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asp.net生成Excel并導出下載五種實現(xiàn)方法
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方法一 通過GridView(簡評：方法比較簡單，但是只適合生成格式簡單的Excel，且無法保留VBA代碼),頁面無刷新

aspx.cs部分

復制代碼 代碼如下:

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);//獲得想要放入Excel的數(shù)據

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(解決亂碼問題)
/// /summary>
/// param name="page">調用頁面/param>
/// param name="excel">Excel數(shù)據/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
復制代碼 代碼如下:

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下載" 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>

在剛才的aspx.cs代碼中
復制代碼 代碼如下:

foreach (GridViewRow row in excel.Rows)
{
for (int i = 0; i row.Cells.Count; i++)
{
excel.HeaderRow.Cells[i].BackColor = System.Drawing.Color.Yellow;
}
}

這部分是給表頭添加樣式。

有時候為了便于瀏覽，需要給交叉行添加樣式，簡單點的可以用下面這種：

復制代碼 代碼如下:

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

但是細看一下會發(fā)現(xiàn)它把一整行的樣式都改變了，包括后面那些沒有用到的列。

解決辦法是有，不過比較繁瑣，就是修改每個單元格的樣式。

復制代碼 代碼如下:

int rowCount = excel.Rows.Count;
int colCount = excel.HeaderRow.Cells.Count;

for (int i = 0; i rowCount; i++)
{
for(int j=0;jcolCount; j++)
{
excel.Rows[i].Cells[j].BackColor = System.Drawing.Color.LightCyan;
}
}

方法二 通過DataGrid(與方法一基本相同),頁面無刷新

aspx.cs部分

復制代碼 代碼如下:

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
復制代碼 代碼如下:

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下載" 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(可以設置豐富的樣式，并可以有多個sheet，但需要模版。速度很快，但生成的文件較大，且無法保留VBA代碼)

具體方法：把模版以 XML Document形式另存為A.xml。然后參照A.xml中的內容即可

復制代碼 代碼如下:
 
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");

//獲取Excel需要的數(shù)據
ds = [------獲得數(shù)據-------];
if (ds.Tables.Count == 0)
{
Response.Write("script type='text/javascript'>alert('無數(shù)據');/script>");
return;
}
int sheetNum = ds.Tables.Count / 2;
StreamWriter writer = new StreamWriter(ExcelFileName, false);

//Styles標簽前面的信息相當于'頭信息'，不需要改變
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>");

//通過 ss:ID 和 ss:Name相當于html中style的類
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>");

// 詳細數(shù)據
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;

//詳細數(shù)據
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 用微軟的COM組件操作Excel。雖然可以很方便的操作單元格，并且能保留VBA代碼，它相當于直接打開一個EXCEL進程。

當初這個COM組件式給WinForm準備的，但在Web端有很多東西的支持不盡人意，例如無法用組件中的方法關閉Excel對象，

只能通過強制關閉Excel進程的方式(這其中還有很多問題，例如只能關閉當前打開的這個Excel的進程，否則會把其他用戶的Excel進程關閉)。在這里不推薦

方法五 用流的方式，把內容以Table的格式向Excel中放數(shù)據 好處是 可以生成格式豐富復雜的Excel，頁面無刷新

aspx部分

復制代碼 代碼如下:

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

aspx.cs部分
復制代碼 代碼如下:

//內容很好理解，只需當成Table來拼字符串即可
private string getExcelContent()
{
StringBuilder sb = new StringBuilder();

sb.Append("table borderColor='black' border='1' >");
sb.Append("thead>tr>th colSpan='2' bgColor='#ccfefe'>標題/th>/tr>");
sb.Append("tr>th bgColor='#ccfefe'>號碼/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);
}

工具類CommonTool
復制代碼 代碼如下:

public class CommonTool
{
/// summary>
/// 以流的形式，可以設置很豐富復雜的樣式
/// /summary>
/// param name="content">Excel中內容(Table格式)/param>
/// param name="filename">文件名/param>
/// param name="cssText">樣式內容/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();
}
}

這種方法比較靈活，而且可以通過選擇器來添加樣式，相當不錯。缺點就是需要將數(shù)據轉換成字符串。
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標簽：臺州 南京 嘉興 海南 南昌 揚州 南京 淄博

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