IOS_UIDatePicker
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
NSTimer *timer;
NSInteger seconds;
@synthesize datePicker;
@synthesize btn;
@synthesize btn2;
- (void)viewDidLoad {
[super viewDidLoad];
//btn1
btn = [[UIButton alloc] initWithFrame:CGRectMake(100, 500,100,30)];
[btn setTitle:@"确定1" forState:UIControlStateNormal];
[btn setBackgroundColor:[UIColor grayColor]];
[btn addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];
//btn2
btn2 = [[UIButton alloc] initWithFrame:CGRectMake(210, 500, 100, 30)];
[btn2 setTitle:@"确定2" forState:UIControlStateNormal];
[btn2 setBackgroundColor:[UIColor grayColor]];
[btn2 addTarget:self action:@selector(click2:) forControlEvents:UIControlEventTouchUpInside];
//初始化时间空间
datePicker = [[UIDatePicker alloc] initWithFrame:CGRectMake(0, 0,0,0)];
/*
支持的模式
UIDatePickerModeDate 年月日
UIDatePickerModeDateAndTime 年月日，时分秒
UIDatePickerModeTime 时分
UIDatePickerModeCountDownTimer
*/
datePicker.datePickerMode = UIDatePickerModeCountDownTimer;
//时间间隔
datePicker.minuteInterval = 3;
//设置本地化格式
datePicker.locale = [[NSLocale alloc]initWithLocaleIdentifier:@"Chinese"];
//设置时间为当前时间
[datePicker setDate:[NSDate date] animated:YES];
// [datePicker setMinimumDate:[[NSDate alloc] ini]];
NSDate *date = [NSDate date];
NSTimeInterval timeInterval = 24*60*60*7;
[datePicker setMinimumDate:date ]; //设置最小时间
[datePicker setMaximumDate:[date dateByAddingTimeInterval:timeInterval]]; //设置最大时间
//添加控件大视图
[self.view addSubview:datePicker];
[self.view addSubview:btn];
[self.view addSubview:btn2];
}
//获取当前时间并显示大UIAlertView视图中
-(void)click:(UIButton *)sender{
NSDate *date = [self.datePicker date]; //获取当前日期的时间
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; //格式化日期
NSString *msg = [formatter stringFromDate:date];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"时间" message:msg delegate:nil cancelButtonTitle:@"取消" otherButtonTitles:nil];
[alert show];
}
-(void)click2:(UIButton *)sender{
seconds = self.datePicker.countDownDuration; //声音时间s
self.datePicker.enabled = NO; //禁用控件
sender.enabled = NO; //禁用按钮
NSString *time = [NSString stringWithFormat:@"你还剩下【%ld】秒",seconds];
//弹出一个alert
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:time delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil];
[alert show];
//定时器
timer = [NSTimer scheduledTimerWithTimeInterval:60 target:self selector:@selector(time) userInfo:nil repeats:YES];
}
-(void) time{
seconds -= 60;
NSLog(@"second = %ld",seconds);
self.datePicker.countDownDuration = seconds;
if(seconds <= 0){
[timer invalidate];
[self.btn2 setEnabled:YES];
[self.datePicker setEnabled:YES];
}
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end