摘抄:java查询数据导出excel并返回给浏览器下载

标签：cli   val   tde   body   public   i+1   utf-8   nbsp   col   

maven地址为:

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.17</version>
</dependency>

好了，废话不多少，上代码

jsp前端代码(根据自己的业务来)

<span style="font-size:18px;"><div style="height:30px;">  
    <a>时间：</a>  
        <input id="startDateConsume" type="text" class="easyui-datebox"> <a>-</a>  
        <input id="endDateConsume" type="text" class="easyui-datebox">  
        <a>消费类型：</a>  
       <select id="consumesType" name="">  
    <option value="0" selected="selected">所有</option>  
    <option value="1">报名费</option>  
    <option value="2">酒水零食类</option>  
    </select>  
        <a>支付状态：</a>  
       <select id="conPaymentStatus" name="">  
    <option value="0" selected="selected">所有</option>  
    <option value="1">未支付</option>  
    <option value="2">已支付</option>  
    </select>  
        <a id="btnConsumesSearch" class="easyui-linkbutton"  
    data-options="iconCls:‘icon-search‘" style="margin-left:10px">查询</a><a>（查询出来的数据可统计）</a>  
    <a id="consumesOutExcel" class="easyui-linkbutton" style="" data-options="iconCls:‘icon-redo‘">导出表</a>  
</div></span>  

<span style="font-size:18px;">$(function() {  
    //导出excel表  
    $(‘#consumesOutExcel‘).on(‘click‘,function(){                     
        exportExcel();  
    });  
});  
  
function exportExcel() {  
        $.messager.confirm(‘确认‘, ‘确认把该搜索结果导出Excel表格 ？‘, function(r) {  
        if (r) {  
            var startTime = $(‘#startDateConsume‘).val();  
            var endTime = $(‘#endDateConsume‘).val();  
            var consumesType = $(‘#consumesType‘).val();  
            var conPaymentStatus = $(‘#conPaymentStatus‘).val();  
            $.messager.progress({  
                title : ‘处理中‘,  
                msg : ‘请稍后‘,  
            });  
            $.messager.progress(‘close‘);  
            location.href="web/vip/exportExcel.xlsx?startTime="+startTime+"&endTime="+endTime+"&consumesType="+consumesType+"&conPaymentStatus="+conPaymentStatus;  
        }  
    });   
} </span>  

java后端代码:

<span style="font-size:18px;">@Controller  
@RequestMapping("/vip")  
public class VipController {  
    //文件下载：导出excel表  
    @RequestMapping(value = "/exportExcel.xlsx",method = RequestMethod.GET)  
    @ResponseBody  
    public void exportExcel(HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{  
        //一、从后台拿数据  
            if (null == request || null == response)  
            {  
                return;  
            }  
            List<VipConsumes> list = null;  
            String startTime = request.getParameter("startTime");  
            String endTime = request.getParameter("endTime");  
            int consumesType = Integer.parseInt(request.getParameter("consumesType"));  
            int conPaymentStatus =Integer.parseInt(request.getParameter("conPaymentStatus"));  
  
            VipConsumesExample example = new VipConsumesExample();  
            if(consumesType!=0 && conPaymentStatus!=0){  
                example.createCriteria().andTimeBetween(startTime, endTime).andConsumeTypeEqualTo(consumesType).andStatusEqualTo(conPaymentStatus);  
            }else if(consumesType ==0 && conPaymentStatus!=0) {  
                example.createCriteria().andTimeBetween(startTime, endTime).andStatusEqualTo(conPaymentStatus);  
            }else if(consumesType!=0 && conPaymentStatus==0){  
                example.createCriteria().andTimeBetween(startTime, endTime).andConsumeTypeEqualTo(consumesType);  
            }else {  
                example.createCriteria().andTimeBetween(startTime, endTime);  
            }  
            list = this.vipConsumesDao.selectByExample(example);  
            //二、 数据转成excel  
            request.setCharacterEncoding("UTF-8");  
            response.setCharacterEncoding("UTF-8");  
            response.setContentType("application/x-download");  
  
            String fileName = "消费记录.xlsx";  
            fileName = URLEncoder.encode(fileName, "UTF-8");  
            response.addHeader("Content-Disposition", "attachment;filename=" + fileName);  
            // 第一步：定义一个新的工作簿  
            XSSFWorkbook wb = new XSSFWorkbook();  
            // 第二步：创建一个Sheet页  
            XSSFSheet sheet = wb.createSheet("startTimeendTime");  
            sheet.setDefaultRowHeight((short) (2 * 256));//设置行高  
            sheet.setColumnWidth(0, 4000);//设置列宽  
            sheet.setColumnWidth(1,5500);  
            sheet.setColumnWidth(2,5500);  
            sheet.setColumnWidth(3,5500);  
            sheet.setColumnWidth(11,3000);  
            sheet.setColumnWidth(12,3000);  
            sheet.setColumnWidth(13,3000);  
            XSSFFont font = wb.createFont();  
            font.setFontName("宋体");  
            font.setFontHeightInPoints((short) 16);  
              
