REPORT zcl_test027.
TYPE-POOLS:abap.
PARAMETERS p_name TYPE tabname.
DATA: d_ref TYPE REF TO data,
lt_alv_cat TYPE TABLE OF lvc_s_fcat,
ls_alv_cat LIKE LINE OF lt_alv_cat.
DATA: lt_table LIKE TABLE OF dntab.
DATA: ls_table TYPE dntab.
FIELD-SYMBOLS : <dyn_table> TYPE table,
<dyn_wa> TYPE any,
<dyn_field> TYPE any.
*取出表结构的字段目录
CALL FUNCTION 'NAMETAB_GET'
EXPORTING
langu = sy-langu
tabname = p_name
TABLES
nametab = lt_table
EXCEPTIONS
no_texts_found = 1.
*根据取出的字段目录生成参考字段目录
LOOP AT lt_table INTO ls_table.
ls_alv_cat-fieldname = ls_table-fieldname.
ls_alv_cat-ref_table = p_name.
ls_alv_cat-ref_field = ls_table-fieldname.
APPEND ls_alv_cat TO lt_alv_cat.
CLEAR ls_alv_cat.
ENDLOOP.
*内表创建
CALL METHOD cl_alv_table_create=>create_dynamic_table
EXPORTING
it_fieldcatalog = lt_alv_cat
IMPORTING
ep_table = d_ref.
*指定生成的内表到字段符号
ASSIGN d_ref->* TO <dyn_table>.
*从动态表中取数到动态内表中
SELECT * INTO CORRESPONDING FIELDS OF TABLE <dyn_table> UP TO 100
ROWS FROM (p_name).
*显示内表中的数据
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_structure_name = p_name
TABLES
t_outtab = <dyn_table>
EXCEPTIONS
program_error = 1
OTHERS = 2.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.