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asp.net生成Excel并导出下载五种实现方法

2016-07-29 09:17 846 查看
http://www.jb51.net/article/33728.htm

有关Excel下载的文章网上想必有很多,利用闲暇时间整理了一些有Excel下载方法的文章,接下来介绍五种实现Excel下载的方法,感兴趣的朋友可以了解下,或许对你学习Excel下载有所帮助

方法一 通过GridView(简评:方法比较简单,但是只适合生成格式简单的Excel,且无法保留VBA代码),页面无刷新

aspx.cs部分

复制代码代码如下:

using System; 

using System.Collections; 

using System.Configuration; 

using System.Data; 

using System.Web; 

using System.Web.Security; 

using System.Web.UI; 

using System.Web.UI.HtmlControls; 

using System.Web.UI.WebControls; 

using System.Web.UI.WebControls.WebParts; 

using System.Text; 

public partial class DataPage_NationDataShow : System.Web.UI.Page 



private Data_Link link = new Data_Link(); 

private string sql; 

protected void Page_Load(object sender, EventArgs e) 



Ajax.Utility.RegisterTypeForAjax(typeof(DataPage_NationDataShow)); 



protected void btnExcel_Click(object sender, EventArgs e) 



string strExcelName = "MyExcel"; 

strExcelName = strExcelName.Replace(@"/", ""); 

Data_Link link = new Data_Link(); 

string strSQL = this.hidParam.Value; 

DataSet ds = new DataSet(); 

ds = link.D_DataSet_Return(strSQL);//获得想要放入Excel的数据 

gvExcel.Visible = true; 

gvExcel.DataSource = null; 

gvExcel.DataMember = ds.Tables[0].TableName; 

gvExcel.DataSource = ds.Tables[0]; 

gvExcel.DataBind(); 

ExportToExcel(this.Page, gvExcel, strExcelName); 



protected void gvExcel_RowDataBound(object sender, GridViewRowEventArgs e) 

{ } 

public override void VerifyRenderingInServerForm(Control control) 

{ } 

/// <summary> 

/// 工具方法,Excel出力(解决乱码问题) 

/// </summary> 

/// <param name="page">调用页面</param> 

/// <param name="excel">Excel数据</param> 

/// <param name="fileName">文件名</param> 

public void ExportToExcel(System.Web.UI.Page page, GridView excel, string fileName) 



try 



foreach (GridViewRow row in excel.Rows) 



for (int i = 0; i < row.Cells.Count; i++) 



excel.HeaderRow.Cells[i].BackColor = System.Drawing.Color.Yellow; 





excel.Font.Size = 10; 

excel.AlternatingRowStyle.BackColor = System.Drawing.Color.LightCyan; 

excel.RowStyle.Height = 25; 

page.Response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName); 

page.Response.Charset = "utf-8"; 

page.Response.ContentType = "application/vnd.ms-excel"; 

page.Response.Write("<meta http-equiv=Content-Type content=text/html;charset=utf-8>"); 

excel.Page.EnableViewState = false; 

excel.Visible = true; 

excel.HeaderStyle.Reset(); 

excel.AlternatingRowStyle.Reset(); 

System.IO.StringWriter oStringWriter = new System.IO.StringWriter(); 

System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

excel.RenderControl(oHtmlTextWriter); 

page.Response.Write(oStringWriter.ToString()); 

page.Response.End(); 

excel.DataSource = null; 

excel.Visible = false; 



catch (Exception e) 







}

aspx部分
复制代码代码如下:

<head runat="server"> 

<script type="text/javascript"> 

//Excel DownLoad 

function excelExport(){ 

var hidText = document.getElementById("hidParam"); 

hidText.value = "some params"; 

document.getElementById("ExcelOutput").click(); 



</script> 

</head> 

<body onload="pageInit()"> 

<form id="form1" runat="server"> 

<input type="button" value="EXCEL下载" style="width:100px;" onclick="excelExport()" id="excelBut" /> 

<input id="hidParam" type="text" runat="server" style="display:none;"/> 

<asp:Button runat="server" ID="ExcelOutput" style="display:none" Text= "EXCEL出力" Width="0px" onclick="btnExcel_Click" UseSubmitBehavior="false"/> 

