从Excel文件中读取内容

　　　　　　 global::System.Web.HttpPostedFileBase file = Request.Files["txtFile"];
            string FileName;
            string savePath;
            if (file == null || file.ContentLength <= 0)
            {
                ViewBag.error = "文件不能为空";
                return View();
            }
            else
            {
                string filename = global::System.IO.Path.GetFileName(file.FileName);
                int filesize = file.ContentLength; //获取上传文件的大小单位为字节byte
                string fileEx = global::System.IO.Path.GetExtension(filename); //获取上传文件的扩展名
                string NoFileName = global::System.IO.Path.GetFileNameWithoutExtension(filename); //获取无扩展名的文件名
                int Maxsize = 4000*1024; //定义上传文件的最大空间大小为4M
                string FileType = ".xls,.xlsx"; //定义上传文件的类型字符串

                FileName = NoFileName + global::System.DateTime.Now.ToString("yyyyMMddhhmmss") + fileEx;
                if (!FileType.Contains(fileEx))
                {
                    ViewBag.error = "文件类型不对，只能导入xls和xlsx格式的文件";
                    return View();
                }
                if (filesize >= Maxsize)
                {
                    ViewBag.error = "上传文件超过4M，不能上传";
                    return View();
                }
                string path = global::System.AppDomain.CurrentDomain.BaseDirectory + "Download/excel/";//路径
                savePath = global::System.IO.Path.Combine(path, FileName);
                file.SaveAs(savePath);
            }

            string strConn;
            strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + savePath + ";" + "Extended Properties=Excel 8.0";
            var conn = new global::System.Data.OleDb.OleDbConnection(strConn);
            conn.Open();
            var myCommand = new global::System.Data.OleDb.OleDbDataAdapter("select * from [Sheet1$]", strConn);//查找表名为Sheet1表内的值
            var myDataSet = new global::System.Data.DataSet();
            try
            {
                myCommand.Fill(myDataSet, "ExcelInfo");
            }
            catch (global::System.Exception ex)
            {
                ViewBag.error = ex.Message;
                return View();
            }
            var table = myDataSet.Tables["ExcelInfo"].DefaultView.ToTable();
            var pBll = new PersonnelBLL();
            var msg = string.Empty;

            for (int i = 0; i < table.Rows.Count; i++)
            {
                var perModel = new Personnel();
                perModel.RjPerId = table.Rows[i][0].ToString();//第一列
                perModel.LoginName = table.Rows[i][1].ToString();
                perModel.Name = table.Rows[i][1].ToString();
                perModel.Gender = table.Rows[i][4].ToString().Equals("男") ? 0 : 1;
                perModel.Positional = table.Rows[i][5].ToString();
                perModel.Birthday = string.IsNullOrEmpty(table.Rows[i][7].ToString().Trim())
                    ? DateTime.Now.ToString()
                    : table.Rows[i][7].ToString().Trim();
                perModel.IDCard = table.Rows[i][8].ToString();
                perModel.Mobile = table.Rows[i][10].ToString();
                perModel.Status = table.Rows[i][11].ToString().Equals("有效") ? 0 : 1;
                perModel.Password = null;
                perModel.Sort = 100+i;
                perModel.AddTime = DateTime.Now;
                perModel.ID = null;
                perModel.Description = "数据导入";
                perModel.DepartmentID = "";
                var returnNum = pBll.Insert(perModel, new string[] {"9a0e6c1860aa4b22a57fb847b87fcaf7"});
　　　　　　　　　}