ASP.NET MVC Excel 导入导出 ASP.NET Web API Excel 下载 C# Excel 导入导出

注意：服务器需要安装office软件

1、Excel导入
提示：未在本地计算机上注册“Microsoft.Jet.OLEDB.4.0”提供程序。
未在本地计算机上注册“Microsoft.ACE.OLEDB.12.0”提供程序。
解决方法如下：
打开IIS管理器 -> 应用程序管理池 -> 选择相应程序的应用池 ->
右键 -> 应用程序池默认设置 -> 常规选项卡 ->
启用32位应用程序设置成 True

上传excel文件代码

public ActionResult EditAction(FormCollection collection)
{try{string filePath = string.Empty;string fileType = string.Empty;HttpPostedFileBase postedFile = Request.Files["fileImage"];#region 上传文件fileType = Path.GetExtension(postedFile.FileName).ToLower();//文件的后缀名(小写)FileUploadResult result = FileHelper.CreatePostedFileToImage(postedFile, @"upload\excel\");if (result != null && result.Code == (int)CodeEnum.Success){filePath = result.Path;}filePath = ConstantParamInfo.PhysicalApplicationPath + filePath;ImportSql(filePath, fileType);#endregion}catch (Exception ex){}return RedirectToAction("Index", "CityManage");
}

读取excel文件数据，插入数据库数据代码

        public bool ImportSql(string excelPath, string fileType){string strCon = string.Empty;if (fileType == ".xls")strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + excelPath + ";Extended Properties='Excel 8.0;HDR=YES;IMEX=1'";elsestrCon = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + excelPath + ";Extended Properties='Excel 12.0;HDR=YES;IMEX=1'";System.Data.OleDb.OleDbConnection Conn = new System.Data.OleDb.OleDbConnection(strCon);string strCom = "SELECT * FROM [Sheet1$]";string strComNew = "SELECT * FROM [Sheet2$]";DataTable dt;DataTable dtNew;try{#region city tableSystem.Data.OleDb.OleDbDataAdapter myCommand = new System.Data.OleDb.OleDbDataAdapter(strCom, strCon);DataSet ds = new DataSet();myCommand.Fill(ds, "[Sheet1$]");dt = ds.Tables[0];if (dt != null){if (cityBiz.DeleteAll()){for (int i = 0; i < dt.Rows.Count; i++){var model = new City{ID = Convert.ToInt32(dt.Rows[i][0].ToString()),ProvincialID = 0,Title = dt.Rows[i][1].ToString(),State = "A"};cityBiz.Add(model);}}}#endregion#region Hospital tableSystem.Data.OleDb.OleDbDataAdapter myCommandNew = new System.Data.OleDb.OleDbDataAdapter(strComNew, strCon);DataSet dsNew = new DataSet();myCommandNew.Fill(dsNew, "[Sheet2$]");dtNew = dsNew.Tables[0];if (dtNew != null){if (hospitalBiz.DeleteAll()){for (int i = 0; i < dtNew.Rows.Count; i++){var model = new Hospital{CityId = Convert.ToInt32(dtNew.Rows[i][0].ToString()),Title = dtNew.Rows[i][1].ToString(),CreateBy = 0};hospitalBiz.Add(model);}}}#endregionreturn true;}catch (Exception ex){logger.Error("ImportSql()" + ex.Message);}return false;}