<asp:GridView ID="gvExcel" runat="server" Height="95px" OnRowDataBound="gvExcel_RowDataBound" Visible="False"></asp:GridView> 

</form> 

</body>

在刚才的aspx.cs代码中
复制代码代码如下:

foreach (GridViewRow row in excel.Rows) 



for (int i = 0; i < row.Cells.Count; i++) 



excel.HeaderRow.Cells[i].BackColor = System.Drawing.Color.Yellow; 



}

这部分是给表头添加样式。
有时候为了便于浏览,需要给交叉行添加样式,简单点的可以用下面这种:

复制代码代码如下:

excel.AlternatingRowStyle.BackColor = System.Drawing.Color.LightCyan;

但是细看一下会发现它把一整行的样式都改变了,包括后面那些没有用到的列。



解决办法是有,不过比较繁琐,就是修改每个单元格的样式。

复制代码代码如下:

int rowCount = excel.Rows.Count; 

int colCount = excel.HeaderRow.Cells.Count; 

for (int i = 0; i < rowCount; i++) 



for(int j=0;j<colCount; j++) 



excel.Rows[i].Cells[j].BackColor = System.Drawing.Color.LightCyan; 



}

方法二 通过DataGrid(与方法一基本相同),页面无刷新
aspx.cs部分

复制代码代码如下:

public override void VerifyRenderingInServerForm(Control control) 

{} 

/// <summary> 

/// エクセル出力イベント 

/// </summary> 

/// <param name="sender"></param> 

/// <param name="e"></param> 

private void ExcelBut_Click(object sender, System.EventArgs e) 



DataGrid dgExcel = new DataGrid(); 

try 



DataSet ds = getExcelData(this.PageParams.Value);//出力データを取得する 

if(ds.Tables[0].Rows.Count>0) 



//エクセルへデータを投入する 

string execlName= "MyExcel"; 

Encoding encodingType=System.Text.Encoding.UTF8; 

dgExcel.DataMember=ds.Tables[0].TableName; 

dgExcel.DataSource=ds.Tables[0]; 

Response.Buffer = true; 

Response.Charset = "utf-8"; 

Response.AppendHeader("Content-Disposition", "attachment;filename=" + execlName+ ".xls"); 

Response.ContentEncoding = encodingType; 

Response.ContentType = "application/ms-excel"; 

StringWriter oStringWriter = new StringWriter(); 

HtmlTextWriter oHtmlTextWriter = new HtmlTextWriter(oStringWriter); 

dgExcel.DataBind(); 

dgExcel.Visible = true; 

dgExcel.RenderControl(oHtmlTextWriter); 

Response.Write(oStringWriter.ToString()); 

Response.Flush(); 

Response.Close(); 

dgExcel.DataSource = null; 

dgExcel.Visible = false; 



else 



Response.Write("<script>alert('xxxxxx')</script>"); 





catch(Exception ex) 



Response.Write("<script>alert('oooooo')</script>"); 



}

aspx部分
复制代码代码如下:

<head runat="server"> 

<script type="text/javascript"> 

//Excel DownLoad 

function excelExport(){ 

var hidText = document.getElementById("hidParam"); 

hidText.value = "some params"; 

document.getElementById("ExcelOutput").click(); 



</script> 

</head> 

<body onload="pageInit()"> 

<form id="form1" runat="server"> 

<input type="button" value="EXCEL下载" style="width:100px;" onclick="excelExport()" id="excelBut" NAME="excelBut"/> 

<input id="hidParam" type="text" runat="server" style="display:none;" NAME="hidParam"/> 

<asp:Button runat="server" ID="ExcelOutput" style="display:none" Text= "EXCEL出力" Width="0px" onclick="btnExcel_Click" UseSubmitBehavior="false"/> 

<asp:datagrid id="gvExcel" Visible="False" Runat="server" style="Z-INDEX: 107; POSITION: absolute; TOP: 72px; LEFT: 520px" 

