key1_beacon_api/ARW.WebApi/Framework/JsonConverterUtil.cs
2023-06-02 21:15:33 +08:00

38 lines
1.6 KiB
C#

using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace ARW.Admin.WebApi.Framework
{
public class JsonConverterUtil
{
public class DateTimeNullConverter : JsonConverter<DateTime?>
{
public override DateTime? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
=> string.IsNullOrEmpty(reader.GetString()) ? default(DateTime?) : ParseDateTime(reader.GetString());
public override void Write(Utf8JsonWriter writer, DateTime? value, JsonSerializerOptions options)
=> writer.WriteStringValue(value?.ToString("yyyy-MM-dd HH:mm:ss"));
}
public class DateTimeConverter : JsonConverter<DateTime>
{
public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var dateTime = ParseDateTime(reader.GetString());
return dateTime == null ? DateTime.MinValue : dateTime.Value;
}
public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
=> writer.WriteStringValue(value.ToString("yyyy-MM-dd HH:mm:ss"));
}
public static DateTime? ParseDateTime(string dateStr)
{
if (System.Text.RegularExpressions.Regex.IsMatch(dateStr, @"^\d{4}[/-]") && DateTime.TryParse(dateStr, null,System.Globalization.DateTimeStyles.AssumeLocal, out var dateVal))
return dateVal;
return null;
}
}
}