C#导入EXCEL
using System;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb ;
using System.Windows.Forms;
using System.Text;
using System.IO;
using System.Reflection;
/*SQL server 2000中的电话记录以及信息发布记录打入数据导入excel文件*/
public class IntroduceExcel:System.Windows.Forms.Form
{
public IntroduceExcel ( )
{
DateTime today = System.DateTime.Today;//获取当前时间
if (today.Day==DateTime.DaysInMonth(today.Year,today.Month))
{//如果并非月底，不执行导入
return;
}
else//否则执行导入
if (MessageBox.Show( "点击确定开始导入，点击否可日后手动导入\n ", "月末电话记录，信息发布记录导入Excel程序自动开启", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.No)
{
return; }//if
else
{
GetConnect ( "CallRecord") ; //打开数据链接，开启导入函数
GetConnect ( "PubInfRecord") ;
DeleteRecord( "CallRecord");//清空本月的数据
DeleteRecord( "PubInfRecord");
}//else
}
/*exel文件导入函数*/
private void GetConnect (string origin)
{
SqlConnection con=creCon();//创建一个SQL 2000数据库链接
con.Open();
string sql= "select * from "+origin+" order by NetId"; //查询数据库
SqlDataAdapter sa=new SqlDataAdapter(sql,con);
DataSet ds=new DataSet();
sa.Fill(ds,origin); //填充数据
try
{
Excel.Application excel = new Excel.Application ( ) ; //开启excel
excel.Application.Workbooks.Add ( true );
Excel.Sheets ExcelSheets = excel.Worksheets; //建立一个新的工作表
excel.Cells[ 1 , 1 ] = "NetId（网号）";
excel.Cells[ 1, 2 ] = "MemId(成员号)";
excel.Cells[ 1 , 3 ] = "CurCallNum(当前打入电话)";
excel.Cells[ 1 , 4 ] = "CompanyName（公司名）";
excel.Cells[ 1 , 5 ] = "UpWorker（坐席人员）";
excel.Cells[ 1 , 6 ] = "SumNumber（本月次数统计）";
object missing=Missing.Value;
excel.Visible =true ; //excel文件可见
int RoLength=ds.Tables[0].Rows.Count; //行数
int i;
for (i=0;i <RoLength;i++)
{
/*从数据库中取出电话相关信息*/
string NetId=ds.Tables[0].Rows[i][0].ToString();
string MemId=ds.Tables[0].Rows[i][1].ToString();
string CallNumber=ds.Tables[0].Rows[i][2].ToString();
string CompanyName=ds.Tables[0].Rows[i][3].ToString();
string Worker=ds.Tables[0].Rows[i][4].ToString();
string Number=ds.Tables[0].Rows[i][5].ToString();
/*填充到excel的工作表中*/
excel.Cells[ i+1 , 1 ] =NetId;
excel.Cells[ i+1, 2 ] =MemId;
excel.Cells[ i+1 , 3 ] =CallNumber;
excel.Cells[ i+1 , 4 ] =CompanyName;
excel.Cells[ i+1 , 5 ] =Worker;
excel.Cells[ i+1 , 6 ] =Number;
}//for
con.Close();//关闭此数据链接
/*文件保存对话框，文件保存采用了一个file自定义类*/
SaveFileDialog saveFileDialog=new SaveFileDialog();
saveFileDialog.Filter= "Excel files(*.xls)|*.xls|All files(*.*)|*.*" ;
if(origin=="CallRecord")
{
saveFileDialog.Title="月末电话数据导入Excel";
}
else saveFileDialog.Title="月末信息发布数据导入Excel";
saveFileDialog.FilterIndex=1;
saveFileDialog.RestoreDirectory=true;
if(saveFileDialog.ShowDialog()==DialogResult.OK)
{
string fName=saveFileDialog.FileName;
File fSaveAs=new File(fName);
fSaveAs.WriteFile(fName);
}//if()
excel.Workbooks.Close();
excel.Quit();//关闭excel 程序
}//try
catch(System.Exception e)
{
System.Console.WriteLine("something wrong happened about excel excution or dababase operation ",e);
}
}//connect
/*清空当前表内容*/
private void DeleteRecord(string record)
{
SqlConnection connection=creCon();
connection.Open();
string DeleteString= "delete from "+record;
SqlCommand deleteCommand=new SqlCommand(DeleteString,connection);
deleteCommand.ExecuteNonQuery();
connection.Close();
}
/*数据库连接函数*/
public static SqlConnection creCon()
{
string sql= "server=127.0.0.1;uid=sa;pwd=;database=zhaoxia";
SqlConnection con=new SqlConnection (sql);
return con;
}
/*主函数*/
static void Main ( )
{
new IntroduceExcel ( ) ;
}
/*文件操作类定义*/
public class File
{
string fileName;
public File(string fileName)
{
this.fileName=fileName;
}
public string ReadFile()
{
try
{
StreamReader sr=new StreamReader(fileName,Encoding.Default);
string result=sr.ReadToEnd();
sr.Close();
return result;
}
catch(Exception e){MessageBox.Show(e.Message);}
return null;
}
public void WriteFile(string str)
{
try
{
StreamWriter sw=new StreamWriter(fileName,false,Encoding.Default);
sw.Write(str);
sw.Close();
}
catch(Exception e){MessageBox.Show(e.Message, "保存文件出错！");}
}
}//file类
}
