package com.cowr.ssjygl.prepay;

import com.cowr.common.enums.OrderTypeEnum;
import com.cowr.common.utils.DateTimeUtil;
import com.cowr.model.*;
import com.cowr.ssjygl.CacheData;
import com.cowr.common.Const;
import com.cowr.common.utils.DataUtil;
import com.cowr.common.view.PageParam;
import com.cowr.common.enums.OrderStateEnum;
import com.cowr.ssjygl.customer.receiver.CustomerReceiverService;
import com.cowr.ssjygl.order.ordercluster.truck.OrderclusterTruckService;
import com.cowr.ssjygl.prepay.prepaycustomer.PrepayCustomerService;
import com.jfinal.kit.StrKit;
import com.jfinal.log.Log;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Page;
import com.jfinal.plugin.activerecord.Record;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;

public class PrepayService {
    private static Log           log = Log.getLog(PrepayService.class);
    public static  PrepayService me  = new PrepayService();

    /**
     * 预付费用户列表
     *
     * @param pp          分页参数
     * @param name        客户名称
     * @param customer_id 客户id
     * @param stm         开始时间
     * @param etm         截止时间
     * @param start       开始金额
     * @param end         截止金额
     * @return
     */
    public Page<Record> find(PageParam pp, String name, Integer customer_id, String stm, String etm, Double start, Double end) {
        String selectsql = " select p.*, c.name customer_name, c.address, c.texpayer_name, c.texpayer_num, c.memo, pc.surplus, s.name supermarket_name \n";
        String fromsql = " from ( \n" +
                "     select t.customer_id, t.supermarket_id, max(t.create_time) maxtm, max(t.id) maxid from prepay_detail t  \n" +
                "     where t.state = 2 \n" +
                "     group by t.customer_id, t.supermarket_id\n" +
                " ) a \n" +
                " left join prepay_detail p on p.id = a.maxid \n" +
                " left join customer c on c.id = p.customer_id \n" +
                " left join prepay_customer pc on pc.customer_id = p.customer_id \n" +
                " left join supermarket s on s.id = a.supermarket_id\n" +
                " where 1 = 1";
        List<Object> paraList = new ArrayList<>();

        if (StrKit.notBlank(name)) {
            fromsql += " and c.name like ?  \n";
            paraList.add("%" + name + "%");
        }

        if (customer_id != null) {
            fromsql += " and a.customer_id = ?  \n";
            paraList.add(customer_id);
        }

        if (StrKit.notBlank(stm)) {
            fromsql += " and p.create_time >= ?";
            paraList.add(stm);
        }

        if (StrKit.notBlank(etm)) {
            fromsql += " and p.create_time <= ?";
            paraList.add(etm);
        }

        if (start != null) {
            fromsql += " and pc.surplus >= ?";
            paraList.add(start);
        }

        if (end != null) {
            fromsql += " and pc.surplus <= ?";
            paraList.add(end);
        }

        String totalRowSql = "select count(*) " + fromsql;
        String findSql     = selectsql + fromsql;

        // 前端传了排序字段，并且排序字段存在相关表中
        if (StrKit.notBlank(pp.getSort_field()) &&
                (PrepayDetail.dao.hasColunm(pp.getSort_field()) || Customer.dao.hasColunm(pp.getSort_field()))
        ) {
            findSql += " order by p." + pp.getSort_field() + " is null, p." + pp.getSort_field();

            if (Const.ORDER_BY_ASC.equals(pp.getSort_order())) {
                findSql += " " + Const.ORDER_BY_ASC;
            } else {
                findSql += " " + Const.ORDER_BY_DESC;
            }
        } else {
            findSql += " order by p.change_time desc";
        }

        return Db.paginateByFullSql(pp.getPage(), pp.getSize(), totalRowSql, findSql, paraList.toArray());
    }

    public Record prepayInfo(Ordercluster ordercluster, Transport transport) {
        if(ordercluster == null || transport == null) {
            return null;
        }

