jdbc 驱动连接mysql 数据库代码

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class 类名 {
    Connection con;
    public Connection getConnection() {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");  System.out.println("数据库驱动加载成功");
        } catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        try {
            con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/mysql?serverTimezone=UTC&characterEncoding=utf-8","用户名","密码");
            System.out.println("数据库连接成功");
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return con;
    }
    public static void main(String[] args) {
        类名 c = new 类名();
        c.getConnection();
    }
}