java备份mysql数据库

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class MySQLBackup {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";
        String backupPath = "backup.sql";

        try (Connection conn = DriverManager.getConnection(url, user, password);
             Statement stmt = conn.createStatement()) {

            // 创建备份文件
            File backupFile = new File(backupPath);
            if (!backupFile.exists()) {
                backupFile.createNewFile();
            }

            // 执行备份命令
            String backupCommand = "mysqldump -u " + user + " -p" + password + " mydatabase > " + backupPath;
            Process process = Runtime.getRuntime().exec(backupCommand);

            // 等待备份完成
            int exitCode = process.waitFor();
            if (exitCode == 0) {
                System.out.println("Backup completed successfully.");
            } else {
                System.out.println("Backup failed.");
            }

        } catch (SQLException | IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}