C#操作Excel 调用Excel模板导出(一)

1.通过调用Excel模板，替换替换其中要替换的单无格。

下面直接看代码。

 

代码

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Web;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.IO;
using  System.Reflection;
using  Excel  =  Microsoft.Office.Interop.Excel;

namespace  WebApplication1
{
     public   partial   class  _Default : System.Web.UI.Page
    {
         protected   void  Page_Load( object  sender, EventArgs e)
        {

        }

         protected   void  Button1_Click( object  sender, EventArgs e)
        {
             // 生成一个新的文件名用全球唯一标识符 (GUID)来标识
             string  newpath  =  Server.MapPath( " . " )  +   @" \Excel\ "   +  Guid.NewGuid()  +   " .xls " ;
             // 调用的模板文件
            FileInfo mode  =   new  FileInfo(Server.MapPath( " ~/1.xls " ));
            Excel.Application app  =   new  Excel.Application();
             if  (app  ==   null )
            {
                 return ;
            }
            app.Application.DisplayAlerts  =   false ;
            app.Visible  =   false ;

             if  (mode.Exists)
            {
                Excel.Workbook tworkbook;
                Object missing  =  System.Reflection.Missing.Value;

                app.Workbooks.Add(missing);
                 // 调用模板
                tworkbook  =  app.Workbooks.Open(mode.FullName, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
                Excel.Worksheet tworksheet  =  (Excel.Worksheet)tworkbook.Sheets[ 2 ];
                tworksheet.Cells[ 6 ,  2 ]  =   " 测试 " ;
                tworksheet.Cells[ 8 ,  2 ]  =   " 测试 " ;
                tworksheet.SaveAs(newpath, missing, missing, missing, missing, missing, missing, missing, missing, missing);

                tworkbook.Close( false , mode.FullName, missing);
                app.Workbooks.Close();
                app.Quit();
                 if  (app  !=   null )
                {
                     foreach  (System.Diagnostics.Process p  in  System.Diagnostics.Process.GetProcessesByName( " Excel " ))
                    {
                         // 先判断当前进程是否是excel   
                         if  ( ! p.CloseMainWindow())
                        {
                            p.Kill();
                        }
                    }
                }
                tworkbook  =   null ;
                app  =   null ;
                 // 强制对所有代进行垃圾回收
                GC.Collect();
            }
             // 打开保存对话框
            Response.Clear();
            Response.ClearHeaders();
            Response.Buffer  =   false ;
            Response.Charset  =   " UTF-8 " ;
            Response.ContentType  =   " application/ms-excel " ;
            Response.AppendHeader( " Content-Disposition " ,  " attachment;filename= "   +  Server.UrlEncode(mode.Name));
            Response.ContentEncoding  =  System.Text.Encoding.GetEncoding( " GB2312 " );
            Response.AppendHeader( " Content-Length " , mode.Length.ToString());
            Response.Charset  =   "" ;
             this .EnableViewState  =   false ;
            Response.WriteFile(newpath);
             // 删除创建的Excel文件
             // FileInfo fileinf = new FileInfo(newpath);
             // fileinf.Delete();
             // 关闭连接
            Response.Flush();
            Response.End();
        }
    }
}