using Newtonsoft.Json; using System.Collections.Generic; using System.IO; namespace Common.system { public class JsonHelper { #region Method /// <summary> /// 类对像转换成json格式 /// </summary> /// <returns></returns> public static string ToJson(object t) { return JsonConvert.SerializeObject( t, Newtonsoft.Json.Formatting.None, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Include } ); } /// <summary> /// 类对像转换成json格式 /// </summary> /// <param name="t"></param> /// <param name="HasNullIgnore">是否忽略NULL值</param> /// <returns></returns> public static string ToJson(object t, bool HasNullIgnore) { if (HasNullIgnore) { return JsonConvert.SerializeObject(t, Newtonsoft.Json.Formatting.Indented, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore }); } else { return ToJson(t); } } /// <summary> /// json格式转换 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="strJson"></param> /// <returns></returns> public static T JsonToObj<T>(string strJson) where T : class { if (strJson != null && strJson != "") { return JsonConvert.DeserializeObject<T>(strJson); } return null; } internal static List<T> JsonToList<T>(string respstr) { JsonSerializer serializer = new JsonSerializer(); StringReader sr = new StringReader(respstr); object o = serializer.Deserialize(new JsonTextReader(sr), typeof(List<T>)); List<T> list = o as List<T>; return list; } #endregion Method } }