java操作excel

public void saveWageEmployeeInfo() throws FileNotFoundException {
        //wage_employee_info先刪除M1，M2
        String sqlM1M2 = "delete wage.wage_employee_info where wage_level in('M1','M2')";
        int sqlM1M2Count = wageJobMapper.delSql(sqlM1M2);
        System.out.println("刪除wage.wage_employee_info 包含M1M2的數據"+sqlM1M2Count);
        String time = getMonday();
//        String filename = "D:/微信文件/WeChat Files/Huangpeideng2015/FileStorage/File/2019-12/人員明細表+"+time+".XLSX";
        String filename = "D:\\微信文件\\WeChat Files\\Huangpeideng2015\\FileStorage\\File\\2019-12\\12.13\\12.13\\人員明細表+20191216.XLSX";
        FileInputStream in = new FileInputStream(filename);
        Workbook wk = StreamingReader.builder()
                .rowCacheSize(10)  //緩存到內存中的行數，默認是10
                .bufferSize(4096)  //讀取資源時，緩存到內存的字節大小，默認是1024
                .open(in);  //打開資

        String sqlEmployeeInfo = "insert into wage.wage_employee_info(employee_nbr,hrms_id,employee_group,employee_subgroup," +
                "wage_range,center_code,major_department_code,major_department,small_department," +
                "functional_group,[group],position_description,wage_level) values";


        String delEmployeeInfo = "delete wage.wage_employee_info\n" +
                "where id in(select min(id)\n" +
                "from wage.wage_employee_info\n" +
                "group by hrms_id\n" +
                "having count(1) >1) or hrms_id = 0 or hrms_id is null";


        String sqlPT = "insert into wage.employee_pt_st_info(hrms_id,wage_level) values";
        String delPT = "delete wage.employee_pt_st_info\n" +
                "where id in(select min(id)\n" +
                "from wage.employee_pt_st_info\n" +
                "group by hrms_id\n" +
                "having count(1) >1) or hrms_id = 0 or hrms_id is null";


        //遍歷工作表
        Sheet sheet = wk.getSheetAt(0);
        int i = 0;
        List<String> containIPT = new ArrayList<>();
        containIPT.add("IH");
        containIPT.add("PH");
        containIPT.add("TH");
        List<String> contain = Arrays.asList("M","M1","M2");
        for (Row row:sheet) {

            if(i>0){
                List<String> list  = new ArrayList<>();
                for(int j=0;j<14;j++){
                    if (j != 2){//排除門店
                        list.add(row.getCell(j).getStringCellValue());
                    }
                }

                if (row.getCell(3).getStringCellValue().equals("學生")&&!contain.contains(row.getCell(13).getStringCellValue())){
                    list.set(12,"IH");
                }
                if (row.getCell(3).getStringCellValue().equals("臨時用工")&&!contain.contains(row.getCell(13).getStringCellValue())){
                    list.set(12,"TH");
                }

                if (row.getCell(11).getStringCellValue()==null||row.getCell(11).getStringCellValue().equals("")){
                    list.set(10,row.getCell(10).getStringCellValue());
                }

                sqlEmployeeInfo += String.format(" \n ('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s'),",list.toArray());
                String wage_level = list.get(12);

                if (containIPT.contains(wage_level)){
                    sqlPT += String.format(" \n ('%s','%s'),",list.get(1),wage_level);
                }

                if (i%1000==0){
                    sqlEmployeeInfo = save2(sqlEmployeeInfo);
                    sqlPT = save(sqlPT);
                }
            }
            i++;

        }

        save2(sqlEmployeeInfo);
        save(sqlPT);

        int delCount = wageJobMapper.delSql(delEmployeeInfo);
        System.out.println("EmployeeInfo去重"+delCount);
        int delCount2 = wageJobMapper.delSql(delPT);
        System.out.println("employee_pt_st_info去重"+delCount2);
        System.out.println("操作完成。。。。。。。。。。");
    }




    private  String save(String sql){
        int  num =  wageJobMapper.addSql(sql.substring(0,sql.length()-1));
        System.out.println(String.format("成功保存%s條信息",num));
        sql = "insert into wage.employee_pt_st_info(hrms_id,wage_level) values";
        return  sql;
    }

    private  String save2(String sql) {
        int num = wageJobMapper.addSql(sql.substring(0, sql.length() - 1));
        System.out.println(String.format("成功保存%s條信息", num));
        sql = "insert into wage.wage_employee_info(employee_nbr,hrms_id,employee_group,employee_subgroup," +
                "wage_range,center_code,major_department_code,major_department,small_department," +
                "functional_group,[group],position_description,wage_level) values";
        return sql;
    }