import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
//友情提示这里不要导错包
public void insertexcel() throws IOException, BiffException {
File file = new File("C:/Users/1/Desktop/888.xls");
//从桌面读取文件
Workbook book = Workbook.getWorkbook(file);
Sheet sheet = book.getSheet(0);
for (int i = 1; i < sheet.getRows(); i++) {
MwsFeePreview mwsFeePreview=new MwsFeePreview();
mwsFeePreview.setSellerId("1");
for (int j = 0; j < sheet.getColumns(); j++) {
Cell cell = sheet.getCell(j, i);
//单元格子 j是列 ,i是行
//实体类封装
XXXMapper.insert(mwsFeePreview);
//入库操作,建议使用mybatis plus封装好的insert直接用实体类当参数即可,字段很多时会比较方便。