ABAP 动态内表添加单元格颜色字段

*动态内表alv显示时要求某些单元格显示颜色

*wa_fldcat-datatype不能添加LVC_T_SCOL类型,在创建好内表之后,再添加颜色列.        

DATA:
      wa_fldcat TYPE lvc_s_fcat,
      lt_fldcat TYPE lvc_t_fcat,
      dy_table TYPE REF TO data,
      dy_line  TYPE REF TO data,
      itab_type TYPE REF TO cl_abap_tabledescr,
      struct_type TYPE REF TO cl_abap_structdescr,
      comp_tab TYPE cl_abap_structdescr=>component_table WITH HEADER LINE.
FIELD-SYMBOLS:
      <dyn_table> TYPE STANDARD TABLE,
      <dyn_wa>.

wa_fldcat-fieldname = 'COL1'.
wa_fldcat-datatype  = 'CHAR'.
wa_fldcat-outputlen = 20.
wa_fldcat-coltext   = 'COL1'.
APPEND wa_fldcat TO lt_fldcat.
...

CALL METHOD cl_alv_table_create=>create_dynamic_table
  EXPORTING
*   i_style_table             =
    it_fieldcatalog           = lt_fldcat
*   i_length_in_byte          =
  IMPORTING
    ep_table                  = dy_table
*   e_style_fname             =
  EXCEPTIONS
    generate_subpool_dir_full = 1
    OTHERS                    = 2.
IF dy_table IS BOUND.
  ASSIGN dy_table->* TO <dyn_table>.
  itab_type ?= cl_abap_tabledescr=>describe_by_data( <dyn_table> ).
  struct_type ?= itab_type->get_table_line_type( ).
  comp_tab[] = struct_type->get_components( ).
  comp_tab-name = 'COLOR'.
  struct_type ?= cl_abap_typedescr=>describe_by_name( 'LVC_S_SCOL' ).
  comp_tab-type = cl_abap_tabledescr=>create( struct_type ).
  INSERT comp_tab INTO comp_tab INDEX 1.
  struct_type = cl_abap_structdescr=>create( comp_tab[] ).
  itab_type = cl_abap_tabledescr=>create( struct_type ).

  CREATE DATA dy_table TYPE HANDLE itab_type.
  ASSIGN dy_table->* TO <dyn_table>.
  CREATE DATA dy_line LIKE LINE OF <dyn_table>.
  ASSIGN dy_line->* TO <dyn_wa>.
ENDIF.