``` Druid：数据库连接池实现技术，由阿里巴巴提供的 ``` ~~~ <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.37</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.16</version> </dependency> </dependencies> ~~~