问：ATT_STRU 和CATT_STRU的区别和联系答： ATT_STRU是以前老版本的东东,换成CATT_STRU试试.CATT_STRU中包含了属性结构的详细信息,具体用法可参见二次开发帮助-Q: ATT_STRU and CATT_STRU difference and contact Answer: ATT_STRU was previously the old version of the East, into CATT_STRU try. CATT_STRU attribute structure contains more information on the specific usage can be found in the secondary development assistance