protected void DtToExcel(DataSet ds, string tableName, bool containColumName,string fileName)
{
if (ds == null || (!ds.Tables.Contains(tableName) && ds.Tables.Count < int.Parse(tableName)))
{
return ;
}
DataTable tb = !ds.Tables.Contains(tableName) ? ds.Tables[int.Parse(tableName)] : ds.Tables[tableName];
StringBuilder strb = new StringBuilder();
strb.Append(" <html xmlns:o=\"urn:schemas-microsoft-com:office:office\"");
strb.Append("xmlns:x=\"urn:schemas-microsoft-com:office:excel\"");
strb.Append("xmlns=\"http://www.w3.org/TR/REC-html40/"");
strb.Append(" <head> <meta http-equiv='Content-Type' content='text/html; charset=gb2312'>");
strb.Append(" <style>");
strb.Append(".xl26");
strb.Append(" {mso-style-parent:style0;");
strb.Append(" font-family:\"宋体\", serif;");
strb.Append(" mso-font-charset:0;");
strb.Append(" mso-number-format:\"@\";}");
strb.Append(" </style>");
strb.Append(" <xml>");
strb.Append(" <x:ExcelWorkbook>");
strb.Append(" <x:ExcelWorksheets>");
strb.Append(" <x:ExcelWorksheet>");
strb.Append(" <x:Name>Sheet1 </x:Name>");
strb.Append(" <x:WorksheetOptions>");
strb.Append(" <x:DefaultRowHeight>285 </x:DefaultRowHeight>");
strb.Append(" <x:Selected/>");
strb.Append(" <x:Panes>");
strb.Append(" <x:Pane>");
strb.Append(" <x:Number>3 </x:Number>");
strb.Append(" <x:ActiveCol>1 </x:ActiveCol>");
strb.Append(" </x:Pane>");
strb.Append(" </x:Panes>");
strb.Append(" <x:ProtectContents>False </x:ProtectContents>");
strb.Append(" <x:ProtectObjects>False </x:ProtectObjects>");
strb.Append(" <x:ProtectScenarios>False </x:ProtectScenarios>");
strb.Append(" </x:WorksheetOptions>");
strb.Append(" </x:ExcelWorksheet>");
strb.Append(" <x:WindowHeight>6750 </x:WindowHeight>");
strb.Append(" <x:WindowWidth>10620 </x:WindowWidth>");
strb.Append(" <x:WindowTopX>480 </x:WindowTopX>");
strb.Append(" <x:WindowTopY>75 </x:WindowTopY>");
strb.Append(" <x:ProtectStructure>False </x:ProtectStructure>");
strb.Append(" <x:ProtectWindows>False </x:ProtectWindows>");
strb.Append(" </x:ExcelWorkbook>");
strb.Append(" </xml>");
strb.Append("");
strb.Append(" </head> <body> <table align=\"center\" style='border-collapse:collapse;table-layout:fixed'>");
if (containColumName)
{
strb.Append("<tr>");
//写列标题
int columncount = tb.Columns.Count;
for (int columi = 0; columi < columncount; columi++)
{
strb.Append(" <td> <b>" + tb.Columns[columi] + " </b> </td>");
}
strb.Append(" </tr>");
}
//写数据
for (int i = 0; i < tb.Rows.Count; i++)
{
strb.Append(" <tr>");
for (int j = 0; j < tb.Columns.Count; j++)
{
strb.Append(" <td class='xl26'>" + tb.Rows[i][j].ToString() + " </td>");
}
strb.Append(" </tr>");
}
strb.Append(" </body> </html>");
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + Server.UrlEncode(fileName));
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
Response.Write(strb);
Response.End();
}
=============
调用 DataSet ds = new DataSet();
DataTable dt = new DataTable();
DataColumn dc;
DataRow dr;
//---------------------添加字段----------------
//建立字段1
dc = new DataColumn();
dc.DataType = System.Type.GetType("System.Int32");
dc.ColumnName = "id";
dc.AutoIncrement = true;//标识
dc.AutoIncrementSeed = 1;//标识种子
dc.AutoIncrementStep = 1;//标识递增量
dt.Columns.Add(dc);
//建立字段2
dc = new DataColumn();
dc.DataType = System.Type.GetType("System.String");
dc.ColumnName = "sitename";
dc.AllowDBNull = true;
dt.Columns.Add(dc);
//建立字段3
dc = new DataColumn();
dc.DataType = System.Type.GetType("System.String");
dc.ColumnName = "url";
dc.AllowDBNull = true;
dt.Columns.Add(dc);
//设置主键
DataColumn[] newdc = new DataColumn[1];//可设置多个字段为主键
newdc[0] = dt.Columns["id"];
dt.PrimaryKey = newdc;
//---------------------添加记录----------------
//记录1
dr = dt.NewRow();
dr["sitename"] = "尚网";
dr["url"] = "http://www.jjshang.com/";
dt.Rows.Add(dr);
//记录2
dr = dt.NewRow();
dr["sitename"] = "木子屋";
dr["url"] = "http://www.mzwu.com/";
dt.Rows.Add(dr);
//记录3
dr = dt.NewRow();
dr["sitename"] = "网易";
dr["url"] = "http://www.126.com/";
dt.Rows.Add(dr);
ds.Tables.Add(dt);
ds.Tables[0].TableName = "HomePage";
DtToExcel(ds,"HomePage",true, "好好学习.xls");
