学步园

        在做.NET项目时,经常会遇到要导出文件的问题,如将DataGrid中的数据导出到word、excel文件等。

        下面是自己写的一个.net导出文件操作类，现把代码贴出来，以供参考，如有不当之处望予指正！

.net导出文件操作类
  1using System;
  2using System.Web;
  3namespace FLX.ComplexQuery
  4{
  5    /**//// <summary>
  6    /// 彭建军
  7    /// 导出报表数据存入word或execl文件
  8    /// 2008-06-19
  9    /// </summary>
 10    public class ExportData
 11    {
 12        构造函数#region 构造函数
 13        public ExportData()
 14        {
 15            //
 16            // TODO: 在此处添加构造函数逻辑
 17            //
 18        }
 19        #endregion
 20
 21        导出页面或web控件方法#region 导出页面或web控件方法
 22        /**//// <summary>
 23        /// 将Web控件或页面信息导出(不带文件名参数)
 24        /// </summary>
 25        /// <param name="source">控件实例</param>        
 26        /// <param name="DocumentType">导出类型:Excel或Word</param>
 27        public void ExportControl(System.Web.UI.Control source, string DocumentType)
 28        {
 29            //设置Http的头信息,编码格式
 30            if (DocumentType == "Excel")
 31            {
 32                //Excel            
 33                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode("下载文件.xls",System.Text.Encoding.UTF8));
 34                HttpContext.Current.Response.ContentType = "application/ms-excel";
 35            }
 36
 37            else if (DocumentType == "Word")
 38            {
 39                //Word
 40                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode("下载文件.doc",System.Text.Encoding.UTF8));
 41                HttpContext.Current.Response.ContentType = "application/ms-word";
 42            }
 43
 44            HttpContext.Current.Response.Charset = "UTF-8";   
 45            HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8; 
 46
 47            //关闭控件的视图状态
 48            source.Page.EnableViewState =false;    
 49
 50            //初始化HtmlWriter
 51            System.IO.StringWriter writer = new System.IO.StringWriter() ;
 52            System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);
 53            source.RenderControl(htmlWriter); 
 54
 55            //输出
 56            HttpContext.Current.Response.Write(writer.ToString());
 57            HttpContext.Current.Response.End();
 58        }
 59
 60        /**//// <summary>
 61        /// 将Web控件或页面信息导出(带文件名参数)
 62        /// </summary>
 63        /// <param name="source">控件实例</param>        
 64        /// <param name="DocumentType">导出类型:Excel或Word</param>
 65        /// <param name="filename">保存文件名</param>
 66        public void ExportControl(System.Web.UI.Control source, string DocumentType, string filename)
 67        {
 68            //设置Http的头信息,编码格式
 69            if (DocumentType == "Excel")
 70            {
 71                //Excel            
 72                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode(filename+".xls",System.Text.Encoding.UTF8));
 73                HttpContext.Current.Response.ContentType = "application/ms-excel";            
 74            }
 75
 76            else if (DocumentType == "Word")
 77            {
 78                //Word
 79                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode(filename+".doc",System.Text.Encoding.UTF8));
 80                HttpContext.Current.Response.ContentType = "application/ms-word";
 81            }
 82
 83            HttpContext.Current.Response.Charset = "UTF-8";   
 84            HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8; 
 85
 86            //关闭控件的视图状态
 87            source.Page.EnableViewState =false;    
 88
 89            //初始化HtmlWriter
 90            System.IO.StringWriter writer = new System.IO.StringWriter() ;
 91            System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);
 92            source.RenderControl(htmlWriter); 
 93
 94            //输出
 95            HttpContext.Current.Response.Write(writer.ToString());
 96            HttpContext.Current.Response.End();
 97        }
 98        #endregion
 99
100        调用说明#region 调用说明
101        //方法ExportControl(System.Web.UI.Control source, string DocumentType,string filename)中
102        //第一个参数source表示导出的页面或控件名,当为datagrid或dataList控件时，在导出Excel/word文件时，必须把控件的分页、排序等属性去除并重新绑定，
103        //第二个参数DocumentType表示导出的文件类型word或excel
104        //第三个参数filename表示需要导出的文件所取的文件名
105        //调用方法：
106        //ExportData export=new ExportData();
107        //export.ExportControl(this, "Word","testfilename");//当为this时表示当前页面
108        //这是将整个页面导出为Word,并命名为testfilename
109        #endregion
110    }
111}
112

    
    说明一下，类中的HttpContext.Current.Response.ContentType表示要导出文件的类型，
    下面是对Response.ContentType类型的汇总
    

