测试jdbc连接类

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class JdbcConnectionTest {
    public static void main(String[] args) {
        String jdbcUrl = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "password";

        try {
            // 加载数据库驱动程序
            Class.forName("com.mysql.jdbc.Driver");
            
            // 建立数据库连接
            Connection connection = DriverManager.getConnection(jdbcUrl, username, password);
            
            // 执行测试语句
            connection.createStatement().executeQuery("SELECT 1");
            
            System.out.println("Database connection successful!");
            
            // 关闭数据库连接
            connection.close();
        } catch (ClassNotFoundException e) {
            System.out.println("Failed to load database driver.");
            e.printStackTrace();
        } catch (SQLException e) {
            System.out.println("Failed to connect to the database.");
            e.printStackTrace();
        }
    }
}