视频课：https://edu.csdn.net/course/detail/27107
目录结构：
连接数据库功能代码实现：
package com.db;
import java.sql.*;
public class DBHelper { private String dbUrl="jdbc:mysql://localhost:3306/sushe"; private String dbUser="root"; private String dbPassword="123456"; private String jdbcName="com.mysql.jdbc.Driver"; public Connection getConn(){ Connection conn = null; try{ Class.forName(jdbcName); } catch(Exception e){} try{ conn=DriverManager.getConnection(dbUrl,dbUser,dbPassword); } catch(SQLException ex){} return conn; } public static void main(String[] args) { System.out.println(new DBHelper().getConn());
}
}
登陆功能代码实现&#x
