复制代码 代码如下: public static void CreateExcel(DataSet ds) { string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".xls"; HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + filename); string colHeaders = "", ls_item = "";
//定义表对象与行对象,同时用DataSet对其值进行初始化 DataTable dt = ds.Tables[0]; DataRow[] myRow = dt.Select();//可以类似dt.Select("id>10")之形式达到数据筛选目的 int i = 0; int cl = dt.Columns.Count;
//取得数据表各列标题,各标题之间以\t分割,最后一个列标题后加回车符 for (i = 0; i < cl; i++) { if (i == (cl - 1))//最后一列,加\n { colHeaders += dt.Columns[i].Caption.ToString() + "\n"; } else { colHeaders += dt.Columns[i].Caption.ToString() + "\t"; }
} HttpContext.Current.Response.Write(colHeaders); //向HTTP输出流中写入取得的数据信息
//逐行处理数据 foreach (DataRow row in myRow) { //当前行数据写入HTTP输出流,并且置空ls_item以便下行数据 for (i = 0; i < cl; i++) { if (i == (cl - 1))//最后一列,加\n { ls_item += row[i].ToString() + "\n"; } else { ls_item += row[i].ToString() + "\t"; }
} HttpContext.Current.Response.Write(ls_item); ls_item = "";
} HttpContext.Current.Response.End(); }
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