配置mysql

<properties>
    <mysql.version>5.1.32</mysql.version>
</properties>

<dependencyManagement>
    <dependencies>
        <!-- MySql -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>