143 lines
3.3 KiB
C#
143 lines
3.3 KiB
C#
using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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namespace HT.Cloud.Code
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{
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#region JsonHelper
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public static class JsonHelper
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{
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/// <summary>
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/// 把数组转为逗号连接的字符串
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/// </summary>
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/// <param name="data"></param>
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/// <param name="Str"></param>
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/// <returns></returns>
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public static string ArrayToString(dynamic data, string Str)
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{
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string resStr = Str;
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foreach (var item in data)
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{
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if (resStr != "")
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{
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resStr += ",";
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}
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if (item is string)
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{
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resStr += item;
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}
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else
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{
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resStr += item.Value;
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}
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}
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return resStr;
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}
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public static object ToObject(this string Json)
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{
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return string.IsNullOrEmpty(Json) ? null : JsonConvert.DeserializeObject(Json);
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}
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public static T ToObject<T>(this string Json)
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{
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Json = Json.Replace(" ", "");
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return Json == null ? default(T) : JsonConvert.DeserializeObject<T>(Json);
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}
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public static JObject ToJObject(this string Json)
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{
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return Json == null ? JObject.Parse("{}") : JObject.Parse(Json.Replace(" ", ""));
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}
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public static List<T> ToList<T>(this string Json)
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{
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return Json == null ? null : JsonConvert.DeserializeObject<List<T>>(Json);
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}
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public static string ToJson(this object obj, string dateFormat = "yyyy/MM/dd HH:mm:ss")
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{
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return obj == null ? string.Empty : JsonConvert.SerializeObject(obj, new IsoDateTimeConverter { DateTimeFormat = dateFormat });
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}
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public static string ToJsonNullValueHandling(this object obj, string dateFormat = "yyyy/MM/dd HH:mm:ss")
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{
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return obj == null ? string.Empty : JsonConvert.SerializeObject(obj, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
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}
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}
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#endregion JsonHelper
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#region JsonConverter
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/// <summary>
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/// Json数据返回到前端js的时候，把数值很大的long类型转成字符串
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/// </summary>
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public class StringJsonConverter : JsonConverter
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{
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public StringJsonConverter()
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{ }
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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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return reader.Value.ToLong();
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}
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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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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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{
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writer.WriteNull();
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return;
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}
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string sValue = value.ToString();
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writer.WriteValue(sValue);
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}
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}
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/// <summary>
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/// DateTime类型序列化的时候，转成指定的格式
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/// </summary>
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public class DateTimeJsonConverter : JsonConverter
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{
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public DateTimeJsonConverter()
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{ }
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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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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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return reader.Value.ParseToString().ToDate();
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}
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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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{
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writer.WriteNull();
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return;
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}
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DateTime? dt = value as DateTime?;
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if (dt == null)
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{
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writer.WriteNull();
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return;
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}
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writer.WriteValue(dt.Value.ToString("yyyy/MM/dd HH:mm:ss"));
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}
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}
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#endregion JsonConverter
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} |