Asp.Net 直接写一个Excel文件流

this.Page.Response.Clear();
this.Page.Response.BufferOutput = true;
//Define Chareset
this.Page.Response.Charset = "GB2312";
//For download.
//Define type.
this.Page.Response.AppendHeader("Content-Disposition", "attachment;filename = ExcelFile.xls");
//Define encoding.
this.Page.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
//Define Application type.
this.Page.Response.ContentType = "application/ms-Excel";

string strExcelHeader = string.Empty;
string strExcelItems = string.Empty;

//Write header;
//Please pay a ation to the character "\t"

strExcelHeader = "Column1\tColumn2\tColumn3\tColumn4\tColumn5\tColumn6\tColumn7\tColumn8\ttColumn9\t\n";

strExcelItems = "1 \t2 \t3 \t4 \t5 \t6 \t7 \t8 \t9 \t\n";
//Write Excel header.
this.Page.Response.Write(strExcelHeader);

//Write a Excel item.
this.Page.Response.Write(strExcelItems);

this.Page.Response.End();