配置内容同一样，只是增加一些配置。

因为cas已经默认就支持MD5加密验证，所以只是修改一下配置就可以了。

<bean id="primaryAuthenticationHandler" class="org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler">

      <property name="dataSource" ref="dataSource" />

      <property name="sql" value="http://www.mamicode.com/select password " />

</bean>

增加一条内容

<bean id="primaryAuthenticationHandler" class="org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler">

      <property name="dataSource" ref="dataSource" />

      <property name="sql" value="http://www.mamicode.com/select password " />

      <property name="passwordEncoder" ref="passwordEncoder" />

</bean>

<bean id="primaryAuthenticationHandler" class="org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler">
      <property name="dataSource" ref="dataSource" />
      <property name="sql" value="select password from table_users where username = ?" />
      <property name="passwordEncoder" ref="passwordEncoder" />
</bean>
<bean id="passwordEncoder" class="org.jasig.cas.authentication.handler.DefaultPasswordEncoder" p:characterEncoding="UTF-8" >
       <constructor-arg index="0" value="MD5" />
</bean>