SXSSF百万数据导出

    
        org.apache.poi
        poi
        4.0.1
    
    
        org.apache.poi
        poi-ooxml
        4.0.1
    
    
        org.apache.poi
        poi-ooxml-schemas
        4.0.1
    

@ApiOperation(“SXSSFWorkbook 百万数据导出”)
@RequestMapping( value = “/SXSSFWorkbook”,method = RequestMethod.GET)
public MelotResult exportMore(HttpServletResponse response) throws IOException {
//2.创建工作簿    
SXSSFWorkbook workbook = new SXSSFWorkbook();
//3.构造sheet
String[] titles = {“编号”, “姓名”, “手机”,“高学历”, “国家地区”, “护照号”,
“籍贯”, “生日”, “属相”,“入职时间”,“离职类型”,“离职原因”,“离职时间”};
Sheet sheet = workbook.createSheet(“sheet1”);
Row row = sheet.createRow(0);

    CellStyle cellStyle = workbook.createCellStyle();
    cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
    cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

    for (int i =0;i<13;i++){
        sheet.setColumnWidth(i, 5000);//设置列的宽度是个字符宽度
    }

    AtomicInteger headersAi = new AtomicInteger();
    for (String title : titles) {
        Cell cell = row.createCell(headersAi.getAndIncrement());
        cell.setCellStyle(cellStyle);
        cell.setCellValue(title);
    }

    AtomicInteger datasAi = new AtomicInteger(1);
    Cell cell = null;
    for(int i =0;i<100;i++){
        for (EmployeeReportResult report : EmployeeReportResult.getBeanList()) {
            Row dataRow = sheet.createRow(datasAi.getAndIncrement());
            //编号
            cell = dataRow.createCell(0);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getUserId());
            //姓名
            cell = dataRow.createCell(1);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getUsername());
            //手机
            cell = dataRow.createCell(2);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getMobile());
            //高学历
            cell = dataRow.createCell(3);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getTheHighestDegreeOfEducation());
            //国家地区
            cell = dataRow.createCell(4);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getNationalArea());
            //护照号
            cell = dataRow.createCell(5);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getPassportNo());
            //籍贯
            cell = dataRow.createCell(6);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getNativePlace());
            //生日
            cell = dataRow.createCell(7);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getBirthday());
            //属相
            cell = dataRow.createCell(8);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getZodiac());
            //入职时间
            cell = dataRow.createCell(9);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getTimeOfEntry());
            //离职类型
            cell = dataRow.createCell(10);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getTypeOfTurnover());
            //离职原因
            cell = dataRow.createCell(11);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getReasonsForLeaving());
            //离职时间
            cell = dataRow.createCell(12);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(report.getResignationTime());
        }
    }
 /*   //6.文件流
    FileOutputStream fos = new FileOutputStream("E:\\test.xlsx");
    //7.写入文件
    workbook.write(fos);
    fos.close();*/
   String fileName = URLEncoder.encode("人员信息.xlsx", "UTF-8");
     response.setContentType("application/octet-stream");
      response.setHeader("content-disposition", "attachment;filename=" + new String(fileName.getBytes("ISO8859-1")));
    workbook.write(response.getOutputStream());
    return  new MelotResult<>("");

}