笔记如上
学了个代码
```php;gutter:true;
import java.sql.*;
public class jdbc01 {
public static void main(String[] args) {
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
//注册驱动
DriverManager.registerDriver(new com.mysql.jdbc.Driver());
//获取连接
conn = DriverManager.getConnection("jdbc:mysql//localhost:3306/student", "root", "123456");
//执行SQL