//第6行开始为数据内容
for (int i = 5; i <= rowNum; i++) {
row = sheet.getRow(i);
//将行数据的每一列set到mobile
mobile.setInCustomerNum(row.getCell(3)+"");
mobile.setJzCustomerNum(row.getCell(4)+"");
mobile.setMountJzCustomerNum(row.getCell(5)+"");
mobile.setYearJzCustomerNum(row.getCell(6)+"");
//向数据库中插入数据
mobileService.add(mobile);
}