excel数据读取到数据库

using System;

using System.Collections.Generic;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using PublicProject.ENTITY;

using System.Data;

using System.IO;

using System.Data.OleDb;

using PublicProject.BLL;



public partial class 使用Excel读取数据 : System.Web.UI.Page

{

    //集合

    private List<School> schoolList = new List<School>();

    private DataSet dsall = new DataSet();

    private int count = 0;

    private SchoolBll schoolBll = new SchoolBll();

    protected void Page_Load(object sender, EventArgs e)

    {



    }



    //public void ReaderXls()

    //{

    //    string xlsFilePath = @"F:\项目代码\公用架构\PublicProjectSolution\PublicProjectWeb\xls\DateReader.xls";

    //    Excel

    //}

    



    /// <summary>

    /// 单击导入按钮的事件

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void BtnImport_Click1(object sender, EventArgs e)

    {

        string fileName = string.Empty;

        try

        {

           fileName= UpLoadXls(FileExcel);

           ImportXlsToData(fileName);//将XLS文件的数据导入数据库  

           if (fileName != string.Empty && System.IO.File.Exists(fileName))

           {

               System.IO.File.Delete(fileName);//删除上传的XLS文件

           }

           LblMessage.Text = "数据导入成功！";

           this.gvimport.DataSource = schoolList;

           this.gvimport.DataBind();

           this.lbimport.Text = schoolList.Count.ToString();

           int all = Convert.ToInt32(this.lballcount.Text.ToString());

           int import = Convert.ToInt32(this.lbimport.Text.ToString());

           int unimport = all - import;

           if (unimport > count)

           {

               this.lbunimport.Text = "," + unimport.ToString() + "条，由于传输原因未导入到数据库！";

           }

        }

        catch (Exception ex)

        {



            LblMessage.Text=ex.Message;

        }

    }





    /// <summary>

    /// 上传Excel文件

    /// </summary>

    /// <param name="inputfile">上传的控件名</param>

    /// <returns></returns>

    private string UpLoadXls(System.Web.UI.HtmlControls.HtmlInputFile inputfile)

    {

        string orifilename = string.Empty;

        string uploadfilepath = string.Empty;

        string modifyfilename = string.Empty;

        string fileExtend = "";//文件扩展名

        int fileSize = 0;//文件大小

        try

        {

            if (inputfile.Value != string.Empty)

            {

                //得到文件的大小

                fileSize = inputfile.PostedFile.ContentLength;

                if (fileSize == 0)

                {

                    throw new Exception("导入的Excel文件大小为0，请检查是否正确！");

                }

                //得到扩展名

                fileExtend = inputfile.Value.Substring(inputfile.Value.LastIndexOf(".") + 1);

                if (fileExtend.ToLower() != "xls")

                {

                    throw new Exception("你选择的文件格式不正确，只能导入EXCEL文件！");

                }

                //路径

                uploadfilepath = Server.MapPath("~/xls/XlsUpLodes");

                //新文件名

                modifyfilename = System.Guid.NewGuid().ToString();

                modifyfilename += "." + inputfile.Value.Substring(inputfile.Value.LastIndexOf(".") + 1);

                //判断是否有该目录

                System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(uploadfilepath);

                if (!dir.Exists)

                {

                    dir.Create();

                }

                orifilename = uploadfilepath + "\\" + modifyfilename;

                //如果存在,删除文件

                if (File.Exists(orifilename))

                {

                    File.Delete(orifilename);

                }

                // 上传文件

                inputfile.PostedFile.SaveAs(orifilename);

            }

            else

            {

                throw new Exception("请选择要导入的Excel文件!");

            }

        }

        catch (Exception ex)

        {

            throw ex;

        }

        return orifilename;

    }





    /// <summary>

    /// 将上传文件中的数据读取到数据库中

    /// </summary>

    /// <param name="fileName">上传的文件的地址</param>

    private void ImportXlsToData(string fileName)

    {

        try

        {

            if (fileName == string.Empty)

            {

                throw new ArgumentNullException("Excel文件上传失败！");

            }



            string oleDBConnString = String.Empty;

            oleDBConnString = "Provider=Microsoft.Jet.OLEDB.4.0;";

            oleDBConnString += "Data Source=";

            oleDBConnString += fileName;

            oleDBConnString += ";Extended Properties=Excel 8.0;";

            OleDbConnection oleDBConn = null;

            OleDbDataAdapter oleAdMaster = null;

            DataTable m_tableName = new DataTable();

