JSON轉(zhuǎn)換類（二）--List轉(zhuǎn)換成Json、對(duì)象集合轉(zhuǎn)換Json等

#region List轉(zhuǎn)換成Json        /// <summary>        /// List轉(zhuǎn)換成Json        /// </summary>        public static string ListToJson<T>(IList<T> list)        {            object obj = list[0];            return ListToJson<T>(list, obj.GetType().Name);        }        /// <summary>        /// List轉(zhuǎn)換成Json         /// </summary>        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();        }        #endregion        #region 對(duì)象轉(zhuǎn)換為Json        /// <summary>         /// 對(duì)象轉(zhuǎn)換為Json         /// </summary>         /// <param name="jsonObject">對(duì)象</param>         /// <returns>Json字符串</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 + "}";        }        #endregion        #region 對(duì)象集合轉(zhuǎn)換Json        /// <summary>         /// 對(duì)象集合轉(zhuǎn)換Json         /// </summary>         /// <param name="array">集合對(duì)象</param>         /// <returns>Json字符串</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 + "]";        }        #endregion        #region 普通集合轉(zhuǎn)換Json        /// <summary>         /// 普通集合轉(zhuǎn)換Json         /// </summary>         /// <param name="array">集合對(duì)象</param>         /// <returns>Json字符串</returns>         public static string ToArrayString(IEnumerable array)        {            string jsonString = "[";            foreach (object item in array)            {                jsonString = ToJson(item.ToString()) + ",";            }            jsonString.Remove(jsonString.Length - 1, jsonString.Length);            return jsonString + "]";        }        #endregion        #region  DataSet轉(zhuǎn)換為Json        /// <summary>         /// DataSet轉(zhuǎn)換為Json         /// </summary>         /// <param name="dataSet">DataSet對(duì)象</param>         /// <returns>Json字符串</returns>         public static string ToJson(DataSet dataSet)        {            string jsonString = "{";            foreach (DataTable table in dataSet.Tables)            {                jsonString += "/"" + table.TableName + "/":" + ToJson(table) + ",";            }            jsonString = jsonString.TrimEnd(',');            return jsonString + "}";        }        #endregion        #region Datatable轉(zhuǎn)換為Json        /// <summary>         /// Datatable轉(zhuǎn)換為Json         /// </summary>         /// <param name="table">Datatable對(duì)象</param>         /// <returns>Json字符串</returns>         public static string ToJson(DataTable dt)        {            StringBuilder jsonString = new StringBuilder();            jsonString.Append("[");            DataRowCollection drc = dt.Rows;            for (int i = 0; i < drc.Count; i++)            {                jsonString.Append("{");                for (int j = 0; j < dt.Columns.Count; j++)                {                    string strKey = dt.Columns[j].ColumnName;                    string strValue = drc[i][j].ToString();                    Type type = dt.Columns[j].DataType;                    jsonString.Append("/"" + strKey + "/":");                    strValue = StringFormat(strValue, type);                    if (j < dt.Columns.Count - 1)                    {                        jsonString.Append(strValue + ",");                    }                    else                    {                        jsonString.Append(strValue);                    }                }                jsonString.Append("},");            }            jsonString.Remove(jsonString.Length - 1, 1);            jsonString.Append("]");            return jsonString.ToString();        }        /// <summary>        /// DataTable轉(zhuǎn)換為Json         /// </summary>        public static string ToJson(DataTable dt, string jsonName)        {            StringBuilder Json = new StringBuilder();            if (string.IsNullOrEmpty(jsonName)) jsonName = dt.TableName;            Json.Append("{/"" + jsonName + "/":[");            if (dt.Rows.Count > 0)            {                for (int i = 0; i < dt.Rows.Count; i++)                {                    Json.Append("{");                    for (int j = 0; j < dt.Columns.Count; j++)                    {                        Type type = dt.Rows[i][j].GetType();                        Json.Append("/"" + dt.Columns[j].ColumnName.ToString() + "/":" + StringFormat(dt.Rows[i][j].ToString(), type));                        if (j < dt.Columns.Count - 1)                        {                            Json.Append(",");                        }                    }                    Json.Append("}");                    if (i < dt.Rows.Count - 1)                    {                        Json.Append(",");                    }                }            }            Json.Append("]}");            return Json.ToString();        }        #endregion        #region DataReader轉(zhuǎn)換為Json        /// <summary>         /// DataReader轉(zhuǎn)換為Json         /// </summary>         /// <param name="dataReader">DataReader對(duì)象</param>         /// <returns>Json字符串</returns>         public static string ToJson(DbDataReader dataReader)        {            StringBuilder jsonString = new StringBuilder();            jsonString.Append("[");            while (dataReader.Read())            {                jsonString.Append("{");                for (int i = 0; i < dataReader.FieldCount; i++)                {                    Type type = dataReader.GetFieldType(i);