但是一直没有类型可以单独表示日期(Date)或者时间(Time) 在 .NET 6 里,提出了关于此问题的提议 https://github.com/dotnet/runtime/issues/49036 ,增加两个新结构体 DateOnly DateOnly: https://github.com/dotnet/runtime/blob/3af186126e7e0ae99f3fb12dec002596548bb62f/src/libraries /System.Private.CoreLib/src/System/DateOnly.cs ? TimeOnly 表示时间,取值范围 00:00:00 至 23:59:59.9999999 DateOnly 表示日期,取值范围 0001年1月1日至9999年12月31日 参考资料 .NET 6
Man, Woman } 修改默认的控制器WeatherForecastController的Get方法返回值增加 public class WeatherForecast { public DateOnly IEnumerable<WeatherForecast> Get() { return Enumerable.Range(1,5).Select(index =>newWeatherForecast { Date=DateOnly.FromDateTime 本来以为就是这一个接口需要这么处理,那么我就随便堆一下吧,只需要修改返回类 using Newtonsoft.Json; public class WeatherForecast { public DateOnly System.Text.Json.Serialization; namespace WebApplication1; public class WeatherForecast { public DateOnly System.Text.Json.Serialization; // 错误的 namespaceWebApplication1; publicclassWeatherForecast { public DateOnly
ALLOW_INVALID_DATESANSI_QUOTESERROR_FOR_DIVISION_BY_ZEROHIGH_NOT_PRECEDENCEIGNORE_SPACENO_AUTO_VALUE_ON_ZERONO_BACKSLASH_ESCAPESNO_DIR_IN_CREATENO_ENGINE_SUBSTITUTIONNO_UNSIGNED_SUBTRACTIONNO_ZERO_DATENO_ZERO_IN_DATEONLY_FULL_GROUP_BYPAD_CHAR_TO_FULL_LENGTHPIPES_AS_CONCATREAL_AS_FLOATSTRICT_ALL_TABLESSTRICT_TRANS_TABLESTIME_TRUNCATE_FRACTIONAL ALLOW_INVALID_DATESANSI_QUOTESERROR_FOR_DIVISION_BY_ZEROHIGH_NOT_PRECEDENCEIGNORE_SPACENO_AUTO_CREATE_USERNO_AUTO_VALUE_ON_ZERONO_BACKSLASH_ESCAPESNO_DIR_IN_CREATENO_ENGINE_SUBSTITUTIONNO_FIELD_OPTIONSNO_KEY_OPTIONSNO_TABLE_OPTIONSNO_UNSIGNED_SUBTRACTIONNO_ZERO_DATENO_ZERO_IN_DATEONLY_FULL_GROUP_BYPAD_CHAR_TO_FULL_LENGTHPIPES_AS_CONCATREAL_AS_FLOATSTRICT_ALL_TABLESSTRICT_TRANS_TABLESTIME_TRUNCATE_FRACTIONAL ALLOW_INVALID_DATESANSI_QUOTESERROR_FOR_DIVISION_BY_ZEROHIGH_NOT_PRECEDENCEIGNORE_SPACENO_AUTO_CREATE_USERNO_AUTO_VALUE_ON_ZERONO_BACKSLASH_ESCAPESNO_DIR_IN_CREATENO_ENGINE_SUBSTITUTIONNO_FIELD_OPTIONSNO_KEY_OPTIONSNO_TABLE_OPTIONSNO_UNSIGNED_SUBTRACTIONNO_ZERO_DATENO_ZERO_IN_DATEONLY_FULL_GROUP_BYPAD_CHAR_TO_FULL_LENGTHPIPES_AS_CONCATREAL_AS_FLOATSTRICT_ALL_TABLESSTRICT_TRANS_TABLES
ISOWeek 类扩展 DateOnly 类型兼容性,简化周数计算(https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib public static class ISOWeek { // 新的重载方法 public static int GetWeekOfYear(DateOnly date); public static int GetYear(DateOnly date); public static DateOnly ToDateOnly(int
DateOnly & TimeOnly .NET 6 引入了两种期待已久的类型 - DateOnly 和 TimeOnly, 它们分别代表DateTime的日期和时间部分。 DateOnly dateOnly = new(2021, 9, 25); Console.WriteLine(dateOnly); TimeOnly timeOnly = new(19, 0, 0); Console.WriteLine(timeOnly); DateOnly dateOnlyFromDate = DateOnly.FromDateTime(DateTime.Now); Console.WriteLine
guestParty; private CabinData data; private DateOnly from; private DateOnly to; public Cabin(CabinData record) { data = record; if (DateOnly.TryParse(data.From, out DateOnly result)) { from = result; } else Console.WriteLine($" //Cabin.cs public static void RegisterCabin(Cabin cabin, DateOnly date) { if (registeredCabins.Exists todaysdate = DateOnly.FromDateTime(nw); foreach (CabinData cb in cabindata) { Cabin.RegisterCabin
{ now = DateTime.Now, time = TimeOnly.FromDateTime(DateTime.Now), day = DateOnly.FromDateTime :43:02.0027311+08:00", "time": "14:43", "day": "2022/10/30" } 在 .NET 7 的当前预览版中,已经支持了 TimeOnly 和 DateOnly System.Text.Json; using System.Text.Json.Serialization; internal class JsonDateOnlyConverter : JsonConverter<DateOnly > { public string Format { get; set; } = "yyyy-MM-dd"; public override DateOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) => DateOnly.Parse(reader.GetString());
模拟服务端的todo接口: var sampleTodos = new Todo[] { new(1, "Walk the dog"), new(2, "Do the dishes", DateOnly.FromDateTime (DateTime.Now)), new(3, "Do the laundry", DateOnly.FromDateTime(DateTime.Now.AddDays(1))), new (4, "Clean the bathroom"), new(5, "Clean the car", DateOnly.FromDateTime(DateTime.Now.AddDays(2)) Title, DateOnly?
