java.sql.SQLException: The server time zone value ‘�й���׼ʱ��’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.

方法一：在配置文件中url后加：&serverTimezone=GMT
如：url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT
方法二：在配置文件中url后加：&serverTimezone=Asia/Shanghai
如：url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai
方法三：在配置文件中url后加：&serverTimezone=GMT%2B8
如：url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8
方法四：在配置文件中url后加：&serverTimezone=UTC
如：url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC

以上方法亲测有效