/// <summary> /// /// </summary> /// <param name="ds"></param> /// <param name="typeid"></param> /// <param name="FileName"></param> public void CreateExcel(DataSet ds, string typeid, string FileName) { HttpResponse resp; resp = Page.Response; resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); resp.ContentType = "application/ms-excel"; resp.AddHeader("Content-Disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) + ".xls"); this.EnableViewState = false; string colHeaders = "", Is_item = ""; int i = 0; //定义表对象与行对象,同时使用DataSet对其值进行初始化 DataTable dt = ds.Tables[0]; DataRow[] myRow = dt.Select(""); //typeid=="1"时导出为Excel格式文件;typeid=="2"时导出为XML文件 //导出excel 表格文件 if (typeid == "1") { //取得数据表各列标题,标题之间以\t分割,最后一个列标题后加回车符 for (i = 0; i < dt.Columns.Count; i++) { colHeaders += dt.Columns[i].Caption.ToString() + "\t"; } colHeaders += "\n"; resp.Write(colHeaders); //逐行处理数据 foreach (DataRow row in myRow) { //在当前行中,逐列取得数据,数据之间以\t分割,结束时加回车符\n for (i = 0; i < dt.Columns.Count; i++) { if (i == 2) row[i] = string.Format("{0:g}", Convert.ToDateTime(row[i])); Is_item += "" + row[i].ToString() + "\t"; } Is_item += "\n"; resp.Write(Is_item); Is_item = ""; } } else { if (typeid == "2") { //从DataSet中直接导出XML数据并且写到HTTP输出流中 resp.Write(ds.GetXml()); } } //写缓冲区中的数据到HTTP头文件中 resp.End(); }