{    NSDate *date = sender.date;    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];    formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss"; 
    NSString *dateStr = [formatter stringFromDate:date];
    self.textField.text = [NSString stringWithFormat:@"%@", dateStr];
 }

typedef enum {    NSDateFormatterNoStyle     = kCFDateFormatterNoStyle,    NSDateFormatterShortStyle  = kCFDateFormatterShortStyle,//“11/23/37” or “3:30pm”    NSDateFormatterMediumStyle = kCFDateFormatterMediumStyle,//\"Nov 23, 1937\"    NSDateFormatterLongStyle   = kCFDateFormatterLongStyle,//\"November 23, 1937” or “3:30:32pm\"    NSDateFormatterFullStyle   = kCFDateFormatterFullStyle//“Tuesday, April 12, 1952 AD” or “3:30:42pm PST”} NSDateFormatterStyle;