            XSSFRow row = sheet.createRow(0);  
            XSSFCell cell = row.createCell(0);  
            cell.setCellValue("流水号 ");  
            cell = row.createCell(1);  
            cell.setCellValue("微信名 ");  
            cell = row.createCell(2);  
            cell.setCellValue("微信订单号");  
            cell = row.createCell(3);  
            cell.setCellValue("消费时间");  
            cell = row.createCell(4);  
            cell.setCellValue("消费类型");  
            cell = row.createCell(5);  
            cell.setCellValue("剩余积分 ");  
            cell = row.createCell(6);  
            cell.setCellValue("新增积分 ");  
            cell = row.createCell(7);  
            cell.setCellValue("扣除积分 ");  
            cell = row.createCell(8);  
            cell.setCellValue("消费金额");  
            cell = row.createCell(9);  
            cell.setCellValue("支付方式");  
            cell = row.createCell(10);  
            cell.setCellValue("支付状态 ");  
            cell = row.createCell(11);  
            cell.setCellValue("钱包原始金额");  
            cell = row.createCell(12);  
            cell.setCellValue("钱包扣除金额");  
            cell = row.createCell(13);  
            cell.setCellValue("钱包剩余金额");  
              
            XSSFRow rows;  
            XSSFCell cells;  
            for (int i = 0; i < list.size(); i++) {  
                // 第三步：在这个sheet页里创建一行  
                rows = sheet.createRow(i+1);  
                // 第四步：在该行创建一个单元格  
                cells = rows.createCell(0);  
                // 第五步：在该单元格里设置值  
                cells.setCellValue(list.get(i).getConsumeId());  
                  
                cells = rows.createCell(1);  
                cells.setCellValue(list.get(i).getName());  
                cells = rows.createCell(2);  
                cells.setCellValue(list.get(i).getOrderNumber());  
                cells = rows.createCell(3);  
                cells.setCellValue(list.get(i).getTime());  
                cells = rows.createCell(4);  
                if (list.get(i).getConsumeType() == 2) {  
                    cells.setCellValue("酒水零食费");  
  
                } else {  
                    cells.setCellValue("报名费");  
                }  
                cells = rows.createCell(5);  
                cells.setCellValue(list.get(i).getIntegral());  
                cells = rows.createCell(6);  
                cells.setCellValue(list.get(i).getIntegralIn());  
                cells = rows.createCell(7);  
                cells.setCellValue(list.get(i).getIntegralOut());  
                cells = rows.createCell(8);  
                cells.setCellValue(list.get(i).getMoney());  
                cells = rows.createCell(9);  
                if (list.get(i).getPayment() == 2) {  
                    cells.setCellValue("积分抵现");  
                } else if (list.get(i).getPayment() == 3) {  
                    cells.setCellValue("微信支付");  
                } else if (list.get(i).getPayment() == 4) {  
                    cells.setCellValue("现金");  
                } else if (list.get(i).getPayment() == 1) {  
                    cells.setCellValue("钱包");  
                }  
                cells = rows.createCell(10);  
                if (list.get(i).getStatus() == 2) {  
                    cells.setCellValue("已支付");  
                } else if (list.get(i).getStatus() == 1) {  
                    cells.setCellValue("未支付");  
                }  
                cells = rows.createCell(11);  
                cells.setCellValue(list.get(i).getWalletOriginal());  
                cells = rows.createCell(12);  
                cells.setCellValue(list.get(i).getWalletOut());  
                cells = rows.createCell(13);  
                cells.setCellValue(list.get(i).getWalletSurplus());  
            }  
                  
                try {  
                    OutputStream out = response.getOutputStream();  
                    wb.write(out);  
                    out.close();  
                    wb.close();  
                } catch (IOException e) {  
                    // TODO Auto-generated catch block  
                    e.printStackTrace();  
                }  
  
    }  
}</span>  

摘抄原文：https://blog.csdn.net/xiaoyangsavvy/article/details/80239210

摘抄:java查询数据导出excel并返回给浏览器下载

标签：cli   val   tde   body   public   i+1   utf-8   nbsp   col   

原文地址：https://www.cnblogs.com/ysySelf/p/10304377.html