更新时间2020-12-16 11:59:08
求问下面连接数据库代码里面的 jdbc:mysql://127.0.0.1:3306/student 和 com.mysql.jdbc.Driver 对应的都是什么package 测试;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException; public class connectionlain {public Connection getConnect() {Connection conn=null;String url="jdbc:mysql://127.0.0.1:3306/student"; // jdbc:mysql://127.0.0.1:3306/studentString user="root";String password="617716";try{Class.forName("com.mysql.jdbc.Driver"); //conn=DriverManager.getConnection(url, user, password);return conn;}catch(ClassNotFoundException e){ System.out.println("错误"); e.printStackTrace(); return null;}catch(Exception e){e.printStackTrace();return null;} }}