Excel信息导入-优快云博客

本文介绍了一种使用ASP.NET从Excel文件中读取数据并将其导入数据库的方法。具体步骤包括：解析文件路径、名称和扩展名；保存文件；连接到Excel文件作为数据源；使用OleDbDataAdapter填充DataSet；最后进行数据验证和处理。

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string XLS_Path="";
        string fileExtName = "";
        string XLS_Name = "";
        if (File1.PostedFile.ContentLength > 0)
        {

            XLS_Path = File1.PostedFile.FileName;
            XLS_Name = XLS_Path.Substring(File1.PostedFile.FileName.LastIndexOf("//")).Replace("//", "").Replace(XLS_Path.Substring(File1.PostedFile.FileName.LastIndexOf(".")), "");
            fileExtName = File1.PostedFile.FileName.Substring(File1.PostedFile.FileName.LastIndexOf("."));

            string fullName = Server.MapPath("../Employee/FJ/") + XLS_Name + fileExtName;
            string originalCategory = fullName.Substring(0, fullName.LastIndexOf(@"/"));
            if (!Directory.Exists(originalCategory))
            {
                Directory.CreateDirectory(originalCategory);
            }

File1.PostedFile.SaveAs(Server.MapPath("../Employee/FJ/") + XLS_Name + fileExtName);
XLS_Path = Server.MapPath("../Employee/FJ/") + XLS_Name + fileExtName;

            string ConStr = System.Configuration.ConfigurationManager.AppSettings["ConnString"];
            SqlConnection Conn = new SqlConnection(ConStr);
            string mystring = "Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " + XLS_Path + ";Extended Properties=Excel 8.0";
            OleDbConnection cnnxls = new OleDbConnection(mystring);
            OleDbDataAdapter myDa = new OleDbDataAdapter("select * from [" + XLS_Name + "$]", cnnxls);//Sheet1
            DataSet myDs = new DataSet();
            try
            {
                myDa.Fill(myDs);
            }
            catch
            {
                Response.Write("<script language=javascript>alert('数据导入失败,请检查Excel文档！');</script>");
                return;
            }

HttpContext.Current.Session["Ds"] = myDs;

File.Delete(XLS_Path);

            if (myDs.Tables[0].Rows.Count <= 0)
            {
                Response.Write("<script language=javascript>alert('文件中可能没有数据，请检查后重新导入！');</script>");
                return;
            }
            else
            {
                for (int i = 0; i < myDs.Tables[0].Rows.Count; i++)
                {
                    //数据操作
                    model.XM = myDs.Tables[0].Rows[i]["姓名"].ToString().Trim();
                    //... ...
                }
                JScript.Alert("人员信息导入成功");
            }
        }
        else
        {
            Response.Write("<script language=javascript>alert('请选择文件后再上传！！！');</script>");
            return;
        }