java導出多列excel功能

/**
   * 導出
   *
   * @return
   * @throws IOException
   */
   @RequestMapping(value = "/export", produces = "application/json; charset=utf-8")
   public Map<String, Object> export(GoodParams params, HttpServletRequest request, HttpServletResponse response)
           throws IOException {
       // 要導出的查詢語句
       ShopInfos info = shopInfosService.findInfoByShopNum(params.getShopNum());
       params.setShopGoodsTable(info.getShopGoodsTable());

       if (StringUtil.areNotEmpty(params.getDiannei_classify2())) {
           params.setStr(params.getDiannei_classify2().split(","));
       }
       List<ShopGoodsBean> list = snakeGoodsManageService.selectJDGoodsByParamsNotPage(params);
       if (list.size() == 0) {
           return getResultObjectData(ResultCode.FAILED, "暫無數據需要修改", "暫無數據需要修改");
       }

try {

           // excel標題
           List<String> title = new ArrayList<String>();
           title.add("店鋪名稱");
           title.add("商品id");
           title.add("商品標題");
           title.add("isbn");
           title.add("作者");
           title.add("出版時間");
           title.add("來源(1文軒2明文3博庫)");
           title.add("在售狀態(1在售2倉庫)");
           title.add("外部編號");
           title.add("sku_id");
           title.add("運費模板id");
           title.add("運費模板名稱");
           title.add("庫存");
           title.add("類目id");
           title.add("出版社");
           title.add("銷售價");

           // 生產文件名
           String fileName = info.getShopName() + System.currentTimeMillis() + ".xls";
           ExcelUtil.createExcel(request, response, list, fileName, title);
           return null;
       } catch (Exception e) {
           return getResultObjectData(ResultCode.FAILED, "導出異常", "導出異常");
       }

}

ExcelUtil.java

package com.mingwen.common.utils;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

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

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import com.mingwen.product.entity.taobao.ShopGoodsBean;

public class ExcelUtil {

   public static void createExcel(HttpServletRequest request, HttpServletResponse response, List<ShopGoodsBean> list,
           String fileName, List<String> title) {
       try {
           // 創建Excel的工作書冊 Workbook,對應到一個excel文檔
           HSSFWorkbook workbook = new HSSFWorkbook();
           HSSFCellStyle style = workbook.createCellStyle();
           // 生成一個字體
           HSSFFont font = workbook.createFont();
           // 字體增粗
           // font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
           font.setFontHeightInPoints((short) 11);
           style.setFont(font);
           // 創建Excel的工作sheet,對應到一個excel文檔的tab
           HSSFSheet sheet = workbook.createSheet("sheet1");
           // 創建Excel的sheet的一行 (表頭)
           HSSFRow row = sheet.createRow(0);
           // 表頭內容填充
           for (int i = 0; i < title.size(); i++) {
               // 設置excel每列寬度
               sheet.setColumnWidth(i, 5000);
               HSSFCell cell = row.createCell(i);
               cell.setCellValue(title.get(i));
               cell.setCellStyle(style);
           }
           // 創建內容行
           HSSFCellStyle cellStyle = workbook.createCellStyle();
           cellStyle.setWrapText(true);// 自動換行
           cellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("0.00"));
           for (int j = 0; j < list.size(); j++) {
               try {
                   HSSFRow contentRow = sheet.createRow(j + 1);
                   for (int k = 0; k < title.size(); k++) {
                       HSSFCell cell = contentRow.createCell(k);
                       switch (k) {
                       case 0:

                           cell.setCellValue(list.get(j).getShopName());
                           break;
                       case 1:
                           cell.setCellValue(list.get(j).getNumberId());
                           break;
                       case 2:
                           cell.setCellValue(list.get(j).getTitle());

break;
case 3:

cell.setCellValue(list.get(j).getIsbn());

break;
case 4:

cell.setCellValue(list.get(j).getAuthor());

                           break;
                       case 5:
                           cell.setCellValue(list.get(j).getPublishDate());
                           break;
                       case 6:

cell.setCellValue(list.get(j).getDataFrom());

break;
case 7:

cell.setCellValue(list.get(j).getGoodState());

break;
case 8:

cell.setCellValue(list.get(j).getOuterId());

break;
case 9:

cell.setCellValue(list.get(j).getSkuId());

break;
case 10:

cell.setCellValue(list.get(j).getTemplate());

break;
case 11:

cell.setCellValue(list.get(j).getTemplateName());

break;
case 12:

cell.setCellValue(list.get(j).getStock());

break;
case 13:

cell.setCellValue(list.get(j).getCid());

break;
case 14:

cell.setCellValue(list.get(j).getPress());

break;
case 15:

cell.setCellValue(list.get(j).getSellingPrice());

                           break;
                       default:
                           break;
                       }
                       cell.setCellStyle(cellStyle);
                   }
               } catch (Exception e) {
                   continue;
               }
           }

           ByteArrayOutputStream os = new ByteArrayOutputStream();
           try {
               workbook.write(os);
           } catch (IOException e) {
               e.printStackTrace();
           }
           byte[] content = os.toByteArray();
           InputStream is = new ByteArrayInputStream(content);
           // 設置response參數，可以打開下載頁面
           response.reset();
           response.setContentType("application/vnd.ms-excel;charset=utf-8");
           response.setHeader("Content-Disposition",
                   "attachment;filename=" + new String((fileName + ".xls").getBytes("gb2312"), "iso-8859-1"));
           ServletOutputStream out = response.getOutputStream();
           BufferedInputStream bis = null;
           BufferedOutputStream bos = null;
           try {
               bis = new BufferedInputStream(is);
               bos = new BufferedOutputStream(out);
               byte[] buff = new byte[2048];
               int bytesRead;
               // Simple read/write loop.
               while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
                   bos.write(buff, 0, bytesRead);
               }
           } catch (final IOException e) {
               throw e;
           } finally {
               if (bis != null)
                   bis.close();
               if (bos != null)
                   bos.close();
           }
       } catch (Exception e) {
           e.printStackTrace();
       }
   }
}

前臺js:

window.location.href="/goodsManage/export?shopNum="+shopId+"&goodState="+goodState+"&goodsName="+goodsName+"&jd_sku="+jd_sku
   +"&goodsCood="+goodsCood+"&goodsNumber="+goodsNumber+"&price1="+price1
   +"&price2="+price2+"&jdCid="+jd_classify2+"&diannei_classify2="+diannei_classify2
   +"&kucun2="+kucun2+"&kucun1="+kucun1+"&formatId="+glbs
   +"&yunfei_template="+yunfei_template+"&pssx="+pssx+"&miaoshu_template="+miaoshu_template
   +"&goodsType="+goodsType+"&huoyuan="+huoyuan+"&startTime="+startTime+"&endTime="+endTime;

不能用ajax，否則導出的文本在瀏覽器打不開