Width="80px" Height="40px"></asp:datagrid> 

</form> 

</body>

方法三 以XML形式的Excel方式(可以设置丰富的样式,并可以有多个sheet,但需要模版。速度很快,但生成的文件较大,且无法保留VBA代码)
具体方法:把模版以 XML Document形式另存为A.xml。然后参照A.xml中的内容即可

复制代码代码如下:
 

private void ExcelBut_Click(object sender, System.EventArgs e) 



DataSet ds = new DataSet(); 

string ExcelFileName = ""; 

DataRow dr=[------列名信息-------]; 

try 



ExcelFileName = Path.Combine(Request.PhysicalApplicationPath + "/ExcelFile", "MyExcel.xls"); 

//获取Excel需要的数据 

ds = [------获得数据-------]; 

if (ds.Tables.Count == 0) 



Response.Write("<script type='text/javascript'>alert('无数据');</script>"); 

return; 



int sheetNum = ds.Tables.Count / 2; 

StreamWriter writer = new StreamWriter(ExcelFileName, false); 

//Styles标签前面的信息相当于'头信息',不需要改变 

writer.WriteLine("<?xml version=\"1.0\"?>"); 

writer.WriteLine("<?mso-application progid=\"Excel.Sheet\"?>"); 

writer.WriteLine("<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\""); 

writer.WriteLine("xmlns:o=\"urn:schemas-microsoft-com:office:office\""); 

writer.WriteLine("xmlns:x=\"urn:schemas-microsoft-com:office:excel\""); 

writer.WriteLine("xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\""); 

writer.WriteLine("xmlns:html=\"http://www.w3.org/TR/REC-html40\">"); 

writer.WriteLine("<DocumentProperties xmlns=\"urn:schemas-microsoft-com:office:office\">"); 

writer.WriteLine("<LastAuthor>Automated Report Generator Example</LastAuthor>"); 

writer.WriteLine(string.Format("<Created>{0}T{1}Z</Created>", DateTime.Now.ToString("yyyy-mm-dd"), DateTime.Now.ToString("HH:MM:SS"))); 

writer.WriteLine(" <Company>51aspx.com</Company>"); 

writer.WriteLine(" <Version>11.6408</Version>"); 

writer.WriteLine("</DocumentProperties>"); 

writer.WriteLine("<ExcelWorkbook xmlns=\"urn:schemas-microsoft-com:office:excel\">"); 

writer.WriteLine("<WindowHeight>6195</WindowHeight>"); 

writer.WriteLine(" <WindowWidth>18495</WindowWidth>"); 

writer.WriteLine(" <WindowTopX>525</WindowTopX>"); 

writer.WriteLine(" <WindowTopY>4260</WindowTopY>"); 

writer.WriteLine(" <AcceptLabelsInFormulas/>"); 

writer.WriteLine(" <ProtectStructure>True</ProtectStructure>"); 

writer.WriteLine(" <ProtectWindows>False</ProtectWindows>"); 

writer.WriteLine("</ExcelWorkbook>"); 

//通过 ss:ID 和 ss:Name相当于html中style的类 

writer.WriteLine(" <Styles> "); 

writer.WriteLine(" <Style ss:ID='Default' ss:Name='Normal'> "); 

writer.WriteLine(" <Alignment ss:Vertical='Bottom'/> "); 

writer.WriteLine(" <Borders/> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" <NumberFormat/> "); 

writer.WriteLine(" <Protection/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s23'> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11' "); 

writer.WriteLine(" ss:Color='#FF0000'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s24'> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s25'> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s26'> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11' "); 

writer.WriteLine(" ss:Color='#FF0000'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s27'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" <Protection/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s28'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s29'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s30'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s31'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s32'> "); 

writer.WriteLine(" <Alignment ss:Vertical='Bottom' ss:WrapText='1'/> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#CCFFFF' ss:Pattern='Solid'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s33'> "); 

writer.WriteLine(" <Alignment ss:Vertical='Bottom' ss:WrapText='1'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s34'> "); 

writer.WriteLine(" <Alignment ss:Vertical='Bottom' ss:WrapText='1'/> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s35'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s36'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior ss:Color='#FFFF99' ss:Pattern='Solid'/> "); 

writer.WriteLine(" <Protection ss:Protected='0'/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s37'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s38'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" <Style ss:ID='s39'> "); 

writer.WriteLine(" <Borders> "); 

writer.WriteLine(" <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/> "); 

writer.WriteLine(" </Borders> "); 

writer.WriteLine(" <Font ss:FontName='MS Pゴシック' x:CharSet='128' x:Family='Modern' ss:Size='11'/> "); 

writer.WriteLine(" <Interior/> "); 

writer.WriteLine(" </Style> "); 

writer.WriteLine(" </Styles> "); 

