MySql数据库数据源

mybatis-config.xml
 <environments default="development">
    <environment id="development">
      <transactionManager type="JDBC"/>
      <dataSource type="POOLED">
        <property name="driver" value="${driver}"/>
        <property name="url" value="${url}"/>
        <property name="username" value="${username}"/>
        <property name="password" value="${password}"/>
      </dataSource>
    </environment>
  </environments>

jdbc.properties
driver=com.mysql.jdbc.Driver
jdbc_url=jdbc:mysql://${envi.dbhost}/gmall?useSSL=true&serverTimezone=UTC
jdbc_user=root
jdbc_password=xxx