mysql(31) : java导入sql文件

入口

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.List;

/**
 * @Author: liyue
 * @Date: 2022/04/18/16:05
 * @Description:
 */
public class Init {

    public static void main(String[] args) {
        if (args == null || args.length != 6) {
            System.err.println("参数数量错误,必须为6个,当前为[" + args.length + "]个");
            System.out.println("参数说明:");
            System.out.println("    参数1:mysql的ip");
            System.out.println("    参数2:mysql的端口");
            System.out.println("    参数3:mysql的账号名");
            System.out.println("    参数4:mysql的密码");
            System.out.println("    参数5:sql文件夹绝对路径");
            System.out.println("    参数6:导入的数据库名");
            return;
        }
        System.out.println("准备导入sql,参数信息如下:");
        for (int i = 0; i < args.length; i++) {
            System.out.println("参数[" + (i + 1) + "]:" + args[i]);
        }

        System.out.println("sql文件夹路径为:" + args[4]);
        File file = new File(args[4]);
        if (!file.exists()) {
            System.err.println("sql文件夹路径为空,数据库初始化逻辑终止");
            return;
        }
        File[] files = file.listFiles();
        if (files.length == 0) {
            System.err.println("sql文件夹内文件数量为空,数据库初始化逻辑终止");
            return;
        }
        StringBuffer sb = new StringBuffer();
        System.out.println();
        for (File f : files) {
            String path = f.getPath();
            System.out.println("发现待导入sql文件:" + path);
            sb.append(path).append("\n");
        }
        System.out.println();
        sb.delete(sb.length() - 1, sb.length());
        args[4] = sb.toString();

        Mysql8Instance mysql = new Mysql8Instance(args[0], Integer.parseInt(args[1]), "mysql", args[2], args[3]);
        String database = args[5];
        List> query = mysql.query("show databases;");
        for (List