java上传xls文件

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)  



{  



}  



}