MAP传参需仔细
在PO中
private Date birthday;
Map<String, Object> map=null;map=BeanUtils.describe(mobileDO);
<update id="updateOBJ" parameter> <isNotNull prepend="," property="mobile" > Mobile = #mobile:VARCHAR# </isNotNull> <isNotNull prepend="," property="birthday" > Birthday = #birthday:TIMESTAMP# </isNotNull></dynamic> where ID = #ID:INTEGER#</update>