//Sheet操作 

writer.WriteLine("<Worksheet ss:Name='" + dr["Msg030"] + "'>"); 

writer.WriteLine(" <Table ss:ExpandedColumnCount='9' ss:ExpandedRowCount='3000' x:FullColumns='1' x:FullRows='1' ss:StyleID='s33' ss:DefaultColumnWidth='54' ss:DefaultRowHeight='13.5'>"); 

writer.WriteLine("<Column ss:StyleID='s34' ss:AutoFitWidth='0' ss:Width='110.25'/>"); 

writer.WriteLine("<Column ss:StyleID='s34' ss:AutoFitWidth='0' ss:Width='33.75'/>"); 

writer.WriteLine("<Column ss:StyleID='s34' ss:AutoFitWidth='0' ss:Width='118.5'/>"); 

writer.WriteLine("<Column ss:StyleID='s34' ss:AutoFitWidth='0' ss:Width='159.75'/>"); 

writer.WriteLine("<Column ss:StyleID='s34' ss:AutoFitWidth='0' ss:Width='147.75' ss:Span='4'/>"); 

for (int num = sheetNum - 1; num >= 0; num = num - 1) 



// 考課表間有3行的空行 

if (num != sheetNum - 1) 



writer.WriteLine("<Row>"); 

writer.WriteLine("</Row>"); 

writer.WriteLine("<Row>"); 

writer.WriteLine("</Row>"); 

writer.WriteLine("<Row>"); 

writer.WriteLine("</Row>"); 



// 列名 

writer.WriteLine("<Row ss:Height='40.5'>"); 

writer.WriteLine("<Cell ss:StyleID='s32'><Data ss:Type='String'>" + dr["Msg002"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s32'><Data ss:Type='String'>" + dr["Msg003"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s32'><Data ss:Type='String'>" + dr["Msg004"] + "</Data></Cell>"); 

writer.WriteLine("</Row>"); 

// 详细数据 

for (int i = 0; i < ds.Tables[2 * num].Rows.Count; i++) 



writer.WriteLine("<Row ss:Height='27'>"); 

writer.WriteLine("<Cell><Data ss:Type='String'>" + ds.Tables[2 * num].Rows[i]["EvalLevel1Name"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell><Data ss:Type='Number'>" + ds.Tables[2 * num].Rows[i]["EvalLevel2Code"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell><Data ss:Type='String'>" + ds.Tables[2 * num].Rows[i]["EvalLevel2Name"].ToString() + "</Data></Cell>"); 

writer.WriteLine("</Row>"); 





writer.WriteLine(" </Table>"); 

writer.WriteLine(" </Worksheet>"); 

// 其他Sheet操作 

for (int num = sheetNum - 1; num >= 0; num--) 



writer.WriteLine("<Worksheet ss:Name='" + ds.Tables[2 * num].Rows[0][1].ToString() + "' ss:Protected='1'>"); 

writer.WriteLine(" <Table ss:ExpandedColumnCount='31' ss:ExpandedRowCount='30000' x:FullColumns='1' x:FullRows='1' ss:StyleID='s25' ss:DefaultColumnWidth='54' ss:DefaultRowHeight='13.5'>"); 

writer.WriteLine(" <Row>"); 

writer.WriteLine("<Cell ss:StyleID='s26'><PhoneticText xmlns='urn:schemas-microsoft-com:office:excel'>カキキイロテンスウツ</PhoneticText><Data ss:Type='String'>" + dr["Msg031"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:Index='14' ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("</Row>"); 

writer.WriteLine(" <Row>"); 

writer.WriteLine("<Cell ss:StyleID='s26'><PhoneticText xmlns='urn:schemas-microsoft-com:office:excel'>カキキイロテンスウツ</PhoneticText><Data ss:Type='String'>" + dr["Msg032"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:Index='14' ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("<Cell ss:StyleID='Default'/>"); 

writer.WriteLine("</Row>"); 