        Customer customer = Customer.dao.findById(ordercluster.getCustomerId());

        if (customer == null) {
            return null;
        }

        if (customer.getType() == 0) {
            log.error("当前用户不是预付用户 customer id " + customer.getId());
            return null;
        }

        PrepayCustomer prepayCustomer = PrepayCustomerService.me.getPrepayCustomer(customer.getId());

        if (prepayCustomer == null) {
            log.debug("未找到预付费信息 %s, %s" + customer.getId() + ", " + transport.getSupermarketId());
            return null;
        }

        PrepayDetail pd = PrepayDetail.dao.findFirst(
                "select * from prepay_detail t where t.customer_id = ?  \n" +
                        " order by t.create_time desc limit 0,1", customer.getId());

        if (pd == null) {
            return null;
        }

        Record out = new Record();

        out.set("prepay_truck", true);
        out.set("prepay_threshold", prepayCustomer.getThreshold());
        out.set("prepay_truck_type", OrderTypeEnum.TEMP.getTypeid()); // 浠水固定只有外销
        out.set("prepay_customer_id", customer.getId());
        out.set("prepay_customer_name", customer.getName());
        out.set("prepay_contact_name", pd.getContactName());
        out.set("prepay_contact_phone", pd.getContactPhone());
        out.set("prepay_surplus", prepayCustomer.getSurplus());
        out.set("prepay_customer", customer);
        out.set("prepay_customer_info", prepayCustomer);
        out.set("prepay_customer_invoice_type", customer.getInvoiceType()); // 客户发票类型

        return out;
    }

    /**
     * 消费查询
     *
     * @param customer_id
     * @param supermarket_id
     * @param stm
     * @param etm
     * @return
     */
    public List<Record> consumption(Integer customer_id, Integer supermarket_id, String stm, String etm, String truck_license) {
        String sale_sql = "     select t.sn, t.supermarket_id, t.truck_license, t.weight, t.total_price, t.paid, t.customer_id, t.customer_name \n" +
                "     from order_sale t \n" +
                "     left join customer c on c.id = t.customer_id \n" +
                "     where t.state = ? \n" +
                "         and t.isprepaid = 1 \n" +
                "         and t.prepay_customer_id is not null \n" +
                "         and t.create_time >= ? \n" +
                "         and t.create_time <= ? \n";
        String temp_sql = "     select t.sn, t.supermarket_id, t.truck_license, t.weight, t.total_price, t.paid, t.customer_id, t.customer_name \n" +
                "     from order_temp t \n" +
                "     where t.state = ? \n" +
                "         and t.isprepaid = 1 \n" +
                "         and t.prepay_customer_id is not null \n" +
                "         and t.create_time >= ? \n" +
                "         and t.create_time <= ? \n";

        List<Object> saleList = new ArrayList<>();
        List<Object> tempList = new ArrayList<>();

        saleList.add(OrderStateEnum.RECEIVED.getStateid());
        saleList.add(stm);
        saleList.add(etm);

        tempList.add(OrderStateEnum.RECEIVED.getStateid());
        tempList.add(stm);
        tempList.add(etm);

        if (supermarket_id != null && supermarket_id > 0) {
            sale_sql += " and t.supermarket_id = ?";
            saleList.add(supermarket_id);

            temp_sql += " and t.supermarket_id = ?";
            tempList.add(supermarket_id);
        }

        if (customer_id != null && customer_id > 0) {
            sale_sql += " and t.customer_id = ?";
            saleList.add(customer_id);

            temp_sql += " and t.customer_id = ?";
            tempList.add(customer_id);
        }

        if (StrKit.notBlank(truck_license)) {
            sale_sql += " and t.truck_license like ?";
            saleList.add("%" + truck_license + "%");

            temp_sql += " and t.truck_license like ?";
            tempList.add("%" + truck_license + "%");
        }

