ubuntu 下java连接mysql数据库

Posted 2021-07-26 Hill_LAI

这篇文章是对的
https://m.linuxidc.com/Linux/2008-10/16872.htm
还有这篇，忽略报错useSSL=false
https://blog.csdn.net/qq_41785135/article/details/85118329

剩下的就是安装mysql和创建数据库
打开数据库
mysql -u root -p
创建数据库
create database lalalala；记得最后有分号

给出我的代码

import java.sql.*;
import java.util.Properties;

public class DBDemo
{
  // The JDBC Connector Class.
  private static final String dbClassName = "com.mysql.jdbc.Driver";

  // Connection string. emotherearth is the database the program
  // is connecting to. You can include user and password after this
  // by adding (say) ?user=paulr&password=paulr. Not recommended!

  private static final String CONNECTION =
                          "jdbc:mysql://127.0.0.1/peak_db?useSSL=false";

  public static void main(String[] args) throws
                             ClassNotFoundException,SQLException
  {
    System.out.println(dbClassName);
    // Class.forName(xxx) loads the jdbc classes and
    // creates a drivermanager class factory
    Class.forName(dbClassName);

    // Properties for user and password. Here the user and password are both 'paulr'
    Properties p = new Properties();
    p.put("user","root");
    p.put("password","123123");

    // Now try to connect
    Connection c = DriverManager.getConnection(CONNECTION,p);

    System.out.println("It works !");
    c.close();
    }
}