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C# 任意類型資料轉JSON格式

/// <summary>   
/// List轉成json    
/// </summary> /// <typeparam name="T"></typeparam> /// <param name="jsonName"></param> /// <param name="list"></param> /// <returns></returns> public static string ListToJson<T>(IList<T> list, string jsonName) { StringBuilder Json = new StringBuilder(); if (string.IsNullOrEmpty(jsonName)) jsonName = list[0].GetType().Name; Json.Append("{\"" + jsonName + "\":["); if (list.Count > 0) { for (int i = 0; i < list.Count; i++) { T obj = Activator.CreateInstance<T>(); PropertyInfo[] pi = obj.GetType().GetProperties(); Json.Append("{"); for (int j = 0; j < pi.Length; j++) { Type type = pi[j].GetValue(list[i], null).GetType(); Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type)); if (j < pi.Length - 1) { Json.Append(","); } } Json.Append("}"); if (i < list.Count - 1) { Json.Append(","); } } } Json.Append("]}"); return Json.ToString(); } /// <summary> /// List轉成json /// </summary> /// <typeparam name="T"></typeparam> /// <param name="list"></param> /// <returns></returns> public static string ListToJson<T>(IList<T> list) { object obj = list[0]; return ListToJson<T>(list, obj.GetType().Name); } /// <summary> /// 對象轉換為Json字元串 /// </summary> /// <param name="jsonObject">對象</param> /// <returns>Json字元串</returns> public static string ToJson(object jsonObject) { string jsonString = "{"; PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties(); for (int i = 0; i < propertyInfo.Length; i++) { object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null); string value = string.Empty; if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan) { value = "'" + objectValue.ToString() + "'"; } else if (objectValue is string) { value = "'" + ToJson(objectValue.ToString()) + "'"; } else if (objectValue is IEnumerable) { value = ToJson((IEnumerable)objectValue); } else { value = ToJson(objectValue.ToString()); } jsonString += "\"" + ToJson(propertyInfo[i].Name) + "\":" + value + ","; } jsonString.Remove(jsonString.Length - 1, jsonString.Length); return jsonString + "}"; } /// <summary> /// 對象集合轉換Json /// </summary> /// <param name="array">集合對象</param> /// <returns>Json字元串</returns> public static string ToJson(IEnumerable array) { string jsonString = "["; foreach (object item in array) { jsonString += ToJson(item) + ","; } jsonString.Remove(jsonString.Length - 1, jsonString.Length); return jsonString + "]"; } /// <summary> /// 普通集合轉換Json /// </summary> /// <param name="array">集合對象</param> /// <returns>Json字元串</returns>       

轉載于:https://www.cnblogs.com/spring2007/p/5154823.html