Json轉換（一）

CodeAgriculture發表於2013-04-26
JSON
        ///  
        /// List轉成json   
        ///  
        ///  
        ///  
        ///  
        ///  
        public static string ListToJson(IList list, string jsonName, int? p_rowCount)
        {
            StringBuilder Json = new StringBuilder();
            if (string.IsNullOrEmpty(jsonName))
            {
                jsonName = "rows";
            }
            int? count = 0;
            if (p_rowCount == null)
            {
                count = list.Count;
            }
            else
            {
                count = p_rowCount;
            }
            Json.Append("{\"total\":" + count + ",\"" + jsonName + "\":["); //\"totalCount\":" + count + ",
            if (count > 0)
            {
                for (int i = 0; i < list.Count; i++)
                {
                    T bj = Activator.CreateInstance();
                    PropertyInfo[] pi = obj.GetType().GetProperties();
                    Json.Append("{");
                    for (int j = 0; j < pi.Length; j++)
                    {
                        Type type = pi[j].PropertyType;  //.GetValue(list[i], null) ?? string.Empty;
                        object o = pi[j].GetValue(list[i], null) ?? string.Empty;
                        Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(o.ToString(), type));

                        if (j < pi.Length - 1)
                        {
                            Json.Append(",");
                        }
                    }
                    Json.Append("}");
                    if (i < count - 1)
                    {
                        Json.Append(",");
                    }
                }
            }
            Json.Append("]}"); //]}
            return Json.ToString();
        }



        ///
        ///List轉成json(不需要JSONname時使用該方法)
        ///
        ///
        ///
        ///
        public static string ListToJson(List list,string jsonName, int? p_rowCount)
        {
            StringBuilder Json = new StringBuilder();
            
            int? count = 0;
            if (p_rowCount == null)
            {
                count = list.Count;
            }
            else
            {
                count = p_rowCount;
            }
            Json.Append("{\"total\":" + count + ",\"" + jsonName + "\":[");
           // Json.Append("[");
            if (count > 0)
            {
                for (int i = 0; i < list.Count; i++)
                {
                    T bj = Activator.CreateInstance();
                    PropertyInfo[] pi = obj.GetType().GetProperties();
                    Json.Append("{");
                    for (int j = 0; j < pi.Length; j++)
                    {
                        Type type = pi[j].PropertyType;  //.GetValue(list[i], null) ?? string.Empty;
                        object o = pi[j].GetValue(list[i], null) ?? string.Empty;
                        Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(o.ToString(), type));

                        if (j < pi.Length - 1)
                        {
                            Json.Append(",");
                        }
                    }
                    Json.Append("}");
                    if (i < count - 1)
                    {
                        Json.Append(",");
                    }
                }
            }
            Json.Append("]}");
            return Json.ToString();
        }


        ///
        ///List轉成json(不需要JSONname時使用該方法)
        ///
        ///
        ///
        ///
        public static string ListToJson(List list,int? p_rowCount)
        {
            StringBuilder Json = new StringBuilder();

            int? count = 0;
            if (p_rowCount == null)
            {
                count = list.Count;
            }
            else
            {
                count = p_rowCount;
            }
             Json.Append("[");
            if (count > 0)
            {
                for (int i = 0; i < list.Count; i++)
                {
                    T bj = Activator.CreateInstance();
                    PropertyInfo[] pi = obj.GetType().GetProperties();
                    Json.Append("{");
                    for (int j = 0; j < pi.Length; j++)
                    {
                        Type type = pi[j].PropertyType;  //.GetValue(list[i], null) ?? string.Empty;
                        object o = pi[j].GetValue(list[i], null) ?? string.Empty;
                        Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(o.ToString(), type));

                        if (j < pi.Length - 1)
                        {
                            Json.Append(",");
                        }
                    }
                    Json.Append("}");
                    if (i < count - 1)
                    {
                        Json.Append(",");
                    }
                }
            }
            Json.Append("]");
            return Json.ToString();
        }
注：轉換（一二三）位於同一個Static類中

來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/28699126/viewspace-759361/，如需轉載，請註明出處，否則將追究法律責任。

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