{
public ExportExcel()
{
} private static void GetXslFile(DataSet ds,string xslPath) { string strColumn = ""; string strRow = ""; string dsName = ds.DataSetName; string tableName = ds.Tables[0].TableName; string header = dsName + "/" + tableName; foreach(DataColumn clm in ds.Tables[0].Columns) { //特殊字符 <,>,",*,%,(,),& 替换 //************************************************* //************************************************* // 符号 xml下的值 excel中的值 // < -------- _x003C_ ------ < // > -------- _x003E_ ------ > // " -------- _x0022_ ------ " // * -------- _x002A_ ------ * // % -------- _x0025_ ------ % // & -------- _x0026_ ------ & // ( -------- _x0028_ ------ ( // ) -------- _x0029_ ------ ) // = -------- _x003D_ ------ = //************************************************* //************************************************* string strClmName = clm.ColumnName; string strRowName = clm.ColumnName; if(strClmName.IndexOf("&")!=-1) { strClmName = strClmName.Replace("&","&"); } if(strClmName.IndexOf("<")!=-1) { strClmName = strClmName.Replace("<","<"); } if(strClmName.IndexOf(">")!=-1) { strClmName=strClmName.Replace(">",">"); } if(strClmName.IndexOf("\"")!=-1) { strClmName=strClmName.Replace("\"","""); } if(strRowName.IndexOf("<")!=-1) { strRowName=strRowName.Replace("<","_x003C_"); } if(strRowName.IndexOf(">")!=-1) { strRowName=strRowName.Replace(">","_x003E_"); } if(strRowName.IndexOf("\"")!=-1) { strRowName=strRowName.Replace("\"","_x0022_"); } if(strRowName.IndexOf("*")!=-1) { strRowName=strRowName.Replace("*","_x002A_"); } if(strRowName.IndexOf("%")!=-1) { strRowName=strRowName.Replace("%","_x0025_"); } if(strRowName.IndexOf("&")!=-1) { strRowName=strRowName.Replace("&","_x0026_"); } if(strRowName.IndexOf("(")!=-1) { strRowName=strRowName.Replace("(","_x0028_"); } if(strRowName.IndexOf(")")!=-1) { strRowName=strRowName.Replace(")","_x0029_"); } if(strRowName.IndexOf("=")!=-1) { strRowName=strRowName.Replace("=","_x003D_"); } strColumn += "<th>" + strClmName +"</th>" + "\r\n"; strRow += "<td>" + "<xsl:value-of select=" + "\"" + strRowName + "\"" +"/>" + "</td>" + "\r\n"; } string str = @"<xsl:stylesheet version=""1.0"" xmlns:xsl=""http://www.w3.org/1999/XSL/Transform""> <xsl:template match=""/""> <html xmlns:o=""urn:schemas-microsoft-com:office:office"" xmlns:x=""urn:schemas-microsoft-com:office:excel"" xmlns=""http://www.w3.org/TR/REC-html40""> <head> <meta http-equiv=""Content-Type"" content=""text/html;charset=utf-8"" /> <style> .xl24{mso-style-parent:style0;mso-number-format:""\@"";text-align:right;} </style> <xml> <x:ExcelWorkbook> <x:ExcelWorksheets> <x:ExcelWorksheet> <x:Name>Sheet1</x:Name> <x:WorksheetOptions> <x:ProtectContents>False</x:ProtectContents> <x:ProtectObjects>False</x:ProtectObjects> <x:ProtectScenarios>False</x:ProtectScenarios> </x:WorksheetOptions> </x:ExcelWorksheet> </x:ExcelWorksheets> </x:ExcelWorkbook> </xml> </head> <body> "; str += "\r\n" + @"<table border=""1"" cellpadding=""0"" cellspacing=""0""><tr>" + "\r\n"; str += strColumn; str += @" </tr><xsl:for-each select="""+header+@"""><tr>"; str += "\r\n" + strRow; str += @"</tr></xsl:for-each></table></body></html></xsl:template></xsl:stylesheet> "; string path =xslPath; if(File.Exists(path)) { File.Delete(path); } FileStream fs = File.Create(path); StreamWriter sw=new StreamWriter(fs); sw.Write(str); sw.Close(); fs.Close(); } private static void GetXmlFile(DataSet ds,string xmlFilePath) { string strXml = ds.GetXml(); if(File.Exists(xmlFilePath)) { File.Delete(xmlFilePath); } FileStream fs1 = File.Create(xmlFilePath); StreamWriter writer = new StreamWriter(fs1); writer.Write(strXml); writer.Close(); fs1.Close(); } private static void BuildExcel(DataSet ds,string path) { if(File.Exists(path)) { File.Delete(path); } string m_path = path.Substring(0,path.Length-4); string m_fileXml = m_path + ".xml"; string m_fileXsl = m_path + ".xsl"; string m_fileXls = m_path + ".xls"; try { GetXmlFile(ds,m_fileXml); GetXslFile(ds,m_fileXsl); //Excel changed XmlDocument doc = new XmlDocument(); doc.Load(m_fileXml); XslTransform xslt = new XslTransform(); xslt.Load(m_fileXsl); XmlElement root = doc.DocumentElement; XPathNavigator nav = root.CreateNavigator(); XmlTextWriter writer = new XmlTextWriter(m_fileXls,null); xslt.Transform(nav,null,writer,null); writer.Close(); File.Delete(m_fileXml); File.Delete(m_fileXsl); } catch { throw; } } public static void ToExcel(System.Web.UI.Control ctl,string FileName) { HttpContext.Current.Response.Charset ="UTF-8"; HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default; HttpContext.Current.Response.ContentType ="application/ms-excel"; HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+""+FileName+".xls"); ctl.Page.EnableViewState =false; System.IO.StringWriter tw = new System.IO.StringWriter(); System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw); ctl.RenderControl(hw); HttpContext.Current.Response.Write(tw.ToString()); HttpContext.Current.Response.End(); } public static void DownloadFile(string physicalFilePath) { FileStream stream=null; try { stream = new FileStream(physicalFilePath, FileMode.Open, FileAccess.Read, FileShare.Read); int bufSize = (int)stream.Length; byte[] buf = new byte[bufSize]; int bytesRead = stream.Read(buf, 0, bufSize); HttpContext.Current.Response.ContentType = "application/octet-stream"; HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename="+System.IO.Path.GetFileName(physicalFilePath)); HttpContext.Current.Response.OutputStream.Write(buf, 0, bytesRead); HttpContext.Current.Response.End(); } finally { stream.Close(); } }
}