        String sql = "select a.sn \n" +
                "     ,p.order_sn \n" +
                "     ,p.arrive_time \n" +
                "     ,p.type \n" +
                "     ,a.supermarket_id \n" +
                "     ,s.`name` supermarket_name \n" +
                "     ,a.truck_license \n" +
                "     ,a.weight \n" +
                "     ,a.total_price \n" +
                "     ,a.paid \n" +
                "     ,a.customer_id \n" +
                "     ,a.customer_name \n" +
                " from ( \n" + sale_sql +
                "     union \n" + temp_sql +
                "     ) a \n" +
                " left join supermarket s on s.id = a.supermarket_id \n" +
                " left join transport p on p.order_sn = a.sn " +
                " where 1 = 1 \n";

        List<Object> paraList = new ArrayList<>();
        paraList.addAll(saleList);
        paraList.addAll(tempList);

        return Db.find(sql, paraList.toArray());
    }

    public Workbook consumptionExport(Integer customer_id, Integer supermarket_id, String stm, String etm, String truck_license) {
        Customer customer = Customer.dao.findById(customer_id);
        String   cname    = "";

        if (customer != null) {
            cname = customer.getName();
        }

        List<Record> list = consumption(customer_id, supermarket_id, stm, etm, truck_license);

        list.sort(new Comparator<Record>() {
            public int compare(Record o1, Record o2) {
                long d1 = o1.getDate("arrive_time").getTime();
                long d2 = o2.getDate("arrive_time").getTime();

                if (d1 > d2) {
                    return 1;
                } else if (d1 == d2) {
                    return 0;
                }

                return -1;
            }
        });

        Workbook wb    = new XSSFWorkbook();
        Sheet    sheet = wb.createSheet(cname + " 消费记录");

        // 标题 start
        Font font = wb.createFont();
        font.setBold(true);
        font.setFontHeight((short) (18 * 20));
        font.setFontName("宋体");
        CellStyle cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        Row  row  = sheet.createRow(0);
        Cell cell = row.createCell(0);
        cell.setCellValue(CacheData.print_vendor);
        row.setHeight((short) (40 * 20)); // POI中的行高单位是twips（缇） ,Office Excel行高单位是pt（磅） 设置的行高，单位为1/20pt
        cell.setCellStyle(cellStyle);
        // 标题 end

        // 副标题 start
        String subtitle = cname;
        try {
            subtitle += DateTimeUtil.sdfymd.get().format(DateTimeUtil.sdfhms.get().parse(stm)) + " ~ " + DateTimeUtil.sdfymd.get().format(DateTimeUtil.sdfhms.get().parse(etm));
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        subtitle += "消费记录";
        font = wb.createFont();
        font.setFontHeight((short) (12 * 20));
        font.setFontName("宋体");
        cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        row = sheet.createRow(1);
        row.setHeight((short) (28 * 20));
        cell = row.createCell(0);
        cell.setCellValue(subtitle);
        cell.setCellStyle(cellStyle);
        // 副标题 end

        // 设置表头
        // 表头 start
        font      = wb.createFont();
        cellStyle = wb.createCellStyle();
        font.setFontHeight((short) (10 * 20));
        font.setFontName("宋体");
        cellStyle.setBorderBottom(BorderStyle.THIN);
        cellStyle.setBorderLeft(BorderStyle.THIN);
        cellStyle.setBorderTop(BorderStyle.THIN);
        cellStyle.setBorderRight(BorderStyle.THIN);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中
        cellStyle.setFont(font);

        row = sheet.createRow(2);
        int a = 0;
        row.createCell(a++).setCellValue("单号");
        row.createCell(a++).setCellValue("时间");
        row.createCell(a++).setCellValue("砂站");
        row.createCell(a++).setCellValue("车牌号");
        row.createCell(a++).setCellValue("购买量(吨)");
        row.createCell(a++).setCellValue("金额");
        // 表头 end

        int    end_col    = 5;
        int    datalen    = list.size();
        double sum_weight = 0.0;
        double sum_price  = 0.0;

        for (int i = 0; i < datalen; i++) {
            Record record = list.get(i);