Response.ContentType类型汇总
在ASP.NET中使用Response.ContentType="类型名";来确定输出格式 
'ez' => 'application/andrew-inset',  
'hqx' => 'application/mac-binhex40',  
'cpt' => 'application/mac-compactpro',  
'doc' => 'application/msword',  
'bin' => 'application/octet-stream',  
'dms' => 'application/octet-stream',  
'lha' => 'application/octet-stream',  
'lzh' => 'application/octet-stream',  
'exe' => 'application/octet-stream',  
'class' => 'application/octet-stream',  
'so' => 'application/octet-stream',  
'dll' => 'application/octet-stream',  
'oda' => 'application/oda',  
'pdf' => 'application/pdf',  
'ai' => 'application/postscript',  
'eps' => 'application/postscript',  
'ps' => 'application/postscript',  
'smi' => 'application/smil',  
'smil' => 'application/smil',  
'mif' => 'application/vnd.mif',  
'xls' => 'application/vnd.ms-excel',  
'ppt' => 'application/vnd.ms-powerpoint',  
'wbxml' => 'application/vnd.wap.wbxml',  
'wmlc' => 'application/vnd.wap.wmlc',  
'wmlsc' => 'application/vnd.wap.wmlscriptc',  
'bcpio' => 'application/x-bcpio',  
'vcd' => 'application/x-cdlink',  
'pgn' => 'application/x-chess-pgn',  
'cpio' => 'application/x-cpio',  
'csh' => 'application/x-csh',  
'dcr' => 'application/x-director',  
'dir' => 'application/x-director',  
'dxr' => 'application/x-director',  
'dvi' => 'application/x-dvi',  
'spl' => 'application/x-futuresplash',  
'gtar' => 'application/x-gtar',  
'hdf' => 'application/x-hdf',  
'js' => 'application/x-javascript',  
'skp' => 'application/x-koan',  
'skd' => 'application/x-koan',  
'skt' => 'application/x-koan',  
'skm' => 'application/x-koan',  
'latex' => 'application/x-latex',  
'nc' => 'application/x-netcdf',  
'cdf' => 'application/x-netcdf',  
'sh' => 'application/x-sh',  
'shar' => 'application/x-shar',  
'swf' => 'application/x-shockwave-flash',  
'sit' => 'application/x-stuffit',  
'sv4cpio' => 'application/x-sv4cpio',  
'sv4crc' => 'application/x-sv4crc',  
'tar' => 'application/x-tar',  
'tcl' => 'application/x-tcl',  
'tex' => 'application/x-tex',  
'texinfo' => 'application/x-texinfo',  
'texi' => 'application/x-texinfo',  
't' => 'application/x-troff',  
'tr' => 'application/x-troff',  
'roff' => 'application/x-troff',  
'man' => 'application/x-troff-man',  
'me' => 'application/x-troff-me',  
'ms' => 'application/x-troff-ms',  
'ustar' => 'application/x-ustar',  
'src' => 'application/x-wais-source',  
'xhtml' => 'application/xhtml+xml',  
'xht' => 'application/xhtml+xml',  
'zip' => 'application/zip',  
'au' => 'audio/basic',  
'snd' => 'audio/basic',  
'mid' => 'audio/midi',  
'midi' => 'audio/midi',  
'kar' => 'audio/midi',  
'mpga' => 'audio/mpeg',  
'mp2' => 'audio/mpeg',  
'mp3' => 'audio/mpeg',  
'aif' => 'audio/x-aiff',  
'aiff' => 'audio/x-aiff',  
'aifc' => 'audio/x-aiff',  
'm3u' => 'audio/x-mpegurl',  
'ram' => 'audio/x-pn-realaudio',  
'rm' => 'audio/x-pn-realaudio',  
'rpm' => 'audio/x-pn-realaudio-plugin',  
'ra' => 'audio/x-realaudio',  
'wav' => 'audio/x-wav',  
'pdb' => 'chemical/x-pdb',  
'xyz' => 'chemical/x-xyz',  
'bmp' => 'image/bmp',  
'gif' => 'image/gif',  
'ief' => 'image/ief',  
'jpeg' => 'image/jpeg',  
'jpg' => 'image/jpeg',  
'jpe' => 'image/jpeg',  
'png' => 'image/png',  
'tiff' => 'image/tiff',  
'tif' => 'image/tiff',  
'djvu' => 'image/vnd.djvu',  
'djv' => 'image/vnd.djvu',  
'wbmp' => 'image/vnd.wap.wbmp',  
'ras' => 'image/x-cmu-raster',  
'pnm' => 'image/x-portable-anymap',  
'pbm' => 'image/x-portable-bitmap',  
'pgm' => 'image/x-portable-graymap',  
'ppm' => 'image/x-portable-pixmap',  
'rgb' => 'image/x-rgb',  
'xbm' => 'image/x-xbitmap',  
'xpm' => 'image/x-xpixmap',  
'xwd' => 'image/x-xwindowdump',  
'igs' => 'model/iges',  
'iges' => 'model/iges',  
'msh' => 'model/mesh',  
'mesh' => 'model/mesh',  
'silo' => 'model/mesh',  
'wrl' => 'model/vrml',  
'vrml' => 'model/vrml',  
'css' => 'text/css',  
'html' => 'text/html',  
'htm' => 'text/html',  
'asc' => 'text/plain',  
'txt' => 'text/plain',  
'rtx' => 'text/richtext',