JSON帮助类-创新互联

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using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System;
using System.Globalization;

namespace Common.Core.Utilities
{
///   /// JSON帮助类
///   public static class JSONHelper
    {
#region 编码
   ///    /// 编码
/// 
   /// 类型   /// 要转换的类型数据   /// json字符串   public static string Encode(T t)
        {
return Encode(t, Formatting.None);
        }
#endregion   #region 编码
   ///    /// 编码
/// 
   ///    ///    ///    ///    public static string Encode(T t, Formatting format)
        {
            IsoDateTimeConverter timeConverter= new IsoDateTimeConverter();
            BigintConverter bigintConverter= new BigintConverter();
//这里使用自定义日期格式，如果不使用的话，默认是ISO8601格式            timeConverter.DateTimeFormat = "yyyy'-'MM'-'dd' 'HH':'mm':'ss";

return JsonConvert.SerializeObject(t, format, timeConverter, bigintConverter);
        }
#endregion   #region 解码
   ///    /// 解码
/// 
   /// 类型   /// json字符串   /// 类型数据   public static T Decode(string json)
        {
            BigintConverter bigintConverter= new BigintConverter();

return (T)JsonConvert.DeserializeObject(json, typeof(T), bigintConverter);
        }
#endregion
    }
#region Bigint转换成字符串
  ///   /// Bigint类型转换处理
///   public class BigintConverter : JsonConverter
    {
public override bool CanConvert(Type objectType)
        {
return objectType == typeof(System.Int64)
|| objectType == typeof(System.UInt64);
        }

public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
if (reader.TokenType == JsonToken.Null)
            {
return 0;
            }
else
            {
                IConvertible convertible= reader.Value as IConvertible;
if (objectType == typeof(System.Int64))
                {
return convertible.ToInt64(CultureInfo.InvariantCulture);
                }
else if (objectType == typeof(System.UInt64))
                {
return convertible.ToUInt64(CultureInfo.InvariantCulture);
                }
return 0;
            }
        }

public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
if (value == null)
            {
                writer.WriteValue("0");
            }
else if (value is Int64 || value is UInt64)
            {
                writer.WriteValue(value.ToString());
            }
else
            {
throw new Exception("Expected Bigint value");
            }
        }
    }
#endregion
}

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