JSP exports an Excel file, jsp exports an excel file

JSP exports an Excel file, jsp exports an excel file
<% @ Page language = "java" contentType = "text/html; charset = UTF-8"
PageEncoding = "UTF-8" %>
<% @ Taglib uri = "http://java.sun.com/jsp/jstl/fmt" prefix = "fmt" %>
<% @ Taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<% @ Taglib prefix = "ai" uri = "/WEB-INF/tag/ai-tags.tld" %>
<% @ Taglib uri = "/WEB-INF/tag/ElTag. tld" prefix = "el" %>
<% @ Page import = "java. text. SimpleDateFormat" %>
<% @ Page import = "java. util. Date" %>
<%
SimpleDateFormat format = new SimpleDateFormat ("yyyy-MM-dd HH: mm: ss ");
String dateStr = format. format (new Date ());
Response. setContentType ("Application/msexcel; charset = UTF-8 ");
System. out. println ("dateStr =" + dateStr );
String fileName = "promotion fee" + dateStr;
FileName = new String (fileName. getBytes ("GBK"), "iso-8859-1 ");
Response. setHeader ("Content-disposition", "attachment; filename =" + fileName + ". xls ");
%>
<Div class = "big_main" id = "sos_list_div" style = "width: 1400px; overflow: hidden">
<Div class = "query_table">
<Table width = "100%" border = "1" cellspacing = "1">
<Tr align = "center" valign = "middle">
<Td height = "35" colspan = "14" align = "center" style = "border-bottom: 2px # ddd solid "> <span class =" STYLE4 STYLE6 ">$ {title} promotion fee </span> </td>
</Tr>
<Tr align = "center" valign = "middle">
<Td height = "35" colspan = "2"> statistical time: $ {sj} </td>
<Td width = "20%" colspan = "10"> & nbsp; </td>
<Td width = "7%" colspan = "2"> <span class = "STYLE4"> total sales fee: $ {totalAmount} RMB </td>
</Tr>
</Div>
<Div class = "query_table" style = "margin-top: 0px">
<Table width = "100%" border = "0" cellspacing = "1">
<Tr align = "center" valign = "middle" bgcolor = "# e3f0f6" style = "border-top: 1px solid # d1d3d5;">
<Td width = "6%" height = "35"> Sales Promotion Month </td>
<Td width = "6%" height = "35"> date of acceptance </td>
<Td width = "7%"> activity code </td>
<Td width = "6%" height = "35"> activity name </td>
<Td width = "6%" height = "35"> sales quantity </td>
<Td width = "9%" height = "35"> promotion fee (RMB) </td>
<Td width = "7%" height = "35"> salesperson Code </td>
<Td width = "7%" height = "35"> salesperson </td>
<Td width = "6%" height = "35"> developer id </td>
<Td width = "7%" height = "35"> developer name </td>
<Td width = "6%" height = "35"> store code </td>
<Td width = "10%"> store name </td>
<Td width = "6%" height = "35"> <span class = "STYLE4"> company code </span> </td>
<Td width = "8%" height = "35"> <span class = "lan_zi"> company name </span> </td>
</Tr>

<! -- Display data cyclically -->
<C: forEach items = "$ {pageInfo. result}" var = "v" varStatus = "vs" begin = "0" step = "1">
<Tr>
<Td height = "35" align = "center" valign = "middle" >$ {v. protoMonth} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. dealTime} </td>
<Td align = "center" valign = "middle" >$ {v. productId} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. productName} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. sellNum} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. protoworkflow} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. optOperId} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. optOperName} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. devId} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. devName} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. storeId} </td>
<Td align = "center" valign = "middle" >$ {v. storeName} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. componentId} </td>
<Td height = "35" align = "center" valign = "middle" >$ {v. componentName} </td>
</Tr>
</C: forEach>
</Table>
</Div>
<! ------- Query the end of the table area -------->
</Div>
How can I import and export data to an Excel file through jsp? What should I do?

