简单明了 c#web 导出 excel,word,pdf, 只包含了文本导出。

其中pdf需要 itextSharp库

public static string sGetBinTemplaterFile(string sfilemode)

{

return System.Web.HttpContext.Current.Server.MapPath("bin\\templater." + sfilemode);

}

public static void DataSetToExcel(string strText)

{

//excel

string filepath = sGetBinTemplaterFile("xlsx");

HttpResponse resp;

resp = HttpContext.Current.Response;

resp.Clear();

resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

resp.AppendHeader("Content-Disposition", "attachment;filename=" + filepath);

resp.Write(strText);

resp.Flush();

resp.End();

}

public static void DataSetToWord(string strText)

{

string filepath = sGetBinTemplaterFile("doc");

HttpResponse resp;

resp = HttpContext.Current.Response;

resp.Clear();

resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

resp.AppendHeader("Content-Disposition", "attachment;filename=" + filepath);

resp.Write(strText);

resp.Flush();

resp.End();

}

public static void DataSetToPdf(string strText)

{

string filepath = sGetBinTemplaterFile("pdf");

FileStream fs = new FileStream(filepath, FileMode.OpenOrCreate);

byte[] buffer = new byte[fs.Length];

fs.Position = 0;

fs.Read(buffer, 0, (int)fs.Length);

HttpResponse resp;

resp = HttpContext.Current.Response;

resp.Clear();

resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

resp.AppendHeader("Content-Disposition", "attachment;filename=" + filepath);

resp.Clear();

resp.AddHeader("Content-Length", fs.Length.ToString());

resp.ContentType = "application/pdf";

resp.AddHeader("Content-Disposition", "inline;FileName=out.pdf");

fs.Close();

resp.BinaryWrite(buffer);

resp.OutputStream.Flush();

resp.OutputStream.Close();

//pdf itextsharp

// string file1 = "E:\\test.pdf";

// Document document = new Document();

// FileStream fs = System.IO.File.Open(file1, FileMode.OpenOrCreate);

//

// PdfWriter.GetInstance(document, fs);

//

// document.Open();

// BaseFont bfChinese = BaseFont.CreateFont(@"C:\WINDOWS\Fonts\SIMFANG.TTF", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

// Font fontChinese = new Font(bfChinese, 12);

//

// Table aTable = new Table(1);

// aTable.Border = 0;

// aTable.AddCell(new Paragraph("a1\tb1\tc1\na2\tb2\tc2\n ", fontChinese));

// document.Add(new Paragraph("a1\tb1\tc1\na2\tb2\tc2\n ", fontChinese));

//

//

// //document.Add(aTable);

//

// document.Close();

}

public static string GetDataToString(DataSet ds)

{

//定义表对象与行对象，同时用DataSet对其值进行初始化

DataTable dt = ds.Tables[0];

DataRow[] myRow = dt.Select();//可以类似dt.Select("id>10")之形式达到数据筛选目的

int i = 0;

int cl = dt.Columns.Count;

string colHeaders = "", ls_item = "", strText = "";

//取得数据表各列标题，各标题之间以\t分割，最后一个列标题后加回车符

for (i = 0; i < cl; i++)

{

if (i == (cl - 1))//最后一列，加\n

{

colHeaders += dt.Columns[i].Caption.ToString() + "\n";

}

else

{

colHeaders += dt.Columns[i].Caption.ToString() + "\t";

}

}

strText += colHeaders;

//向HTTP输出流中写入取得的数据信息

//逐行处理数据

foreach (DataRow row in myRow)

{

//当前行数据写入HTTP输出流，并且置空ls_item以便下行数据

for (i = 0; i < cl; i++)

{

if (i == (cl - 1))//最后一列，加\n

{

ls_item += row[i].ToString() + "\n";

}

else

{

ls_item += row[i].ToString() + "\t";

}

}

strText += ls_item;

ls_item = "";

}

return strText;

}