<environments default="mysql">

       <environment id="mysql">

           <transactionManager type="JDBC"></transactionManager>

           <dataSource type="POOLED">

               <property name="driver" value="com.mysql.jdbc.Driver"/>

               <property name="url" value="jdbc:mysql://localhost:3306/mybatisday1?useUnicode=true&amp;characterEncoding=utf8"/>

               <property name="username" value="root"/>

               <property name="password" value="shitou25"/>

           </dataSource>

       </environment>

   </environments>