导出Excel

文件导出Excel格式：
依赖：

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

void exportPlan(Plan plan);
@Override

public void exportPlan(Plan plan) {
    PlanExample example = new PlanExample();
    PlanExample.Criteria criteria = example.createCriteria();
    if(BlankUtil.IsNotBlank(plan.getSender())){
        criteria.andSenderEqualTo(plan.getSender());
    }
    if(BlankUtil.IsNotBlank(plan.getReceiver())){
        criteria.andSenderEqualTo(plan.getReceiver());
    }

   planMapper.selectByExample(example);
} 

@RequestMapping(“exportPlan”)

public void exportPlan(Plan plan, HttpServletResponse response) throws IOException {
//新建一个Excel
    HSSFWorkbook workbook = new HSSFWorkbook();
    //创建建一个sheet
    Sheet sheet = workbook.createSheet();
    //创建建一行
    Row row = sheet.createRow(0);
    Cell cell0 = row.createCell(0);
    Cell cell1 = row.createCell(1);
    Cell cell2 = row.createCell(2);
    Cell cell3 = row.createCell(3);
    Cell cell4 = row.createCell(4);
    Cell cell5 = row.createCell(5);
    Cell cell6 = row.createCell(6);
    cell0.setCellValue("id");
    cell1.setCellValue("senduname");
    cell2.setCellValue("senddname");
    cell3.setCellValue("sender");
    cell4.setCellValue("receiveuname");
    cell5.setCellValue("receivedname");
    cell6.setCellValue("receiver");

//遍历列表，并填充表格
List planList = planService.getPlan(plan);
for (int i = 0; i < planList.size(); i++) {
Plan plan1 = planList.get(i);
Row row1 = sheet.createRow(i + 1);
row1.createCell(0).setCellValue(plan1.getId());
row1.createCell(1).setCellValue(plan1.getSenduname());
row1.createCell(2).setCellValue(plan1.getSenddname());
row1.createCell(3).setCellValue(plan1.getSender());
row1.createCell(4).setCellValue(plan1.getReceiveuname());
row1.createCell(5).setCellValue(plan1.getReceivedname());
row1.createCell(6).setCellValue(plan1.getReceiver());

    }
    ServletOutputStream out = response.getOutputStream();
    response.setHeader("Content-Disposition", "attachment;filename=工作计划.xls");
    workbook.write(out);
    out.flush();
    out.close();
} |  |

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