1.获得连接对象java.sql.Connection
package com.ruandy;
import javax.xml.soap.SOAPPart;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class RXLtils {
public static void main(String[] args) throws SQLException, ClassNotFoundException {
System.out.println(getConn());
}
private static Connection getConn() throws ClassNotFoundException, SQLException {
//1.DriverManager 注册驱动 Driver接口右数据库厂商提供，
//注册驱动的俩种方式
//1.1使用反射
Class.forName("com.mysql.cj.jdbc.Driver");
//1.2使用系统提供的DriverManager
// DriverManager.registerDriver(com.mysql.cj.jdbc.Driver);
//获得连接：用户名+密码+连接配置
String USER_NAME = "用户名";
String PWD = "mysql密码";
//协议：子协议//ip:端口//具体数据库？参数配置
String URL = "jdbc:mysql://localhost:3306?serverTimezone=UTC";
Connection conn = DriverManager.getConnection(URL, USER_NAME, PWD);
return conn；
}
}
