springboot 조회 조건에 따라 excel 내보내기

            org.apache.poi
            poi-ooxml
            3.17
        

@RestController
@RequestMapping("/adminApi/excel")
public class ExcelController {

    @Resource
    private ExcelService excelService;

    /*
     * 
     * 2018/10/30+
     * dayue
     */
    @RequestMapping(value = "/export")
    public void downloadAllClassmate(@RequestParam(value = "status") String status,
                                     @RequestParam(value = "sex") String sex, @RequestParam(value = "type") String type,
                                     @RequestParam(value = "firstTime") String firstTime, @RequestParam(value = "lastTime") String lastTime,
                                     HttpServletResponse response) throws IOException {
        HSSFWorkbook workbook = new HSSFWorkbook();
        HSSFSheet sheet = workbook.createSheet(" ");
        
        // 
        List classmateList = excelService.selectUser(status,sex,type,firstTime,lastTime);
         
        //    
        String fileName = "User"  + ".xls";// 
        // ， 

        int rowNum = 1;
        
        // （ ）
        String[] headers = {" ", " "};
        //headers excel 

        HSSFRow row = sheet.createRow(0);
        // excel 

        for(int i=0;i

List selectUser(String status,String sex, String type, String firstTime, String lastTime);

@Override
    public List selectUser(String status,String sex, String type, String firstTime, String lastTime){
        return  bpUserMapper.findUser(status,sex,type,firstTime,lastTime);
    }