ABAP选择屏幕上方自定义功能按钮

"必须Tables先引入
TABLES :sscrfields.
"激活按钮,最多5个
SELECTION-SCREEN: FUNCTION KEY 1. 
"选择屏幕绘制。省略
INITIALIZATION.
"设置菜单图标，文本
DATA:functxt  TYPE smp_dyntxt.
    functxt-icon_id   = icon_price .
    functxt-quickinfo = '自定义名称1'.
    functxt-icon_text =  '自定义名称1'. 
    "设置选择屏幕字段functxt_01、functxt_02、系统预留5个
    sscrfields-functxt_01 = functxt.
    "sscrfields-functxt_02 = '自定义名称2'.
AT SELECTION-SCREEN.
     CASE sscrfields-ucomm.
        WHEN 'FC01'.  "FC01，FC02，与上面对应
            CALL TRANSACTION 'ZFI239'.
            EXIT.
        WHEN OTHERS.
    ENDCASE.

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