Public static void crExcel (List list, String absoluteFileString)
Throws Exception {

// Font format
WritableFont wfc0 = new WritableFont (WritableFont. ARIAL, 22, WritableFont. BOLD, false, UnderlineStyle. NO_UNDERLINE, jxl. format. Colour. BLACK );
WritableCellFormat wcfFC0 = new WritableCellFormat (wfc0 );
WcfFC0.setAlignment (jxl. format. Alignment. CENTRE );
WcfFC0.setVerticalAlignment (jxl. format. verticalignment. CENTRE );
WcfFC0.setBorder (Border. ALL, BorderLineStyle. THIN, jxl. format. Colour. GRAY_25 );
// Header font
WritableFont wfc8 = new WritableFont (WritableFont. ARIAL, 12, WritableFont. BOLD, false, UnderlineStyle. NO_UNDERLINE, jxl. format. Colour. BLACK );
WritableCellFormat wcfFC8 = new WritableCellFormat (wfc8 );
WcfFC8.setAlignment (jxl. format. Alignment. CENTRE );
WcfFC8.setVerticalAlignment (jxl. format. verticalignment. CENTRE );
WcfFC8.setBorder (Border. ALL, BorderLineStyle. THIN, jxl. format. Colour. GRAY_25 );
WritableFont wfc1 = new WritableFont (WritableFont. ARIAL, 10, WritableFont. NO_BOLD, false, UnderlineStyle. NO_UNDERLINE, jxl. format. Colour. BLACK );
WritableCellFormat wcfFC1 = new WritableCellFormat (wfc1 );
WcfFC1.setAlignment (jxl. format. Alignment. CENTRE );
WcfFC1.setBorder (Border. ALL, BorderLineStyle. THIN, jxl. format. Colour. GRAY_25 );

// Create an excel file
OutputStream OS = new FileOutputStream (absoluteFileString );

String readPath = I18nMessages. getText ("efine. excel. dir ");

InputStream input = new FileInputStream (readPath
+ "FKBalanceReport. x... the remaining full text>

No, let's take a look at the jsp page to export excel files.

1. Put the data (which you implement) in scopt first
2. Add a button to the page and request the following jsp

// The guide package is incomplete. These poi packages are enough. You can export other lists, streams, and other packages by yourself.
<% @ Page pageEncoding = "UTF-8" %>
<% @ Page import = "org. apache. poi. hssf. usermodel. HSSFWorkbook" %>
<% @ Page import = "org. apache. poi. hssf. usermodel. HSSFSheet" %>
<% @ Page import = "org. apache. poi. hssf. usermodel. HSSFRow" %>
<% @ Page import = "org. apache. poi. hssf. usermodel. HSSFCell" %>
<% @ Page import = "org. apache. poi. hssf. usermodel. HSSFCellStyle" %>

<Html>
<Head>
</Head>
<Body>
<%
String result = "...";

// System. out. println ("in export. jsp ~~ Result = "+ result );
Request. getSession (true );
List contracts = (List) session. getAttribute ("contractsss"); // This is where data is stored everywhere.

// System. out. println (contracts = null? "Null": contracts. size ());
If (contracts! = Null ){

String xlsFile = "" // put it in a place first. You can find a temporary path on the server and use it for downloading.

// System. out. println (xlsFile );
HSSFWorkbook workbook = new HSSFWorkbook (); // a new xls document
HSSFSheet sheet = workbook. createSheet (); // create a sheet
Workbook. setSheetName (0, "firstSheet", HSSFWorkbook. ENCODING_UTF_16); // The sheet name. The method name is simple!

HSSFRow row0 = sheet. createRow (short) 0); // get a row as the header

HSSFCell cell1 = row0.createCell (short) 0); // The first column. The (shot) 0 is id
Cell1.setCellType (H... the remaining full text>