MySQL数据库连接字符串中要加上编码才能支持中文

<bean id="dataSource"
  class="org.apache.commons.dbcp.BasicDataSource">
  <property name="driverClassName"
   value="com.mysql.jdbc.Driver">
  </property>
  <property name="url"
   value="jdbc:mysql://localhost:3306/db_jxc?useUnicode=true&amp;characterEncoding=utf-8" >
  </property>
  <property name="username" value="root"></property>
  <property name="password" value="123456"></property>
 </bean>