Excel导入文件到数据库

<!-- poi -->
<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi</artifactId>
  <version>3.17</version>
  <exclusions>
    <exclusion>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
    </exclusion>
  </exclusions>
</dependency>
<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi-ooxml</artifactId>
  <version>3.17</version>
  <exclusions>
    <exclusion>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
    </exclusion>
  </exclusions>
</dependency>

public HashMap<String, Boolean> excelComplaintinfoUpload(MultipartFile files) throws IOException, MyException {
    HashMap<Object, Object> resultMap = new HashMap<>();
    InputStream inputStream = files.getInputStream();
    String fileName = files.getOriginalFilename();
    Workbook book=null;
    if(fileName.endsWith("xlsx")){
        book = new XSSFWorkbook(inputStream);
    }else if(fileName.endsWith("XLSX")){
        book = new HSSFWorkbook(inputStream);
    }else{
        resultMap.put("success", false);
        resultMap.put("msg", "文件格式有误！");
    }
    if (book!=null){
        //第一个工作簿
        Sheet sheet = book.getSheetAt(0);
        List<ComplaintInfo> complaintInfos= convert(sheet);
        int i=0;
        if (i>0){
            return ReturnResult.json(i);
        }

    }
    return null;
}

private List<ComplaintInfo> convert(Sheet sheet){
    List<ComplaintInfo> complaintInfoList = new ArrayList<>();
    for (int i = 1; i <= sheet.getLastRowNum() ; i++) {
        Row row = sheet.getRow(i);

        ComplaintInfo complaintInfo = new ComplaintInfo();

        Iterator<Cell> iterator = row.cellIterator();
        
        while (iterator.hasNext()){
            Cell cell = iterator.next();
            int columnIndex = cell.getColumnIndex();

            if (cell.getColumnIndex() == 0){
                cell.setCellType(CellType.STRING);
                String stringCellValue = cell.getStringCellValue();
                //投诉人
                complaintInfo.setComplaintName(stringCellValue);
            }
            if(cell.getColumnIndex() == 1){
                //第二列,类型设置为string，然后赋值给name
                cell.setCellType(CellType.STRING);
                String stringCellValue = cell.getStringCellValue();
             
                complaintInfo.setComplaintCardid(stringCellValue);
            }
            if(cell.getColumnIndex() == 2){
                //第二列,类型设置为string，
                cell.setCellType(CellType.STRING);
    
                complaintInfo.setTyshCode(cell.getStringCellValue());
            }

            if(cell.getColumnIndex() == 3){
                cell.setCellType(CellType.STRING);
                //投诉人电话
                complaintInfo.setComplaintPhone(cell.getStringCellValue());

            }

            if(cell.getColumnIndex() == 4){
                cell.setCellType(CellType.STRING);
                //投诉标题
                complaintInfo.setComplainTitle(cell.getStringCellValue());

            }

            if(cell.getColumnIndex() == 5){
                cell.setCellType(CellType.STRING);
                //投诉描述

                complaintInfo.setComplaintDesc(cell.getStringCellValue());
            }
            if(cell.getColumnIndex() == 6){
                cell.setCellType(CellType.STRING);
                //来源渠道
                complaintInfo.setChannel(cell.getStringCellValue());

            }
          

            this.complaintInfoMapper.insertSelective(complaintInfo);
        }
        complaintInfoList.add(complaintInfo);
    }
    return  complaintInfoList;
}

Excel导入文件到数据库

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