QingLong/src/main/java/Tools/MaxKb/GenerateQA_1.java

package Tools.MaxKb;

import com.dsideal.QingLong.Util.ExcelCommonUtil;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.*;

public class GenerateQA_1 {

    public static void main(String[] args) throws IOException {
        //数据源
        String source = "D:\\dsWork\\QingLong\\Doc\\MaxKB\\各学校人员和班级统计.xlsx";
        //模板
        String template = "D:\\dsWork\\QingLong\\Doc\\MaxKB\\excel模版.xlsx";
        //结果
        String target = source.replace(".xlsx", "【结果】.xlsx");

        //模板读取
        FileInputStream fTemplate = new FileInputStream(template);
        Workbook wbTemplate = new XSSFWorkbook(fTemplate);
        Sheet sheetTemplate = wbTemplate.getSheetAt(0);// 获取第一个工作表
        CellStyle style = ExcelCommonUtil.getCellStyle(wbTemplate);//单元格样式

        //源文件
        FileInputStream fSource = new FileInputStream(source);
        Workbook wbSource = new XSSFWorkbook(fSource);
        Sheet sheetSource = wbSource.getSheetAt(0);// 获取第一个工作表

        //1、一共有哪些区
        Set<String> areaSet = new HashSet<>();
        for (int i = 1; i < sheetSource.getLastRowNum(); i++) {//放过表头
            Row row = sheetSource.getRow(i);
            String jyj = ExcelCommonUtil.getStringValue(row.getCell(1));//教育局
            areaSet.add(jyj);
        }

        //2、记录每个区下有多少个学校,多少个班级,多少个教师,多少个专任教师
        Map<String, List<String>> areaMap = new HashMap<>();
        for (int i = 1; i < sheetSource.getLastRowNum(); i++) {//放过表头
            Row row = sheetSource.getRow(i);
            String schoolName = ExcelCommonUtil.getStringValue(row.getCell(0));//学位名称
            String jyjName = ExcelCommonUtil.getStringValue(row.getCell(1));//教育局
            String classCount = ExcelCommonUtil.getStringValue(row.getCell(2));//班级数量
            String studentCount = ExcelCommonUtil.getStringValue(row.getCell(3));//学生数量
            String teacherCount = ExcelCommonUtil.getStringValue(row.getCell(4));//教师数量
            String zhuanRenCount = ExcelCommonUtil.getStringValue(row.getCell(5));//专任教师数量

            List<String> list = new ArrayList<>();
            if (areaMap.containsKey(jyjName)) {
                list = areaMap.get(jyjName);
            }
            list.add("学校名称：" + schoolName + ",所属教育局：" + jyjName + ",班级数量：" + classCount + ",学生数量：" + studentCount + ",教师数量：" + teacherCount + ",专任教师数量：" + zhuanRenCount + ";");
            areaMap.put(jyjName, list);
        }
        //将数据写入到EXCEL
        for (int i = 0; i < areaSet.size(); i++) {
            String area = areaSet.toArray()[i].toString();
            Row row = sheetTemplate.getRow(i + 1);  // 放过表头
            if (row == null) {
                row = sheetTemplate.createRow(i + 1);//创建行
            }
            //(1)问题名称
            Cell cell = row.getCell(0);
            if (cell == null) {
                cell = row.createCell(0);
            }
            cell.setCellValue(area + "下的学校列表");
            cell.setCellStyle(style);

            //(2)回答
            cell = row.getCell(1);
            if (cell == null) {
                cell = row.createCell(1);
            }

            String content = "";
            for (String s : areaMap.get(area)) {
                content = content + s;
            }
            //学校数量
            content = content + ",学校总数:" + areaMap.get(area).size() + "个。" + "\n";

            cell.setCellValue(content);
            cell.setCellStyle(style);

            //(3)可选问题名称
            cell = row.getCell(2);
            if (cell == null) {
                cell = row.createCell(2);
            }
            cell.setCellValue(area + "下的学校列表");
            cell.setCellStyle(style);
        }
        // 保存文件
        FileOutputStream fileOut = new FileOutputStream(target);
        wbTemplate.write(fileOut);

        //关闭文件
        fSource.close();
        wbSource.close();

        System.out.println("恭喜，所有操作成功完成！");
    }
}