            sum_weight += DataUtil.getDefaultByRecord(record, "weight");
            sum_price += DataUtil.getDefaultByRecord(record, "total_price");

            row = sheet.createRow(i + 3);
            a   = 0;
            row.createCell(a++).setCellValue(record.getStr("sn"));
            row.createCell(a++).setCellValue(DateTimeUtil.sdfhms.get().format(record.getDate("arrive_time")));
            row.createCell(a++).setCellValue(record.getStr("supermarket_name"));
            row.createCell(a++).setCellValue(record.getStr("truck_license"));
            row.createCell(a++).setCellValue(DataUtil.getDefaultByRecord(record, "weight"));
            row.createCell(a++).setCellValue(DataUtil.getDefaultByRecord(record, "total_price"));
        }

        // 合计 start
        row = sheet.createRow(datalen + 3);
        a   = 0;
        row.createCell(a++).setCellValue("合计");
        row.createCell(a++).setCellValue("");
        row.createCell(a++).setCellValue("");
        row.createCell(a++).setCellValue("");
        row.createCell(a++).setCellValue(sum_weight);
        row.createCell(a++).setCellValue(sum_price);
        // 合计 end

        // 设置列宽
        sheet.setColumnWidth(0, (int) ((12.5 + 0.71) * 256));
        sheet.setColumnWidth(1, (int) ((20.5 + 0.71) * 256));
        sheet.setColumnWidth(2, (int) ((12.5 + 0.71) * 256));
        sheet.setColumnWidth(3, (int) ((8 + 0.71) * 256));
        sheet.setColumnWidth(4, (int) ((10 + 0.71) * 256));
        sheet.setColumnWidth(5, (int) ((6 + 0.71) * 256));

        // 设置通用单元格格式
        for (int r = 2; r < datalen + 4; r++) {
            row = sheet.getRow(r);
            if (row == null) {
                row = sheet.createRow(r);
            }

            for (int c = 0; c < end_col + 1; c++) {
                cell = row.getCell(c);

                if (cell == null) {
                    cell = row.createCell(c);
                }
                cell.setCellStyle(cellStyle);
            }
        }

        font = wb.createFont();
        font.setFontHeight((short) (10 * 20));
        font.setFontName("宋体");
        cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        row = sheet.createRow(datalen + 4);
        row.setHeight((short) (28 * 20));
        cell = row.createCell(0);
        cell.setCellValue("统计人签名:");
        cell.setCellStyle(cellStyle);
        cell = row.createCell(3);
        cell.setCellValue("复核人签名:");
        cell.setCellStyle(cellStyle);

        sheet.addMergedRegion(new CellRangeAddress(datalen + 4, datalen + 4, 0, 1));// 下标从0开始 起始行号，终止行号， 起始列号，终止列号
        sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, end_col));// 下标从0开始 起始行号，终止行号， 起始列号，终止列号
        sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, end_col));// 下标从0开始 起始行号，终止行号， 起始列号，终止列号

        // 每页打印表头
        sheet.setRepeatingRows(new CellRangeAddress(0, 2, -1, -1));//前两位数是设置需要重复打印的行的范围，后两位设置重复打印的列的范围。-1代表不重复打印。用于表头表头换页重复打印

        wb.setPrintArea(
                0, //sheet index
                0, //start column
                end_col, //end column
                0, //start row
                sheet.getLastRowNum()  //end row
        );

