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  • 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();
            }
      
     }
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  • 原文地址:https://www.cnblogs.com/xueblvip/p/12035962.html
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