首先肯定是驱动包的问题吧
先是来到官网
MySQL的官网
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAnYldHL0FWby9mZvwFN4ETMfdHLkVGepZ2XtxSZ6l2clJ3LcV2Zh1Wa9M3clN2byBXLzN3btgHL9s2RkBnVHFmb1clWvB3MaVnRtp1XlBXe0xCMy81dvRWYoNHLwEzX5xCMx8FesU2cfdGLwMzX0xiRGZkRGZ0Xy9GbvNGLpZTY1EmMZVDUSFTU4VFRR9Fd4VGdsQTMfVmepNHLrJXYtJXZ0F2dvwVZnFWbp1zczV2YvJHctM3cv1Ce-cmbw5iM4EjMxQzYjRWO3ATYzIWNzYzX1EDMxATM4IzLcBTMyIDMy8CXn9Gbi9CXzV2Zh1WavwVbvNmLvR3YxUjLyM3Lc9CX6MHc0RHaiojIsJye.png)
到下面看到一个叫MySQL community server的服务不?点击
package jdbc;
import java.sql.DriverManager;
public class MyConnection
{
public static void main(String[] args) throws Exception
{
//这两个是错误的,这是mysql-connector-java-5.1.40的版本的写法,但是我电脑测试一下无效,暂时无果
// Class.forName("com.mysql.jdbc.Driver");
// String url="jdbc:mysql://localhost:3306/jane";
//这是正确的写法,这是mysql-connector-java-8.0.11的版本的写法,我电脑用得还可以
Class.forName("com.mysql.cj.jdbc.Driver");
String url = "jdbc:mysql://localhost:3306/jane" + "?serverTimezone=GMT%2B8";
String user="root";
String password="1234";
DriverManager.getConnection(url, user, password);
System.out.println("connection");
}
}