C# 将json转换成Datatable

 /// <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();
                    if (str.Contains("#"))
                    {
                        string[] strCell = str.Split('#');

                        if (strCell[0].Substring(0, 1) == "\"")
                        {
                            int a = strCell[0].Length;

                            if(a>2)
                            {
                                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();
            int k = 0;
            for (int r = 0; r < strRows.Length; r++)
            {
                if (strRows[r].Contains("#"))
                {
                    dr[k] = strRows[r].Split('#')[1].Trim().Replace("，", ",").Replace("：", ":").Replace("\"", "");
                }
                else
                {
                    k = r - 1;
                }

                k++;
               
            }
            tb.Rows.Add(dr);
            tb.AcceptChanges();
        }

        return tb;
    }