SU01 / SU01D 的用户查中文姓名：

SELECT SINGLE ADRP~NAME_FIRST ADRP~NAME_LAST
    INTO (LV_NAME_FIRST,LV_NAME_LAST)
    FROM ADRP
    INNER JOIN USR21
    ON ADRP~PERSNUMBER = USR21~PERSNUMBER
    WHERE USR21~BNAME = SY-UNAME .

另外有视图

 V_USERNAME

select ADRP~NAME_FIRST ADRP~NAME_LAST 

into (LV_NAME_FIRST,LV_NAME_LAST)

from  V_USERNAME

where BNAME = SY-UNAME .