利用npoi導出數據庫內容到excel表格

創建一個html頁面，僅有一個鏈接即可<a href="users.ashx">下載用戶列表</a>

users.ashx.cs的主要代碼如下：

context.Response.ContentType = "application/x-excel"; string filename = HttpUtility.UrlEncode("用戶信息表.xls");//增加報文頭使其爲附件形式 context.Response.AddHeader("Content-Disposition", "attachment;filename=" + filename); HSSFWorkbook workbook = new HSSFWorkbook();//創建一個xls文件 HSSFSheet sheet = workbook.CreateSheet("用戶表");//創建一個名爲“用戶表”的sheet HSSFRow row_title = sheet.CreateRow(0);//添加表頭 row_title.CreateCell(0, HSSFCell.CELL_TYPE_STRING).SetCellValue("用戶名"); row_title.CreateCell(1, HSSFCell.CELL_TYPE_STRING).SetCellValue("密碼"); using (SqlConnection conn = new SqlConnection(@"Data Source=./SQLEXPRESS;AttachDbFilename=|DataDirectory|/Users.mdf;Integrated Security=True;User Instance=True")) { conn.Open(); using (IDbCommand cmd = conn.CreateCommand()) { cmd.CommandText="select * from T_user"; using (IDataReader reader = cmd.ExecuteReader()) { int i = 1; while (reader.Read()) { string userName = reader.GetString(reader.GetOrdinal("userName")); string passWord = reader.GetString(reader.GetOrdinal("PassWord")); HSSFRow row = sheet.CreateRow(i);//創建行，以下兩行是創建單元格並賦值 row.CreateCell(0, HSSFCell.CELL_TYPE_STRING).SetCellValue(userName); row.CreateCell(1, HSSFCell.CELL_TYPE_STRING).SetCellValue(passWord); i++; } workbook.Write(context.Response.OutputStream);//輸出流 } } }