YunNanDsBase/src/main/java/com/dsideal/base/Tools/Excel/School2019.java

package com.dsideal.base.Tools.Excel;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import cn.idev.excel.*;
import com.dsideal.base.Tools.Excel.Bean.BeanSchool2019;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class School2019 {
    public static void main(String[] args) {
        // 设置 com.alibaba.excel 的日志级别为 INFO
        Logger excelLogger = (Logger) LoggerFactory.getLogger("cn.idev.excel");
        excelLogger.setLevel(Level.INFO);
        String filePath = "D:/dsWork/2025年收集的人口与教育数据库（20250328）/2015-2020年的数据/基础教育/2019.xlsx";
        String sheetName = "基教小学";
        //跳过前7行
        int skipRows = 7;


        // 从第8行开始读取（跳过前7行）
        List<BeanSchool2019> dataList = FastExcel.read(filePath)
                .head(BeanSchool2019.class)
                .sheet(sheetName)
                .headRowNumber(skipRows)  // 跳过前skipRows行
                .doReadSync();

        // 使用 Map 进行分组统计
        Map<String, Map<String, Integer>> cityDistrictMap = new HashMap<>();

        for (BeanSchool2019 data : dataList) {
            if (data.getSchoolCount() > 0) {
                String city = data.getCity();
                String district = data.getDistrict();
                int count = data.getSchoolCount();

                // 如果市不存在，创建新的 Map
                cityDistrictMap.putIfAbsent(city, new HashMap<>());

                // 累加区对应的学校数量
                cityDistrictMap.get(city).merge(district, count, Integer::sum);
            }
        }

        // 输出分组统计结果
        for (Map.Entry<String, Map<String, Integer>> cityEntry : cityDistrictMap.entrySet()) {
            String city = cityEntry.getKey();
            System.out.println("市: " + city);

            for (Map.Entry<String, Integer> districtEntry : cityEntry.getValue().entrySet()) {
                System.out.printf("  区: %s, 学校总数: %d%n",
                        districtEntry.getKey(),
                        districtEntry.getValue());
            }
        }
    }
}