com.mysql.jdbc.Driver 和 com.mysql.cj.jdbc.Driver

com.mysql.jdbc.Driver 是 mysql-connector-java 5中的，com.mysql.cj.jdbc.Driver 是 mysql-connector-java 6中的

1、JDBC连接Mysql5 com.mysql.jdbc.Driver:

driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&useSSL=false
username=root
password=

2、JDBC连接Mysql6 com.mysql.cj.jdbc.Driver， 需要指定时区serverTimezone:

driverClassName=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=utf8&useSSL=false
username=root
password=

配套的pom

<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>