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55 lines
1.5 KiB
C#
55 lines
1.5 KiB
C#
using Newtonsoft.Json;
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namespace DS.Module.Core;
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public class JsonConverterLong : JsonConverter
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{
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/// <summary>
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/// 是否可以转换
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/// </summary>
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/// <param name="objectType"></param>
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/// <returns></returns>
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public override bool CanConvert(Type objectType)
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{
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return true;
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}
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/// <summary>
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/// 读json
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/// </summary>
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/// <param name="reader"></param>
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/// <param name="objectType"></param>
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/// <param name="existingValue"></param>
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/// <param name="serializer"></param>
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/// <returns></returns>
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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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if ((reader.ValueType == null || reader.ValueType == typeof(long?)) && reader.Value == null)
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{
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return null;
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}
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else
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{
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long.TryParse(reader.Value != null ? reader.Value.ToString() : "", out long value);
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return value;
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}
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}
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/// <summary>
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/// 写json
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/// </summary>
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/// <param name="writer"></param>
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/// <param name="value"></param>
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/// <param name="serializer"></param>
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public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
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{
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if (value == null)
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writer.WriteValue(value);
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else if ((Int64)value == 0)
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{
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writer.WriteValue("");
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}
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else
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writer.WriteValue(value + "");
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}
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} |