baseService/src/main/java/Tools/XT_GenerateMenu.java

package Tools;


import cn.hutool.core.io.file.FileReader;
import cn.hutool.core.io.file.FileWriter;
import com.jfinal.kit.PropKit;
import com.jfinal.plugin.activerecord.ActiveRecordPlugin;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;
import com.jfinal.plugin.druid.DruidPlugin;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

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


public class XT_GenerateMenu {
    //用途：根据Excel为湘潭项目生成菜单
    //办法：用Navicat Prenium的导入功能，将Excel导入到Mysql中，然后针对表进行读取

    /***
     * delete CRLF; delete  empty line ;delete blank lines
     *
     * @param input
     * @return
     */
    private static String deleteCRLFOnce(String input) {
        return input.replaceAll("((\r\n)|\n)[\\s\t ]*(\\1)+", "$1");
    }

    /**
     * delete CRLF; delete  empty line ;delete blank lines
     *
     * @param input
     * @return
     */
    public static String deleteCRLF(String input) {
        input = deleteCRLFOnce(input);
        return deleteCRLFOnce(input);
    }

    public static void main(String[] args) throws IOException {
        //1、配置数据库
        PropKit.use("application.properties");

        String jdbcUrl = "jdbc:mysql://10.10.14.199:22066/xt_db?rewriteBatchedStatements=true&useUnicode=true&zeroDateTimeBehavior=CONVERT_TO_NULL&useSSL=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai";

        DruidPlugin druid = new DruidPlugin(jdbcUrl, "root", "DsideaL147258369", "com.mysql.cj.jdbc.Driver");
        druid.start();
        // 配置ActiveRecord插件
        ActiveRecordPlugin arp = new ActiveRecordPlugin(druid);
        arp.start();
        //读取模板内容
        String level_1_template = "xt_template_level1.txt";
        String level_2_template = "xt_template_level2.txt";
        FileReader f1 = new FileReader(level_1_template);
        String t1 = f1.readString();

        FileReader f2 = new FileReader(level_2_template);
        String t2 = f2.readString();
        //开始读表
        Set<String> _set = new HashSet<>();
        String sql = "select * from t1";
        List<Record> list = Db.find(sql);
        for (Record record : list) {
            _set.add(record.getStr("level_1_name"));
        }
        String result = "";
        for (String level_1_name : _set) {
            String rt1, rt2 = "";
            for (Record record : list) {
                String l1 = record.getStr("level_1_name");
                String l2 = record.getStr("level_2_name");
                String directory = record.getStr("directory");
                //二级名称
                if (l1.equals(level_1_name)) {
                    rt2 = rt2 + t2.replace("{{level_2_name}}", l2).replace("{{level_2_url}}", "./20230323/" + directory + "/index.html");
                }
            }
            //一级名称
            rt1 = t1.replace("{{level_1_name}}", level_1_name).replace("{{level_2_content}}", rt2);
            if (result.length() > 0) result = result + "\n" + rt1;
            else result = rt1;
        }
        //删除空行
//        result = deleteCRLF(result);
        //保存
        FileWriter writer = new FileWriter("c:\\菜单.html");
        writer.write(result);
        System.out.println("恭喜，菜单成功生成！");
    }
}