在使用JDBC连接访问MySQL时一般要使用对应版本的驱动。 比如我使用了8.0.11版本的MySQL，对应驱动的Maven描述为：

1

2 mysql

3 mysql-connector-java

4 8.0.11

5

然后遇到了驱动问题、SSL安全访问的问题和时区问题。

报错1：

Loading class `com.mysql.jdbc.Driver‘. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver‘. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.

高版本的驱动已经由：

1 "com.mysql.jdbc.Driver"

变更为：

1 private static final String DB_DRIVER = "com.mysql.cj.jdbc.Driver";

报错2：

1 Establishing SSL connection without server‘s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn‘t set. For compliance with existing applications n