#import "ViewController.h"
#define ScreenW [UIScreen mainScreen].bounds.size.width
#define ScreenH [UIScreen mainScreen].bounds.size.height
#define BXColor(r, g, b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]
@interface ViewController ()
@property (nonatomic, strong) UIDatePicker *datePicker; // 选择器
@property (nonatomic, strong) UIButton *bgView; // 背景视图
@property (nonatomic, strong) UIView *dateView; // 日期视图
@property (nonatomic, strong) NSString *dateString; // 日期字符
@property (nonatomic, strong) NSDateFormatter *dateFormatter;
@property (nonatomic, strong) NSDate *date; // 日期
@property (nonatomic, strong) UIButton *sureButton; // 取消按钮
@property (nonatomic, strong) UIButton *cancelButton; // 取消按钮
@property (nonatomic, strong) UIButton *btn;
@end
@implementation ViewController
#pragma 懒加载
- (UIDatePicker *)datePicker{
if (_datePicker == nil) {
_datePicker = [[UIDatePicker alloc] init];
_datePicker.frame = CGRectMake(0, 0, ScreenW, 200);
_datePicker.backgroundColor = [UIColor whiteColor];
_datePicker.datePickerMode = UIDatePickerModeDate;
[_dateView addSubview:_datePicker];
}
return _datePicker;
}
- (UIView *)bgView{
if (_bgView == nil) {
_bgView = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, ScreenW, ScreenH)];
_bgView.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.25];
[_bgView addTarget:self action:@selector(quXiaoBtn) forControlEvents:UIControlEventTouchUpInside];
_bgView.hidden = YES;
}
return _bgView;
}
- (UIView *)dateView{
if (_dateView == nil) {
_dateView = [[UIView alloc] init];
}
return _dateView;
}
- (NSString *)dateString{
if (_dateString == nil) {
_dateString = [[NSString alloc] init];
}
return _dateString;
}
- (NSDateFormatter *)dateFormatter{
if (!_dateFormatter) {
_dateFormatter = [[NSDateFormatter alloc] init];
[_dateFormatter setDateFormat:@"yyyy-MM-dd hh:mm:ss"];
}
return _dateFormatter;
}
- (NSDate *)date{
if (!_date) {
_date = [[NSDate alloc] init];
}
return _date;
}
- (UIButton *)sureButton{
if (_sureButton == nil) {
_sureButton = [[UIButton alloc] initWithFrame:CGRectMake(ScreenW - 100*ScreenW/414, 250 - 40*ScreenH/736, 100*ScreenW/414, 40*ScreenH/736)];
_sureButton.layer.cornerRadius = 5.0;
[_sureButton setTitle:@"确定" forState:UIControlStateNormal];
[_sureButton addTarget:self action:@selector(shiJianQueRenBtn:) forControlEvents:UIControlEventTouchUpInside];
_sureButton.backgroundColor = BXColor(252, 102, 52);
}
return _sureButton;
}
- (UIButton *)cancelButton{
if (_cancelButton == nil) {
_cancelButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 250 - 40*ScreenH/736, 100*ScreenW/414, 40*ScreenH/736)];
_cancelButton.layer.cornerRadius = 5.0;
[_cancelButton setTitle:@"取消" forState:UIControlStateNormal];
[_cancelButton addTarget:self action:@selector(quXiaoBtn) forControlEvents:UIControlEventTouchUpInside];
_cancelButton.backgroundColor = [UIColor lightGrayColor];
}
return _cancelButton;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.dateString = [self.dateFormatter stringFromDate:self.date];
_btn = [[UIButton alloc] initWithFrame:CGRectMake(100, 300, 200, 40)];
_btn.center = self.view.center;
_btn.backgroundColor = [UIColor lightGrayColor];
[_btn setTitle:self.dateString forState:UIControlStateNormal];
[_btn addTarget:self action:@selector(btnClick) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:_btn];
self.dateView.frame = CGRectMake(0, ScreenH, ScreenW, 250);
self.dateView.backgroundColor = BXColor(255, 255, 0);
[self.bgView addSubview:self.dateView];
[self.view addSubview:self.bgView];
[self.dateView addSubview:self.cancelButton];
[self.dateView addSubview:self.sureButton];
}
//取消按钮
- (void)quXiaoBtn{
[UIView animateWithDuration:0.25 animations:^{
self.dateView.frame = CGRectMake(0, ScreenH, ScreenW, 250);
} completion:^(BOOL finished) {
self.bgView.hidden = YES;
}];
}
- (void)shiJianQueRenBtn:(UIButton *)sender{
NSLog(@"您所选择的时间为:%@",self.dateString);
[self.btn setTitle:self.dateString forState:UIControlStateNormal];
[UIView animateWithDuration:0.25 animations:^{
self.dateView.frame = CGRectMake(0, ScreenH, ScreenW, 250);
} completion:^(BOOL finished) {
self.bgView.hidden = YES;
}];
}
#pragma make - 按钮点击
- (void)btnClick{
self.bgView.hidden = NO;
//背景View
[UIView animateWithDuration:0.25 animations:^{
self.dateView.frame = CGRectMake(0, ScreenH - 250, ScreenW, 250);
} completion:^(BOOL finished) {
}];
[self createRiQiPicker];
}
#pragma mark----------日期picker--------------------
- (void)createRiQiPicker{
[self.datePicker addTarget:self action:@selector(dateChange:) forControlEvents: UIControlEventValueChanged];
self.dateString = [self.dateFormatter stringFromDate:self.datePicker.date];
}
- (void)dateChange:(UIDatePicker *)senser{
self.dateString = [self.dateFormatter stringFromDate:self.datePicker.date];
}
@end
