Swift - UIDatePicker
发布时间:2020-12-14 05:07:03 所属栏目:百科 来源:网络整理
导读:import UIKitclass ViewController: UIViewController{ override func viewDidLoad() { super.viewDidLoad() //创建DatePicker let datePicker = UIDatePicker() //设置位置 datePicker.center = self.view.center //设置tag(可通过tag来获取其对象) datePic
import UIKit class ViewController: UIViewController{ override func viewDidLoad() { super.viewDidLoad() //创建DatePicker let datePicker = UIDatePicker() //设置位置 datePicker.center = self.view.center //设置tag(可通过tag来获取其对象) datePicker.tag = 1 //设置显示模式为日期时间 datePicker.datePickerMode = UIDatePicker.Mode.dateAndTime //设置最大值,最小值 datePicker.maximumDate = Date(timeInterval:3*24*60*60,since:Date())//设置最大值为现在时间往后三天以内 datePicker.minimumDate = Date()//设置最小值为现在 //添加到视图中 self.view.addSubview(datePicker) //添加确定按钮 let button = UIButton(frame: CGRect(x: 50,y: 400,width: 250,height: 50)) button.backgroundColor = UIColor.yellow button.setTitle("确定",for: .normal) button.addTarget(self,action: #selector(ViewController.getValue),for: .touchUpInside) self.view.addSubview(button) } @objc func getValue() { let datePicker = self.view.viewWithTag(1)as! UIDatePicker//通过tag获取datePicker对象 let date = datePicker.date//获取选定的值 //初始化日期格式化对象 let dateFormatter = DateFormatter() //设置日期格式化对象的具体格式 dateFormatter.dateFormat = "yyyy-MM-dd HH:mm" //将选定的值转换为string格式以设定格式输出 let dateAndTime = dateFormatter.string(from: date) print(dateAndTime) } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |