mysql5和mysql8连接数据库的配置

mysql5：

mysql8：

db.properties

 jdbc.driver=com.mysql.cj.jdbc.Driver
 jdbc.url=jdbc:mysql://localhost:3306/e3mall?characterEncoding=utf-8&serverTimezone=GMT%2B8
 #jdbc.url=jdbc:mysql://localhost:3306/e3mall?serverTimezone=GMT%2B8
 jdbc.username=hmcxy
 jdbc.password=123456

applicationContext-dao.xml

     <!-- 加载配置文件 -->
     <context:property-placeholder location="classpath:conf/db.properties" />
     <!-- 数据库连接池 -->
     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
         <property name="url" value="${jdbc.url}" />
         <property name="username" value="${jdbc.username}" />
         <property name="password" value="${jdbc.password}" />
         <property name="driverClassName" value="${jdbc.driver}" />
         <property name="maxActive" value="10" />
         <property name="minIdle" value="5" />
     </bean>