Json与List简单互转示例

小菜鸟 2021-11-19 PM 161℃ 0条
/// <summary>
        /// json转 List
        /// </summary>
        /// <param name="json"></param>
        /// <returns></returns>
        public static List<PlayerNode> My_fromJson(string json)
        {
            List<PlayerNode> list = new List<PlayerNode>();
            string[] Json_AllSplit = json.TrimStart('[').TrimEnd(']').Replace("},", "|").Replace("}", "").Replace("{", "").Split('|');
            for (int i = 0; i < Json_AllSplit.Length; i++)
            {
                //Debug.Log(Json_AllSplit[i]);
                string[] Json_SonSplit = Json_AllSplit[i].Split(',');
                string[] Name = Json_SonSplit[0].Split(':');
                string[] Score = Json_SonSplit[1].Split(':');
                string[] Rank = Json_SonSplit[2].Split(':');
                //Debug.Log(Name[1] + ":" + Score[1] + ":" + Rank[1]);
                list.Add(new PlayerNode(UnicodeString(Name[1].Replace("\"", "")), int.Parse(Score[1]), int.Parse(Rank[1])));
            }
            return list;
        }
        /// <summary>
        /// 数据转Json格式
        /// </summary>
        /// <param name="JsonListData"></param>
        /// <returns></returns>
        public static string My_ToJson<T>(List<T> JsonListData)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("[");
            for (int i = 0; i < JsonListData.Count; i++)
            {
                sb.Append("{");
                sb.Append(GetProperties_Name(JsonListData[i]));
                sb.Append("}");
                if (i < JsonListData.Count - 1)
                {
                    sb.Append(",");
                }
            }
            sb.Append("]");

            return sb.ToString();
        }
        /// <summary>
        /// 获取属性名和属性值
        /// </summary>
        /// <param name="JsonListData"></param>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        private static string GetProperties_Name<T>(T JsonListData)
        {
            string jsonString = string.Empty;//初始化字符串
            if (JsonListData == null)
            {//判断是否为空
                return jsonString;
            }
            //设置获取的约束
            System.Reflection.PropertyInfo[] properties = JsonListData.GetType().
            GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
            //判断属性值是否为空
            if (properties.Length <= 0)
            {
                return jsonString;
            }
            for (int i = 0; i < properties.Length; i++)
            {
                string name = properties[i].Name;
                object value = properties[i].GetValue(JsonListData, null);
                if (properties[i].PropertyType.IsValueType || properties[i].PropertyType.Name.StartsWith("String"))
                {
                    if (properties[i].PropertyType.Name.StartsWith("String") || properties[i].PropertyType.Name.StartsWith("Char"))
                    {
                        jsonString += string.Format($"\"{name}\":\"{StringUnicode(value.ToString())}\"");
                    }
                    else
                    {
                        jsonString += string.Format($"\"{name}\":{value}");
                    }
                    if (i < properties.Length - 1)
                    {
                        jsonString += string.Format(",");
                    }
                }
                else
                {
                    GetProperties_Name(value);
                }
            }
            return jsonString;
        }
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