        return wb;
    }

    /**
     * 客户流水
     *
     * @return
     */
    public List<Record> flow(Integer customer_id, String stm, String etm) {
        String sql = "select * from ( \n" +
                "    select a.sn id, p.arrive_time tm, 0 - a.total_price amount, '扣费' type, \n" +
                "        case when a.paid > 0 then concat('补差额', a.paid) else '' end memo, a.customer_id, a.customer_name \n" +
                "        from ( \n" +
                "        select t.sn, t.total_price, t.paid, t.customer_id, t.customer_name \n" +
                "            from order_sale t \n" +
                "        where t.isprepaid = 1 \n" +
                "            and t.state = ? \n" +
                "            and t.prepay_customer_id is not null\n" +
                "            and t.create_time >= ? \n" +
                "            and t.create_time <= ? \n" +
                "        union \n" +
                "        select t.sn, t.total_price, t.paid, t.customer_id, t.customer_name\n" +
                "            from order_temp t \n" +
                "        where t.isprepaid = 1 \n" +
                "            and t.state = ? \n" +
                "            and t.prepay_customer_id is not null\n" +
                "            and t.create_time >= ? \n" +
                "            and t.create_time <= ? \n" +
                "    ) a \n" +
                "    left join transport p on p.order_sn = a.sn \n" +
                "    union \n" +
                "    select concat('prepay_detail_', t.id) id, t.verify_time tm, t.amount, '付费' type, '' memo, c.id customer_id, c.name customer_name \n" +
                "        from prepay_detail t \n" +
                "        left join customer c on c.id = t.customer_id \n" +
                "    where t.state = 2 \n" +
                "        and t.verify_time >= ? \n" +
                "        and t.verify_time <= ? \n" +
                "     \n" +
                "    union \n" +
                "    select concat('refund_detail_', t.id) id, t.verify_time tm, 0 - t.amount amount, '退费' type, '' memo, c.id customer_id, c.name customer_name \n" +
                "        from refund_detail t \n" +
                "        left join customer c on c.id = t.customer_id \n" +
                "    where t.state = 3 \n" + // 退费有三个状态
                "        and t.verify_time >= ? \n" +
                "        and t.verify_time <= ? \n" +
                " ) b \n" +
                " where 1=1 ";

        List<Object> paraList = new ArrayList<>();

        paraList.add(OrderStateEnum.RECEIVED.getStateid());
        paraList.add(stm);
        paraList.add(etm);

        paraList.add(OrderStateEnum.RECEIVED.getStateid());
        paraList.add(stm);
        paraList.add(etm);

        paraList.add(stm);
        paraList.add(etm);

        paraList.add(stm);
        paraList.add(etm);

        if (customer_id != null && customer_id > 0) {
            sql += " and b.customer_id = ? \n";
            paraList.add(customer_id);
        }

        sql += " order by b.tm desc";

        return Db.find(sql, paraList.toArray());
    }

    public Workbook flowExport(Integer customer_id, String stm, String etm) {
        Customer customer = Customer.dao.findById(customer_id);
        String   cname    = "";

        if (customer != null) {
            cname = customer.getName();
        }

        List<Record> list = flow(customer_id, stm, etm);

        list.sort(new Comparator<Record>() {
            public int compare(Record o1, Record o2) {
                long d1 = o1.getDate("tm").getTime();
                long d2 = o2.getDate("tm").getTime();

                if (d1 > d2) {
                    return 1;
                } else if (d1 == d2) {
                    return 0;
                }

                return -1;
            }
        });

        Workbook wb    = new XSSFWorkbook();
        Sheet    sheet = wb.createSheet(cname + " 流水");

        // 标题 start
        Font font = wb.createFont();
        font.setBold(true);
        font.setFontHeight((short) (18 * 20));
        font.setFontName("宋体");
        CellStyle cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        Row  row  = sheet.createRow(0);
        Cell cell = row.createCell(0);
        cell.setCellValue(CacheData.print_vendor);
        row.setHeight((short) (40 * 20)); // POI中的行高单位是twips（缇） ,Office Excel行高单位是pt（磅） 设置的行高，单位为1/20pt
        cell.setCellStyle(cellStyle);
        // 标题 end

        // 副标题 start
        String subtitle = cname;
        try {
            subtitle += DateTimeUtil.sdfymd.get().format(DateTimeUtil.sdfhms.get().parse(stm)) + " ~ " + DateTimeUtil.sdfymd.get().format(DateTimeUtil.sdfhms.get().parse(etm));
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        subtitle += "资金流水";
        font = wb.createFont();
        font.setFontHeight((short) (12 * 20));
        font.setFontName("宋体");
        cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        row = sheet.createRow(1);
        row.setHeight((short) (28 * 20));
        cell = row.createCell(0);
        cell.setCellValue(subtitle);
        cell.setCellStyle(cellStyle);
        // 副标题 end