            DataSet ds = new DataSet();



            oleDBConn = new OleDbConnection(oleDBConnString);

            oleDBConn.Open();

            m_tableName = oleDBConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);



            if (m_tableName != null && m_tableName.Rows.Count > 0)

            {



                m_tableName.TableName = m_tableName.Rows[0]["TABLE_NAME"].ToString();



            }

            string sqlMaster;

            sqlMaster = " SELECT *  FROM [" + m_tableName.TableName + "]";

            oleAdMaster = new OleDbDataAdapter(sqlMaster, oleDBConn);

            oleAdMaster.Fill(ds, "m_tableName");

            oleAdMaster.Dispose();

            oleDBConn.Close();

            oleDBConn.Dispose();



            AddDatasetToSQL(ds, 8);

        }

        catch (Exception ex)

        {

            throw ex;

        }

    }











    /// <summary>

    /// 将Dataset的数据导入数据库

    /// </summary>

    /// <param name="pds">数据集</param>

    /// <param name="Cols">数据集列数</param>

    /// <returns></returns>

    private bool AddDatasetToSQL(DataSet pds, int Cols)

    {

        int ic, ir;

        ic = pds.Tables[0].Columns.Count;

        if (pds.Tables[0].Columns.Count < Cols)

        {

            throw new Exception("导入Excel格式错误！Excel只有" + ic.ToString() + "列");

        }

        ir = pds.Tables[0].Rows.Count;

        if (pds != null && pds.Tables[0].Rows.Count > 0)

        {

            for (int i = 0; i < pds.Tables[0].Rows.Count; i++)

            {

                School model = new School();

                string schooolid = pds.Tables[0].Rows[i][3].ToString();



                model.Email = pds.Tables[0].Rows[i][0].ToString();

                model.Pass= pds.Tables[0].Rows[i][1].ToString();

                model.RealName = pds.Tables[0].Rows[i][2].ToString();

                model.School1 = pds.Tables[0].Rows[i][3].ToString();

                model.ColSchool = pds.Tables[0].Rows[i][4].ToString();

                model.SubName = pds.Tables[0].Rows[i][5].ToString();

                model.GradeName = pds.Tables[0].Rows[i][6].ToString();

                model.ClassName = pds.Tables[0].Rows[i][7].ToString();

                //excel的格式：必须是英文列头

                //EMAIL 密码     姓名       学校    学院     专业     年级   班级 

                //email  PASS  REAL_NAME SCHOOL  COL_NAME SUB_NAME GRADE  CLASS

                // 0   1      2        3       4       5        6      7

                schoolBll.Add(model);

                schoolList.Add(model);

            }

            //全部信息

            this.gvgetall.DataSource = schoolList;

            this.gvgetall.DataBind();

            dsall = pds;

            this.lballcount.Text = pds.Tables[0].Rows.Count.ToString();

        }

        else

        {

            throw new Exception("导入数据为空！");

        }

        return true;

    }





    /// <summary>

    /// 插入数据到数据库

    /// </summary>

    //public void Add(ccwu.Model.T_RESUME_INFO model)

    //{

    //    string sql = "select * from T_STUDENT_INFO where email='" + model.EMAIL.ToString() + "'";//根据一个号去查询

    //    DataSet ds = ccwu.DBUtility.DbHelperSQL.Query(sql.ToString());

    //    //  int count = 0;

    //    if (ds.Tables[0].Rows.Count == 0)

    //    {

    //        //insert into PersonRecord

    //        ccwu.DAL.T_STUDENT_INFO dalstudent = new ccwu.DAL.T_STUDENT_INFO();

    //        ccwu.DAL.T_RESUME_INFO dalresume = new ccwu.DAL.T_RESUME_INFO();

    //        ccwu.Model.T_STUDENT_INFO m = new ccwu.Model.T_STUDENT_INFO();

    //        m.EMAIL = model.EMAIL.ToString();

    //        m.PASS = model.pass.ToString();

    //        m.SCHOOL_INFO_ID = Convert.ToInt32(model.SCHOOL_INFO_ID.ToString());

    //        //向学生注册表里

    //        int lastid = dalstudent.Add(m);

    //        model.STUDENT_INFO_ID = lastid;

    //        //向简历表里添加信息

    //        dalresume.AddForAll(model);

    //        list.Add(model);

    //    }

    //    if (ds.Tables[0].Rows.Count > 0)

    //    {

    //        count = count + 1;

    //    }



    //}































    protected void gvgetall_PageIndexChanging(object sender, GridViewPageEventArgs e)

    {



    }

    protected void gvimport_PageIndexChanging(object sender, GridViewPageEventArgs e)

    {



    }

}