// 列名 

writer.WriteLine("<Row>"); 

writer.WriteLine("<Cell ss:StyleID='s27'><Data ss:Type='String'>" + dr["Msg001"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg002"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg003"] + "</Data></Cell>"); 

writer.WriteLine("</Row>"); 

int SheetN = ds.Tables[2 * num].Rows.Count; 

//详细数据 

for (int i = 0; i < SheetN; i++) 



writer.WriteLine("<Row>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='Number'>" + ds.Tables[2 * num].Rows[i]["EvalLevel1Code"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num].Rows[i]["EvalLevel1Name"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='Number'>" + ds.Tables[2 * num].Rows[i]["EvalLevel2Code"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell><Data ss:Type='String'> </Data></Cell>"); 

writer.WriteLine("</Row>"); 



writer.WriteLine("<Row>"); 

writer.WriteLine("</Row>"); 

writer.WriteLine("<Row>"); 

writer.WriteLine("</Row>"); 

//列名 

writer.WriteLine("<Row>"); 

writer.WriteLine("<Cell ss:StyleID='s29'><Data ss:Type='String'>" + dr["Msg011"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s30'/>"); 

writer.WriteLine("<Cell ss:StyleID='s31'/>"); 

writer.WriteLine("<Cell ss:StyleID='s29'><Data ss:Type='String'>" + dr["Msg012"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s31'/>"); 

writer.WriteLine("<Cell ss:StyleID='s29'><Data ss:Type='String'>" + dr["Msg013"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s30'/>"); 

writer.WriteLine("<Cell ss:StyleID='s30'/>"); 

writer.WriteLine("<Cell ss:StyleID='s30'/>"); 

writer.WriteLine("<Cell ss:StyleID='s31'/>"); 

writer.WriteLine("<Cell ss:StyleID='s29'><Data ss:Type='String'>" + dr["Msg014"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s31'/>"); 

writer.WriteLine("<Cell ss:StyleID='s29'><Data ss:Type='String'>" + dr["Msg015"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s31'/>"); 

writer.WriteLine("</Row>"); 

writer.WriteLine("<Row>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg016"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg017"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg018"] + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s28'><Data ss:Type='String'>" + dr["Msg019"] + "</Data></Cell>"); 

writer.WriteLine("</Row>"); 

int DateLen = ds.Tables[2 * num + 1].Rows.Count; 

string EmployeeManagement = ""; 

for (int i = 0; i < DateLen; i++) 



writer.WriteLine("<Row>"); 

writer.WriteLine("<Cell ss:StyleID='s37'><Data ss:Type='Number'>" + ds.Tables[2 * num + 1].Rows[i]["EmployeeManagementID"].ToString() + "</Data></Cell>"); 

if (!EmployeeManagement.Equals(ds.Tables[2 * num + 1].Rows[i]["EmployeeManagementID"].ToString())) 



writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='Number'>" + ds.Tables[2 * num + 1].Rows[i]["EmployeeCode"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num + 1].Rows[i]["EmployeeName"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num + 1].Rows[i]["BefEmployeeName2"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num + 1].Rows[i]["EmployeeName2"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s38'><Data ss:Type='Number'>" + ds.Tables[2 * num + 1].Rows[i]["EvalLevel1Code"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num + 1].Rows[i]["EvalLevel1Name"].ToString() + "</Data></Cell>"); 

EmployeeManagement = ds.Tables[2 * num + 1].Rows[i]["EmployeeManagementID"].ToString(); 



else 



writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'></Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'></Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'></Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'></Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s38'><Data ss:Type='String'></Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'></Data></Cell>"); 



writer.WriteLine("<Cell ss:StyleID='s39'><Data ss:Type='Number'>" + ds.Tables[2 * num + 1].Rows[i]["EvalLevel2Code"].ToString() + "</Data></Cell>"); 

writer.WriteLine("<Cell ss:StyleID='s35'><Data ss:Type='String'>" + ds.Tables[2 * num + 1].Rows[i]["EvalLevel2Name"].ToString() + "</Data></Cell>"); 

writer.WriteLine("</Row>"); 



writer.WriteLine(" </Table>"); 

writer.WriteLine(" </Worksheet>"); 



writer.WriteLine("</Workbook>"); 

writer.Close(); 

