struct DatePickerView:View{@StateprivatevarwakeUp=Date()varbody:some View{VStack{// 有标题DatePicker("Please enter a date",selection:$wakeUp)// 无标题DatePicker("Please enter a date",selection:$wakeUp).labelsHidden()// 无标题,有时间范围DatePicker("Please",selection:$wakeUp,in:Date()...Date(...
= UUID() // 用于为 List 提供数据源,使用可选类型并提供默认值 let title: String let type: String let items: [String]? // 手动添加 CodingKeys 枚举,确保 id 不会被解码 enum CodingKeys: String, CodingKey { case title, type, items } } let author: String let date: String let slides: [...
importSwiftUI struct ContentView:View{letdate=Date()varformatter:DateFormatter{letdateFormatter=DateFormatter()dateFormatter.dateFormat="yyyy-MM-dd hh:mm:ss"returndateFormatter}varbody:some View{VStack{Text("\(date)")Text(formatter.string(from:date))}}} 效果如下: SwiftUI 1.0 SwiftUI 2.0 SwiftUI ...
"")Spacer()Text(formatDate(date: item.timestamp!))}}}.padding()}}// 日期格式化函数funcformatDate(date:Date)->String{let formatter =DateFormatter() formatter.dateFormat ="yyyy-MM-dd HH:mm:ss"return formatter.string(from: date)}}代码执行逻辑：我们使用 @SectionedFetchRequest<Int32, ...
func currentMonthDateString()->String{ return currentMonthStartDate.formatted(date: .abbreviated, time: .omitted) + " - " + Date().formatted(date: .abbreviated, time: .omitted) } // 将费用换算成货币 func convertExpensesToCurrency(expenses: [Expense],type:ExpenseType = .all)-> String { va...
DatePicker(selection: $selectedDate, displayedComponents: [.hourAndMinute]) { Text("时间") } } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 显示效果如下: 滚动式控件的界面 就在DatePicker后面加上:.datePickerStyle(WheelDatePickerStyle()) 就可以。
🔺 Date to string with format // Preset formatsDate().getString(with:.commaWithWeekday)// Or custom formatsDate().getString(with:"MMMM yyyy") 🔺 Number of day to another date Date().numberOfDays(until:anotherDate) 🔺 String to Date ...
/// - Date: 26 Jan, 2016 /// - Since: iOS 5 /// - Version: 3.1415926 func showMetaComments() -> String{ let text = "Hello, comments:)" return text } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Mark / TODO / FIXME ...
(Date.self,forKey:.registered)tags=trycontainer.decode([String].self,forKey:.tags)friends=trycontainer.decode([Friend].self,forKey:.friends)}funcencode(to encoder:Encoder)throws{varcontainer=encoder.container(keyedBy:CodingKeys.self)trycontainer.encode(id,forKey:.id)trycontainer.encode(isActive,...
@objc(Student)publicclassStudent:NSManagedObject,Identifiable{@NSManagedpublicvarname:String?@NSmanagedpublicvarbirthdate:Date?}publicstructStudentViewModel:Identifiable{letname:Stringletbirthdate:String}extensionStudent{varviewModel:StudentViewModel(name:name??""birthdate:(birthdate??Date()).toString()//举例...