Java 连接 MySQL 数据库示例代码

import java.sql.*;

public class MySQLConnector {

public static void main(String[] args) {

    Connection conn = null;

    try {
        // 加载MySQL驱动程序
        Class.forName('com.mysql.jdbc.Driver');
        // 获取连接
        String url = 'jdbc:mysql://localhost:3306/test';
        String user = 'root';
        String password = '123456';
        conn = DriverManager.getConnection(url, user, password);
        System.out.println('数据库连接成功！');

    } catch (ClassNotFoundException e) {
        System.out.println('找不到MySQL驱动程序！');
        e.printStackTrace();
    } catch (SQLException e) {
        System.out.println('数据库连接失败！');
        e.printStackTrace();
    } finally {
        try {
            if (conn != null)
                conn.close();
            System.out.println('数据库连接已关闭！');
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

}