FileDownload(ExcelFileName); 



catch (System.Exception ex) 





finally 



Response.End(); 





public void FileDownload(FullFileName) 



FileInfo DownloadFile = new FileInfo(FullFileName); 

Response.Clear(); 

Response.ClearHeaders(); 

Response.Buffer = true; 

Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(System.Text.Encoding.UTF8.GetBytes(MyFile".xls"))); 

Response.ContentType = "application/ms-excel;charset=UTF-8";//DownloadFile.FullNameoctet-stream 

Response.ContentEncoding = System.Text.Encoding.GetEncoding("shift-jis"); 

Response.AppendHeader("Content-Length", DownloadFile.Length.ToString()); 

Response.WriteFile(FullFileName); 

Response.Flush(); 

if (File.Exists(FullFileName)) 



File.Delete(FullFileName); 



}

方法四 用微软的COM组件操作Excel。虽然可以很方便的操作单元格,并且能保留VBA代码,它相当于直接打开一个EXCEL进程。
当初这个COM组件式给WinForm准备的,但在Web端有很多东西的支持不尽人意,例如无法用组件中的方法关闭Excel对象,

只能通过强制关闭Excel进程的方式(这其中还有很多问题,例如只能关闭当前打开的这个Excel的进程,否则会把其他用户的Excel进程关闭)。在这里不推荐

方法五 用流的方式,把内容以Table的格式向Excel中放数据 好处是 可以生成格式丰富复杂的Excel,页面无刷新

aspx部分

复制代码代码如下:

<asp:Button ID="hidExport" onClick="hidExport_Click()" Runat="server"></asp:Button>

aspx.cs部分
复制代码代码如下:

//内容很好理解,只需当成Table来拼字符串即可 

private string getExcelContent() 



StringBuilder sb = new StringBuilder(); 

sb.Append("<table borderColor='black' border='1' >"); 

sb.Append("<thead><tr><th colSpan='2' bgColor='#ccfefe'>标题</th></tr>"); 

sb.Append("<tr><th bgColor='#ccfefe'>号码</th><th bgColor='#ccfefe'>名字</th></tr></thead>"); 

sb.Append("<tbody>"); 

sb.Append("<tr class='firstTR'><td bgcolor='#FF99CC'></td><td></td></tr>"); 

sb.Append("<tr class='secondTR'><td></td><td bgcolor='lightskyblue'></td></tr>"); 

sb.Append("</tbody></table>"); 

return sb.ToString(); 



private void hidExport_Click(object sender, System.EventArgs e) 



string content = getExcelContent(); 

string css = ".firstTR td{color:blue;width:100px;}.secondTR td{color:blue;width:100px;}"; 

string filename = "Test.xls"; 

CommonTool.ExportToExcel(filename, content ,css); 

}

工具类CommonTool
复制代码代码如下:

public class CommonTool 



/// <summary> 

/// 以流的形式,可以设置很丰富复杂的样式 

/// </summary> 

/// <param name="content">Excel中内容(Table格式)</param> 

/// <param name="filename">文件名</param> 

/// <param name="cssText">样式内容</param> 

public static void ExportToExcel(string filename, string content,string cssText) 



var res = HttpContext.Current.Response; 

content = String.Format("<style type='text/css'>{0}</style>{1}",cssText,content); 

res.Clear(); 

res.Buffer = true; 

res.Charset = "UTF-8"; 

res.AddHeader("Content-Disposition", "attachment; filename=" + filename); 

res.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8"); 

res.ContentType = "application/ms-excel;charset=UTF-8"; 

res.Write(content); 

res.Flush(); 

res.End(); 



}

这种方法比较灵活,而且可以通过选择器来添加样式,相当不错。缺点就是需要将数据转换成字符串。
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