        // 设置表头
        // 表头 start
        font      = wb.createFont();
        cellStyle = wb.createCellStyle();
        font.setFontHeight((short) (10 * 20));
        font.setFontName("宋体");
        cellStyle.setBorderBottom(BorderStyle.THIN);
        cellStyle.setBorderLeft(BorderStyle.THIN);
        cellStyle.setBorderTop(BorderStyle.THIN);
        cellStyle.setBorderRight(BorderStyle.THIN);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中
        cellStyle.setFont(font);

        row = sheet.createRow(2);
        int a = 0;
        row.createCell(a++).setCellValue("时间");
        row.createCell(a++).setCellValue("操作");
        row.createCell(a++).setCellValue("金额");
        row.createCell(a++).setCellValue("备注");
        // 表头 end

        int    end_col   = 3;
        int    datalen   = list.size();
        double sum_price = 0.0;

        for (int i = 0; i < datalen; i++) {
            Record record = list.get(i);

            sum_price += DataUtil.getDefaultByRecord(record, "amount");

            row = sheet.createRow(i + 3);
            a   = 0;
            row.createCell(a++).setCellValue(DateTimeUtil.sdfhms.get().format(record.getDate("tm")));
            row.createCell(a++).setCellValue(record.getStr("type"));
            row.createCell(a++).setCellValue(DataUtil.getDefaultByRecord(record, "amount"));
            row.createCell(a++).setCellValue(record.getStr("memo"));
        }

        // 合计 start
        row = sheet.createRow(datalen + 3);
        a   = 0;
        row.createCell(a++).setCellValue("合计");
        row.createCell(a++).setCellValue("");
        row.createCell(a++).setCellValue(sum_price);
        // 合计 end

        // 设置列宽
        sheet.setColumnWidth(0, (int) ((20 + 0.71) * 256));
        sheet.setColumnWidth(1, (int) ((20 + 0.71) * 256));
        sheet.setColumnWidth(2, (int) ((20 + 0.71) * 256));
        sheet.setColumnWidth(3, (int) ((20 + 0.71) * 256));

        // 设置通用单元格格式
        for (int r = 2; r < datalen + 4; r++) {
            row = sheet.getRow(r);
            if (row == null) {
                row = sheet.createRow(r);
            }

            for (int c = 0; c < end_col + 1; c++) {
                cell = row.getCell(c);

                if (cell == null) {
                    cell = row.createCell(c);
                }
                cell.setCellStyle(cellStyle);
            }
        }

        font = wb.createFont();
        font.setFontHeight((short) (10 * 20));
        font.setFontName("宋体");
        cellStyle = wb.createCellStyle();
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直居中

        row = sheet.createRow(datalen + 4);
        row.setHeight((short) (28 * 20));
        cell = row.createCell(0);
        cell.setCellValue("统计人签名:");
        cell.setCellStyle(cellStyle);
        cell = row.createCell(2);
        cell.setCellValue("复核人签名:");
        cell.setCellStyle(cellStyle);

        sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, end_col));// 下标从0开始 起始行号，终止行号， 起始列号，终止列号
        sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, end_col));// 下标从0开始 起始行号，终止行号， 起始列号，终止列号

        // 每页打印表头
        sheet.setRepeatingRows(new CellRangeAddress(0, 2, -1, -1));//前两位数是设置需要重复打印的行的范围，后两位设置重复打印的列的范围。-1代表不重复打印。用于表头表头换页重复打印

        wb.setPrintArea(
                0, //sheet index
                0, //start column
                end_col, //end column
                0, //start row
                sheet.getLastRowNum()  //end row
        );

        return wb;
    }

    // TODO: 客户流水 和 预付费车辆记录 这两个功能，对应的数据，都应该是该用户第一次预付费记录之后的订单记录
}