2、ASP.NET MVC Excel 下载数据导出

        public ActionResult ExportCSV(){try{string Transactions = Request.Form["item"];List<long> arr = new List<long>();string[] strtemp = Transactions.Split(',');foreach (string strs in strtemp){arr.Add(long.Parse(strs));}//List<PaymentMaster> PaymentList = PaymentBusi.GetTransactionDetails(this.CurrentAccount.SiteID, arr.ToArray());List<PaymentMaster> PaymentList = new List<PaymentMaster>();MemoryStream stream = new MemoryStream();StreamWriter writer = new StreamWriter(stream);writer.WriteLine("AccountName,Date,TransactionID,ItemDesc,Amount,TransactionTotal");writer.Flush();for (int i = 0; i < PaymentList.Count; i++){string Summary = string.Empty;string PaymentIDF = string.Empty;string PaymentID = string.Empty;if (PaymentList[i].PaymentItems.Count > 0)Summary = DelQuota(PaymentList[i].PaymentItems[0].Summary);if (PaymentList[i].PaymentID > 0)PaymentIDF = PaymentList[i].PaymentID.ToString();writer.WriteLine(string.Format("{0},{1},{2},{3},{4},{5}",DelQuota(PaymentList[i].AccountName),Convert.ToDateTime(PaymentList[i].CreateDate, GetMDDYYFormat()).ToShortDateString(),PaymentList[i].PaymentID,Summary,"$" + PaymentList[i].PaymentItems[0].Amount.ToString(),""));if (PaymentList[i].PaymentItems.Count > 0){for (int j = 0; j < PaymentList[i].PaymentItems.Count; j++){if (PaymentList[i].PaymentItems[j].PaymentID > 0)PaymentID = PaymentList[i].PaymentItems[j].PaymentID.ToString();if (j != 0){writer.WriteLine(string.Format("{0},{1},{2},{3},{4},{5}","","",PaymentID,DelQuota(PaymentList[i].PaymentItems[j].Summary),"$" + PaymentList[i].PaymentItems[j].Amount.ToString(),""));}}writer.WriteLine(string.Format("{0},{1},{2},{3},{4},{5}","","","","","","$" + PaymentList[i].Amount.ToString()));}writer.Flush();}stream.Position = 0;byte[] buffer = new byte[stream.Length];stream.Read(buffer, 0, buffer.Length);stream.Close();return File(buffer, "text/plain", "PaymentInvoice.csv");}catch (Exception){return View();}}public string DelQuota(string str){string result = str;string[] strQuota = { "~", "!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "`", ";", "'", ",", ".", "/", ":", "/,", "<", ">", "?" };for (int i = 0; i < strQuota.Length; i++){if (result.IndexOf(strQuota[i]) > -1)result = result.Replace(strQuota[i], "");}return result;}public System.Globalization.DateTimeFormatInfo GetMDDYYFormat(){System.Globalization.DateTimeFormatInfo dtFormat = new System.Globalization.DateTimeFormatInfo();dtFormat.ShortDatePattern = "M/dd/yy";return dtFormat;}public class PaymentMaster{public string PaymentMethod { get; set; }public long PaymentID { get; set; }public long AccountID { get; set; }public long ContactID { get; set; }public int Status { get; set; }public long SiteID { get; set; }public long ClientID { get; set; }public string LoginName { get; set; }public string FirstName { get; set; }public string LastName { get; set; }public string Amount { get; set; }public int DetailCount { get; set; }public string Description { get; set; }public System.DateTime ModifyDate { get; set; }public string CreateDate { get; set; }public List<long> RentalIDs { get; set; }public List<PaymentDetail> PaymentItems { get; set; }public List<string> UnitNumbers { get; set; }public string AccountName { get; set; }}public class PaymentDetail{public long DetailID { get; set; }public int DetailType { get; set; }public long PaymentID { get; set; }public long AccountID { get; set; }public long ContactID { get; set; }public long RentalID { get; set; }public int Status { get; set; }public long SiteID { get; set; }public string Summary { get; set; }public string UnitNumber { get; set; }public string UnitSize { get; set; }public int UnitCount { get; set; }public string PaidThruDate { get; set; }//Public Property Dimensions As Stringpublic string Amount { get; set; }public string TransactionNumber { get; set; }public string Description { get; set; }public System.DateTime ModifyDate { get; set; }public System.DateTime CreateDate { get; set; }}

3、ASP.NET Web API Excel 下载数据导出

[Route("api/area/export")]
[HttpGet]
public HttpResponseMessage Export()
{List<sys_area> list = new List<sys_area>();list.Add(new sys_area { code_id = "110000", name = "北京市" });list.Add(new sys_area { code_id = "130000", name = "河北省" });#region excelvar runNum = 0;var workbook = new XSSFWorkbook();var worksheet = workbook.CreateSheet("Sheet1");var workRowHead = worksheet.CreateRow(runNum);workRowHead.CreateCell(0).SetCellValue("编号");workRowHead.CreateCell(1).SetCellValue("省");runNum++;foreach (var item in list){var workRow = worksheet.CreateRow(runNum);workRow.CreateCell(0).SetCellValue(item.code_id);workRow.CreateCell(1).SetCellValue(item.name);runNum++;}using (MemoryStream memoryStream = new MemoryStream()){workbook.Write(memoryStream);var result = new HttpResponseMessage(HttpStatusCode.OK){Content = new ByteArrayContent(memoryStream.ToArray())};result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");result.Content.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment"){FileName = $"地区{DateTime.Now.ToString("yyyyMMddhhmmss")}.xlsx"};return result;}#endregion
}

Html 前端调用

$("#btnExport").click(function () {window.location.href = "http://" + window.location.host +"/Area/Export?code=&name=";
});

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ASP.NET MVC Excel 导入导出 ASP.NET Web API Excel 下载 C# Excel 导入导出

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