publicrecordPerson(string FirstName,string LastName,DateOnly Birthday); 第 2 步:添加自定义 JSON 转换器 接下来,我们将为该类创建自定义 GetString(); var lastName= jsonDocument.RootElement.GetProperty("lastName").GetString(); var birthday= DateOnly.Parse [JsonConverter(typeof(PersonJsonConverter))] publicrecordPerson(string FirstName,string LastName,DateOnly
ISOWeek 类扩展 DateOnly 类型兼容性,简化周数计算(https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib public static class ISOWeek { // 新的重载方法 public static int GetWeekOfYear(DateOnly date); public static int GetYear(DateOnly date); public static DateOnly ToDateOnly(int
测试了不会覆盖以前的内容 //创建文件名类似于: log_2018-01-17.txt typedefspdlog::sinks::daily_file_sink<std::mutex, spdlog::sinks::dateonly_daily_file_name_calculator > dateonly_daily_file_sink_mt; auto m_logger = spdlog::create<dateonly_daily_file_sink_mt>("logger","
为 DateOnly 新增 ISOWeek 重载方法 ISOWeek 类最初是为与 DateTime 配合使用而设计的,但随着 DateOnly 的引入,需要额外的支持。 .NET 10 包含了新的 ISOWeek 重载方法,以便能够直接与 DateOnly 配合使用,简化了基于周的计算,无需转换为 DateTime。 新方法 public static class ISOWeek { public static int GetWeekOfYear(DateOnly date); public static int GetYear(DateOnly date); public static DateOnly ToDateOnly(int year, int week, DayOfWeek dayOfWeek
一个包含示例待办事项的数组 var sampleTodos = new Todo[] { new(1, "Walk the dog"), new(2, "Do the dishes", DateOnly.FromDateTime (DateTime.Now)), new(3, "Do the laundry", DateOnly.FromDateTime(DateTime.Now.AddDays(1))), new (4, "Clean the bathroom"), new(5, "Clean the car", DateOnly.FromDateTime(DateTime.Now.AddDays(2)) Title, DateOnly?
= Enumerable.Range(1, 5).Select(index => 22 new WeatherForecast 23 ( 24 DateOnly.FromDateTime forecast; 30 }); 31 32 app.MapDefaultEndpoints(); 33 34 app.Run(); 35 36 record WeatherForecast(DateOnly []; 23 } 24 } 25 26 public record WeatherForecast(DateOnly Date, int TemperatureC, string?
forecast = Enumerable.Range(1, 5).Select(index => new WeatherForecast ( DateOnly.FromDateTime .ToArray(); return forecast; }); //运行 API app.Run(); internal record WeatherForecast(DateOnly
return Enumerable.Range(1, 5).Select(index => new WeatherForecast { Date = DateOnly.FromDateTime
app.MapGet("/weatherforecast",()=> { var forecast= Enumerable.Range(,).Select(index=> newWeatherForecast ( DateOnly.FromDateTime app.MapGet("/weatherforecast",()=> { var forecast= Enumerable.Range(,).Select(index=> newWeatherForecast ( DateOnly.FromDateTime get;set;}=string.Empty; publicstring Password{get;set;}=string.Empty; } publicrecordWeatherForecast(DateOnly
decimal Price { get; set; }
///
System.Text.Json是.NET中提供的高性能 JSON 序列化器,但是它对于比较特殊的类型支持并不好,然而在实际项目中的需求总是各种各样的,很多时候我们需要自定义Converter ,并且微软新出的DateOnly
return Enumerable.Range(1, 5).Select(index => new WeatherForecast { Date = DateOnly.FromDateTime