ABAP Help Document(6):2.1ABAP程序类型
2.Program structure
2.1ABAP程序类型
1. Executable program,可执行程序,使用SUBMIT,dynpro,使用Tcode执行selection screen,不能再Function Module中使用;
2. Class pool,类,使用Call,只能在Method中使用;
3. Function group or function pool,使用CALL FUNCTION执行;
4. Interface pool,接口;
5. Module pool,使用Tcode执行的dynpro;
6. Subroutine pool,子程序;
7. Type group or type pool,数据类型;
程序类型声明
1. REPORT;
2.PROGRAM;
3.FUNCTION POOL;
4.CLASS POOL;
5.INTERFACE POOL;
6. TYPE POOL;
示例1:
"function pool FORM f_program_type_function. "Function Group "Function Pool命名规则 "LXXXTOP,定义数据 "LXXXDxx,定义本地class "LXXXUxx,function module实现; "LXXXPxx,本地class,method实现; "LXXXOxx,PBOmodule; "LXXXIxx,PAImodule; "LXXXExx,Event block; "LXXXFxx,子程序subroutine; * Function group SAPLABAP_DOCU is structured from include programs. * * *&---------------------------------------------------------------------* **& Function Group SAPLABAP_DOCU **&---------------------------------------------------------------------* * *INCLUDE labap_docutop. " Global Declarations * *INCLUDE labap_docue00. " Load of Program * *INCLUDE labap_docuuxx. " Function Modules * *INCLUDE labap_docuo01. " PBO Modules * *INCLUDE labap_docui01. " PAI Modules * *INCLUDE labap_docue01. " Handling of Runtime-Events</ * *INCLUDE labap_docup01. " Class implementations *INCLUDE labap_docup02. *INCLUDE labap_docup03. *INCLUDE labap_docup04. * *The function group includes the top include in the first place; it contains the FUNCTION-POOL statement and other include programs for data and class declarations: * * *&---------------------------------------------------------------------* **& Include LABAP_DOCUTOP **&---------------------------------------------------------------------* * *FUNCTION-POOL abap_docu. * *INCLUDE labap_docud00. " Global Data for Screens * *INCLUDE labap_docud01. " Classes for Docu Display ENDFORM.
示例2:
"程序类型 FORM f_program_type_report. "Report程序 "语法: * REPORT rep [list_options] * [MESSAGE-ID mid] * [DEFINING DATABASE ldb] * [REDUCED FUNCTIONALITY]. "[list_options] "[NO STANDARD PAGE HEADING],系统变量:sy-wtitl = 'N'; "[LINE-SIZE width],系统变量:sy-linsz,最大值1023,默认为0; "[LINE-COUNT page_lines[(footer_lines)]],系统变量:sy-linct,0~60000; "示例:REPORT z_report LINE-COUNT 65(8) LINE-SIZE 132. "DEFINING DATABASE ldb "定义逻辑数据库 "MESSAGE-ID mid "message id,指定程序使用message,message class表:T100 "REDUCED FUNCTIONALITY ,只用于subroutine pools,应用于PROGRAM "Program程序 "语法: * PROGRAM prog [list_options] * [MESSAGE-ID mid] * [REDUCED FUNCTIONALITY]. "[list_options]忽略,[REDUCED FUNCTIONALITY]只在subroutine pools有效 ENDFORM.
示例3:
"语法: "CLASS-POOL [MESSAGE-ID id]. "语法: "INTERFACE-POOL.
示例4:
"语法: "TYPE-POOL tpool.
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