/// <summary> /// 将json转换为DataTable /// </summary> /// <param name="strJson">得到的json</param> /// <returns></returns> private System.Data.DataTable JsonToDataTable(string strJson) { //转换json格式 strJson = strJson.Replace(",\"", "*\"").Replace("\":", "\"#").ToString(); //取出表名 var rg = new System.Text.RegularExpressions.Regex(@"(?<={)[^:]+(?=:\[)", System.Text.RegularExpressions.RegexOptions.IgnoreCase); string strName = rg.Match(strJson).Value; System.Data.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 System.Text.RegularExpressions.Regex(@"(?<={)[^}]+(?=})"); System.Text.RegularExpressions.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 System.Data.DataTable(); TableName = strName; foreach (string str in strRows) { var dc = new System.Data.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 System.Data.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; }
转载于:https://www.cnblogs.com/fengmingming/p/6088073.html
相关资源:C#将json格式转换成DataTable实例