Java Browser download file for Excel (SPRINGMVC mode)

Methods in action

/**
* Excel file Download processing
* @return
      */
@RequestMapping ("/downloanexcel")
Public Modelandview Downloanexcel () {
list<aucontract> List = new arraylist<aucontract> ();
          
list= service.findaucontractlist ();//Get all the contract collections from the database
map<string,list<aucontract>> Map = new hashmap<string, list<aucontract>> ();
map.put ("infolist", list);
Excelview ve = new Excelview ();
return new Modelandview (VE,MAP);
        } 

Excel Action Tool Class

Excelview

Package com.ekyb.common.auContract.action;

import Java.io.OutputStream;
import Java.text.SimpleDateFormat;
import java.util.List;
import Java.util.Map;

import javax.servlet.http.HttpServletRequest;
import Javax.servlet.http.HttpServletResponse;

import Org.apache.poi.hssf.usermodel.HSSFCellStyle;
import Org.apache.poi.hssf.usermodel.HSSFFont;
import Org.apache.poi.hssf.usermodel.HSSFWorkbook;
import Org.apache.poi.hssf.util.HSSFColor;
import Org.apache.poi.ss.usermodel.Cell;
import Org.apache.poi.ss.usermodel.Row;
import Org.apache.poi.ss.usermodel.Sheet;
import Org.springframework.web.servlet.view.document.AbstractExcelView;

import com.ekyb.common.auContract.entity.AuContract;
import Com.ekyb.common.util.CharEncodingEdit;

/**
* Download Excel View
 *
* @author GX
 */
Public class Excelview extends Abstractexcelview {

@SuppressWarnings ("static-access")
protected void Buildexceldocument (map<string, object> model, Hssfworkbook workbook, HttpServletRequest Reque St,
httpservletresponse response) throws Exception {
        
@SuppressWarnings ("unchecked")
list<aucontract> List = (list<aucontract>) model.get ("Infolist");
        
Hssffont font= Workbook.createfont ();
font.setfontheightinpoints ((short) 12); Set the size of the font
font.setfontname ("Microsoft Jas Black"); Set the style of the font, such as: Arial, Microsoft ya black, etc.
Font.setitalic (FALSE); Italic true is italic
font.setboldweight (Hssffont.boldweight_bold); Bold in the text
Font.setcolor (HSSFColor.PINK.index); Set the color of a font
Hssfcellstyle style = Workbook.createcellstyle ();
Style.setfont (font);
        
if (list = null && list.size ()! = 0) {
int length = List.size ();
Sheet Sheet = Workbook.createsheet ();
        
//First line text description
Row row = Sheet.createrow (0);
cell cell = Row.createcell (0, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("contract name");

cell = Row.createcell (1, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("Contract unit");

cell = Row.createcell (2, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("Time of Contract registration");
            
cell = Row.createcell (3, cell.cell_type_string);
Cell.setcellstyle (style);
cell.setcellvalue ("Contract Amount");

cell = Row.createcell (4, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("Performance Method");

cell = Row.createcell (5, cell.cell_type_string);
Cell.setcellstyle (style);
cell.setcellvalue ("contract type");

cell = Row.createcell (6, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("Start Time");

cell = Row.createcell (7, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("End Time");

cell = Row.createcell (8, cell.cell_type_string);
Cell.setcellstyle (style);
Cell.setcellvalue ("Remarks");

//Below is the specific content
for (int i = 0; i < length; i++) {
Sheet.setcolumnwidth (short) I, (short) (35.7 *));
row = Sheet.createrow (i + 1);
//Contract name
cell = Row.createcell (0, cell. cell_type_string);
Cell.setcellvalue (List.get (i). GetName ());
//Contract units
cell = Row.createcell (1, cell. cell_type_string);
Cell.setcellvalue (List.get (i). Getunit ());

//Contract Registration Time
cell = Row.createcell (2, cell. cell_type_string);
Cell.setcellvalue (New SimpleDateFormat ("Yyyy-mm-dd"). Format (List.get (i). Getreg_time ()));

                
//Contract Amount
cell = Row.createcell (3, cell. cell_type_string);
//Convert a Float object to a string object
float Con_money=list.get (i). Getcon_money ();
String str =string.valueof (Con_money);
Cell.setcellvalue (str);

//Contract Fulfillment Method
cell = Row.createcell (4, cell. cell_type_string);
Cell.setcellvalue (List.get (i). Getperform_style ());

//Contract type
cell = Row.createcell (5, cell. cell_type_string);
Cell.setcellvalue (List.get (i). Getcon_type ());

//Start time
cell = Row.createcell (6, cell. cell_type_string);
Cell.setcellvalue (New SimpleDateFormat ("Yyyy-mm-dd"). Format (List.get (i). Getcon_start_time ()));

//End time
cell = Row.createcell (7, cell. cell_type_string);
Cell.setcellvalue (New SimpleDateFormat ("Yyyy-mm-dd"). Format (List.get (i). Getcon_end_time ()));

//Notes
cell = Row.createcell (8, cell. cell_type_string);
Cell.setcellvalue (List.get (i). Getremark ());
            }

//web Browse by MIME type to determine if a file is an Excel type
Response.setcontenttype ("Application/vnd.ms-excel;charset=utf-8");
response.setcharacterencoding ("Utf-8");

//processing the file name. Prevent garbled file names
String fileName = charencodingedit.processfilename (Request, "contract. xls");
///Content-disposition property is set to download as Attachment
Response.setheader ("Content-disposition", "attachment;filename=" + filename);
outputstream OS = Response.getoutputstream ();
workbook.write (OS);
Os.flush ();
os.close ();
        }
    }
}

JSP page code with the jQueryUI

<a href= "<%=basepath%>/aucontract/downloanexcel" class= "Easyui-linkbutton" data-options= "plain: ' true ', Iconcls: ' icon-down ' > Download excel</a>

You can directly connect to the URL map address in the action directly via the A-label href

Java Browser download file for Excel (SPRINGMVC mode)