【第三篇】SAP ABAP7.50新語法之程式結構&SubScreen
阿新 • • 發佈:2018-12-16
原文地址:SAP ABAP7.50系列之程式結構&SubScreen
公眾號:SAP Technical
前言部分
我們知道,在SAP裡的程式結構包含了很多內容,比如:Global Declarations裡包含interface,classes,global data;Method裡包含local data,implementation等等,同時本文也列舉一個subscreen的例子,僅供參考。
程式結構
看看在SAP ABAP 7.50里程序結構發生變化了嗎?
SubScreen舉例
舉一個SubScreen的例子,來看一下
REPORT zmatinal_subscreen. SELECTION-SCREEN BEGIN OF SCREEN 1100 AS SUBSCREEN NESTING LEVEL 4. SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-010. PARAMETERS: p1(10) TYPE c, p2(10) TYPE c, p3(10) TYPE c. SELECTION-SCREEN END OF BLOCK b1. SELECTION-SCREEN END OF SCREEN 1100. SELECTION-SCREEN BEGIN OF SCREEN 1200 AS SUBSCREEN NESTING LEVEL 4. SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME TITLE text-020. PARAMETERS: q1(10) TYPE c OBLIGATORY, q2(10) TYPE c OBLIGATORY, q3(10) TYPE c OBLIGATORY. SELECTION-SCREEN END OF BLOCK b2. SELECTION-SCREEN END OF SCREEN 1200. DATA: ok_code TYPE sy-ucomm, save_ok TYPE sy-ucomm. DATA: number(4) TYPE n VALUE '1100'. START-OF-SELECTION. CALL SCREEN 100. MODULE status_0100 OUTPUT. SET PF-STATUS 'SCREEN_100'. ENDMODULE. MODULE cancel INPUT. LEAVE PROGRAM. ENDMODULE. MODULE user_command_0100 INPUT. save_ok = ok_code. CLEAR ok_code. CASE save_ok. WHEN 'BUTTON1'. number = 1100. WHEN 'BUTTON2'. number = 1200. ENDCASE. ENDMODULE. AT SELECTION-SCREEN. MESSAGE s888(sabapdemos) WITH text-030 sy-dynnr.
本文是SAP ABAP7.50系列的第三篇。