Json转行DataTable

　　　　　/// <summary>
        /// {table:[{column1:1,column2:2,column3:3},{column1:1,column2:2,column3:3}]}  
        /// </summary>  
        /// <param name="strJson">Json字符串</param>  
        /// <returns></returns>
        public static  DataTable JsonToDataTable(string strJson)  
        {  
            //取出表名  
            Regex 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)  
                    {  
                        DataColumn dc = new DataColumn();  
                        string[] strCell = str.Split(':');  
                        dc.ColumnName = strCell[0].ToString();  
                        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;  
        }