@MappedJdbcTypes(JdbcType.TIMESTAMP)//此处如果不使用该注解，在myabtis-config.xml中注册该typehandler的时候需要写明jdbctype="TIMESTAMP"
@MappedTypes(DateTime.class)//此处如果不使用该注解，在myabtis-config.xml中注册该typehandler的时候需要写明javatype="com.sinosoft.sysframework.common.datatype.DateTime"
public class DateTimeHandler implements TypeHandler<DateTime> {

<typeHandlers> 
<typeHandler handler="com.***.DateaTimeTypeHandler" javaType="[Ljava.lang.String;" jdbcType="VARCHAR"/> 
</typeHandlers>

<mappers> 
<mapper resource="com/tiantian/mybatis/mapper/UserMapper.xml"/> 
<package name="com.tiantian.mybatis.mapperinterface"/> 
</mappers>

<resultMap id="UserResult" type="User"> 
<id column="id" property="id"/> 
<result column="interests" property="interests" javaType="[Ljava.lang.String;" jdbcType="VARCHAR"/> 
</resultMap>

<resultMap id="UserResult" type="User"> 
<id column="id" property="id"/> 
<result column="interests" property="interests" typeHandler="com.tiantian.mybatis.handler.StringArrayTypeHandler" /> 
</resultMap>

<if test="txLogStatus != null">
txLogStatus = #{txLogStatus, typeHandler=com.rrcp.util.typehandlers.EventStatusTypeHandler},
</if>