/// <summary>

        /// 将json转换为DataTable

        /// </summary>

        /// <param name="strJson">得到的json</param>

        /// <returns></returns>

        private DataTable JsonToDataTable(string strJson)

        {

            //转换json格式

            strJson = strJson.Replace(",\"", "*\"").Replace("\":", "\"#").ToString();

            //取出表名

            var rg = new Regex(@"(?<={)[^:]+(?=:\[)", RegexOptions.IgnoreCase);

            string strName = rg.Match(strJson).Value;

            DataTable tb = null;

            //去除表名

            strJson = strJson.Substring(strJson.IndexOf("[") + 1);

            strJson = strJson.Substring(0, strJson.IndexOf("]"));

            //获取数据

            rg = new Regex(@"(?<={)[^}]+(?=})");

            MatchCollection mc = rg.Matches(strJson);

            for (int i = 0; i < mc.Count; i++)

            {

                string strRow = mc[i].Value;

                string[] strRows = strRow.Split('*');

                //创建表

                if (tb == null)

                {

                    tb = new DataTable();

                    tb.TableName = strName;

                    foreach (string str in strRows)

                    {

                        var dc = new DataColumn();

                        string[] strCell = str.Split('#');

                        if (strCell[0].Substring(0, 1) == "\"")

                        {

                            int a = strCell[0].Length;

                            dc.ColumnName = strCell[0].Substring(1, a - 2);

                        }

                        else

                        {

                            dc.ColumnName = strCell[0];

                        }

                        tb.Columns.Add(dc);

                    }

                    tb.AcceptChanges();

                }

                //增加内容

                DataRow dr = tb.NewRow();

                for (int r = 0; r < strRows.Length; r++)

                {

                    dr[r] = strRows[r].Split('#')[1].Trim().Replace("，", ",").Replace("：", ":").Replace("\"", "");

                }

                tb.Rows.Add(dr);

                tb.AcceptChanges();

            }

            return tb;

        }