webapi list model 导出excel
public IHttpActionResult GetCFXOListExcel()
{
DataTable dt = C_CardFX.GetCardFXOrderList(DataHelper.connStr, parameters, out PageCount, out recordCount, out totalInCome, out totalPrice);
var list = dt.ToEntity<T_DTO_CardFX.CardFXOrderList>(); list.ForEach(o => { o.statusName = getStatus(o.status); }); #region 生成excel var browser = String.Empty; if (HttpContext.Current.Request.UserAgent != null) { browser = HttpContext.Current.Request.UserAgent.ToUpper(); } HttpResponseMessage httpResponseMessage = new HttpResponseMessage(HttpStatusCode.OK); #region 内容 // Excel列的名称 Dictionary<string, string> cellheader = new Dictionary<string, string> { { "gameName", "游戏" }, { "orderNo", "订单号" }, { "title", "信息" }, { "number", "数量" }, { "price", "价格" }, { "inCome", "提成" }, { "statusName", "状态" }, { "tradeTime", "时间" }, }; var info = EntityListToExcel2003(cellheader, list, "用户信息"); #endregion string fileName = "分销" + DateTime.Now.ToString("yyyyMMddHHmmssfff")+ ".xlsx"; Stream stream = new MemoryStream(info); httpResponseMessage.Content = new StreamContent(stream); httpResponseMessage.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream"); httpResponseMessage.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") { FileName = browser.Contains("FIREFOX") ? Path.GetFileName(fileName) : HttpUtility.UrlEncode(Path.GetFileName(fileName)) }; return ResponseMessage(httpResponseMessage); #endregion
}
同样需要用到npoi 2.0;
/// <summary> /// 实体类集合导出到Excle2003 /// </summary> /// <param name="cellHeard">单元头的Key和Value:{ { "UserName", "姓名" }, { "Age", "年龄" } };</param> /// <param name="enList">数据源</param> /// <param name="sheetName">工作表名称</param> /// <returns>byte[]</returns> [NonAction] public byte[] EntityListToExcel2003(Dictionary<string, string> cellHeard, IList enList, string sheetName) { try { // 2.解析单元格头部,设置单元头的中文名称 HSSFWorkbook workbook = new HSSFWorkbook(); // 工作簿 ISheet sheet = workbook.CreateSheet(sheetName); // 工作表 IRow row = sheet.CreateRow(0); List<string> keys = cellHeard.Keys.ToList(); for (int i = 0; i < keys.Count; i++) { row.CreateCell(i).SetCellValue(cellHeard[keys[i]]); // 列名为Key的值 } // 3.List对象的值赋值到Excel的单元格里 int rowIndex = 1; // 从第二行开始赋值(第一行已设置为单元头) foreach (var en in enList) { IRow rowTmp = sheet.CreateRow(rowIndex); for (int i = 0; i < keys.Count; i++) // 根据指定的属性名称,获取对象指定属性的值 { string cellValue = ""; // 单元格的值 object properotyValue = null; // 属性的值 System.Reflection.PropertyInfo properotyInfo = null; // 属性的信息 // 3.1 若属性头的名称包含'.',就表示是子类里的属性,那么就要遍历子类,eg:UserEn.UserName if (keys[i].IndexOf(".") >= 0) { // 3.1.1 解析子类属性(这里只解析1层子类,多层子类未处理) string[] properotyArray = keys[i].Split(new string[] { "." }, StringSplitOptions.RemoveEmptyEntries); string subClassName = properotyArray[0]; // '.'前面的为子类的名称 string subClassProperotyName = properotyArray[1]; // '.'后面的为子类的属性名称 System.Reflection.PropertyInfo subClassInfo = en.GetType().GetProperty(subClassName); // 获取子类的类型 if (subClassInfo != null) { // 3.1.2 获取子类的实例 var subClassEn = en.GetType().GetProperty(subClassName).GetValue(en, null); // 3.1.3 根据属性名称获取子类里的属性类型 properotyInfo = subClassInfo.PropertyType.GetProperty(subClassProperotyName); if (properotyInfo != null) { properotyValue = properotyInfo.GetValue(subClassEn, null); // 获取子类属性的值 } } } else { // 3.2 若不是子类的属性,直接根据属性名称获取对象对应的属性 properotyInfo = en.GetType().GetProperty(keys[i]); if (properotyInfo != null) { properotyValue = properotyInfo.GetValue(en, null); } } // 3.3 属性值经过转换赋值给单元格值 if (properotyValue != null) { cellValue = properotyValue.ToString(); // 3.3.1 对时间初始值赋值为空 if (cellValue.Trim() == "0001/1/1 0:00:00" || cellValue.Trim() == "0001/1/1 23:59:59") { cellValue = string.Empty; } } // 3.4 填充到Excel的单元格里 rowTmp.CreateCell(i).SetCellValue(cellValue); } rowIndex++; } MemoryStream ms = new MemoryStream(); workbook.Write(ms); byte[] data = ms.ToArray(); return data; } catch (Exception ex) { throw ex; } }