jeecg导出方法步骤备份

1、页面上加按钮与js

<t:dgToolBar title="导出托运单" icon="icon-putout"
url="carRouteController.do?ExportHjyTyd" funname="ExportHjyTyd"></t:dgToolBar>

//导出排车单
function ExportHjyTyd(title,url,gname) {
gridname=gname;
// var ids = [];
//var rows = $("#"+gname).datagrid('getSelections');
var id = $('#fid').val();
JeecgExcelExport("carRouteController.do?ExportHjyTyd&id="+id , "carRouteList");
}

2、后台写导出方法

/**
* 导出托运单
*/
@RequestMapping(params = "ExportHjyTyd")
@ResponseBody
public void ExportHjyTyd(HttpServletRequest request, ModelMap modelMap, HttpServletResponse response,
   OutputStream output) throws UnsupportedEncodingException {
  Workbook tempWorkBook = null;
  String id = request.getParameter("id");//业务编号
  String wheresql = " ";

  if(id!=null && !id.equals("")) {
   wheresql += " and a.id='" + id + "'";
  }

  String sql = " select a.* ,b.*,sysdate() sysdate "
       + "   from ldc_order a,car_route b"
       + " where a.order_code = b.cr_orderno "
       + wheresql
       + " order by b.create_date desc ";

  String lujing = request.getSession().getServletContext().getRealPath("/");
  String lujing1 = lujing + "export\\template\\exporthjytyd.xlsx";
  List<Map<String, Object>> maps = jdbcTemplate.queryForList(sql);
  InputStream in;
  try {
   in = new FileInputStream(new File(lujing1));
   XSSFWorkbook work = null;
   work = new XSSFWorkbook(in);
   this.ExportHjyTydOut(request, response, work, maps);
  } catch (Exception e) {

e.printStackTrace();
}

}
/**
* 导出托运单动作
*/
public void ExportHjyTydOut(HttpServletRequest request, HttpServletResponse response, XSSFWorkbook work, List<Map<String, Object>> list) {


  XSSFSheet sheetAt = work.getSheetAt(0);
  XSSFRow row1 = sheetAt.getRow(1);
  SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
  String dateString ="";

   Map<String, Object> map = new HashMap<>();
   map = list.get(0);

    /*
     * 从第三行开始赋值
     */
   XSSFRow row3 = sheetAt.getRow(2);
  //发货日期
   if(map.get("create_date") !=null) {
    Date date = (Date) map.get("create_date");
    dateString = formatter.format(date);
    row3.getCell(2).setCellValue(dateString);
   }else {
    row3.getCell(2).setCellValue("");
   }

  //导出日期
   String qq = formatter.format(map.get("sysdate"));
  row3.getCell(7).setCellValue(formatter.format(map.get("sysdate")));

  //业务编号
   if(map.get("order_code") !=null) {
    row3.getCell(12).setCellValue(String.valueOf(map.get("order_code")));
   }else {
    row3.getCell(12).setCellValue("");
   }

  /*
   * 从第四行开始赋值
   */
   XSSFRow row4 = sheetAt.getRow(3);
   //提货联系人
   if(map.get("cr_Fromperson") !=null) {
    row4.getCell(2).setCellValue(String.valueOf(map.get("cr_Fromperson")));
   }else {
    row4.getCell(2).setCellValue("");
   }
   //提货联系人电话
   if(map.get("cr_Fromperson") !=null) {
    row4.getCell(5).setCellValue(String.valueOf(map.get("cr_Fromperson")));
   }else {
    row4.getCell(5).setCellValue("");
   }
   //提货地址
   if(map.get("cr_Fromplace_Value") !=null) {
    row4.getCell(8).setCellValue(String.valueOf(map.get("cr_Fromplace_Value")));
   }else {
    row4.getCell(8).setCellValue("");
   }

   /*
    * 从第5行开始赋值
    */
    XSSFRow row5 = sheetAt.getRow(4);
    //送货联系人
    if(map.get("cr_Toperson") !=null) {
     row5.getCell(2).setCellValue(String.valueOf(map.get("cr_Toperson")));
    }else {
     row5.getCell(2).setCellValue("");
    }
    //送货联系人电话
    if(map.get("cr_Topersontel") !=null) {
     row5.getCell(5).setCellValue(String.valueOf(map.get("cr_Topersontel")));
    }else {
     row5.getCell(5).setCellValue("");
    }
    //送货地址
    if(map.get("cr_ToplaceValue") !=null) {
     row5.getCell(8).setCellValue(String.valueOf(map.get("cr_Toplace_Value")));
    }else {
     row5.getCell(8).setCellValue("");
    }

   /*
    * 从第7行开始赋值
    */
    XSSFRow row7 = sheetAt.getRow(6);
    //货物
    if(map.get("order_Goods") !=null) {
     row7.getCell(1).setCellValue(String.valueOf(map.get("order_Goods")));
    }else {
     row7.getCell(1).setCellValue("");
    }
    //件数
    if(map.get("order_Number") !=null) {
     row7.getCell(2).setCellValue(String.valueOf(map.get("order_Number")));
    }else {
     row7.getCell(2).setCellValue("");
    }
    //包装
    if(map.get("order_Bz") !=null && !"".equals(map.get("order_Bz"))) {
     String sql = " select typename from t_s_type "
       + " where typegroupid=(select id from t_s_typegroup where typegroupcode='orderbz')"
       + "    and typecode = '"+(String)map.get("order_Bz")+"'";

     row5.getCell(3).setCellValue(String.valueOf(map.get("order_Bz")));
    }else {
     row5.getCell(3).setCellValue("");
    }
    //重量（KG）
    if(map.get("order_Gross_Weight") !=null) {
     row5.getCell(4).setCellValue(String.valueOf(map.get("order_Gross_Weight")));
    }else {
     row5.getCell(4).setCellValue("");
    }
    //尺寸
    if(map.get("order_Size") !=null) {
     row5.getCell(5).setCellValue(String.valueOf(map.get("order_Size")));
    }else {
     row5.getCell(5).setCellValue("");
    }

  //前台反应
     response.reset();
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/vnd.ms-excel"); //保证不乱码
        try
        {
        Date date=new Date();
        SimpleDateFormat format=new SimpleDateFormat("MMddHHmmss");
        String time="bb"+format.format(date)+".xlsx";
            response.setHeader("Content-Disposition","attachment;" + " filename=" + new String(time.getBytes("utf-8"), "ISO-8859-1"));

        }
        catch (UnsupportedEncodingException e1) {
            e1.printStackTrace();
        }
        try
        {
            ByteArrayOutputStream oss =new ByteArrayOutputStream();
            OutputStream os = response.getOutputStream();
            work.write(oss);

            byte temp[] = oss.toByteArray();
            ByteArrayInputStream in1 = new ByteArrayInputStream(temp);
            int n = 0;
            while ((n = in1.read(temp)) >0) {
                 os.write(temp, 0, n);
             }
            os.flush();
            os.close();
        } catch(Exception e){

            e.printStackTrace();
        }

}

jeecg导出方法步骤备份

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