screen element s for input/output
DESCRIPTION
Screen Element s for Input/Output . Checkboxes and Radio Button Groups Error Checking in Input/Output fields. 1. Checkboxes and Radio Button Groups. Checkboxes and Radio Buttons: Attributes. Creating a Checkbox. Creating a Radio Button Group. 也可用滑鼠框起來， 按右鍵，將其定義為 group. - PowerPoint PPT PresentationTRANSCRIPT
Dialog4-1ABAP 楊子青
Screen Elements for Input/Output
Checkboxes and Radio Button Groups
Error Checking in Input/Output fields
Dialog4-2ABAP 楊子青
1. Checkboxes and Radio Button Groups
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Checkboxes and Radio Buttons: Attributes
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Creating a Checkbox
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Creating a Radio Button Group
也可用滑鼠框起來，按右鍵，將其定義為 group
宣告按鈕，並讓 display 為預設選項
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Program Flow for Radio Buttons and Checkboxes
被勾選
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練習實例 1
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主程式DATA: CHECK1, CHECK2, RADIO1, RADIO2.CHECK1 = 'X'.RADIO2 = 'X'.
DATA: RESULT1(20) TYPE C, RESULT2(20) TYPE C.
DATA OK_CODE TYPE SY-UCOMM.
CALL SCREEN 9000.
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Screen 9000 的 Layout: Checkbox
Result1
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Screen 9000 的 Layout: Radio Button
Result2
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Screen 9000 的 flow logic
PROCESS BEFORE OUTPUT.
* MODULE STATUS_9000.
*
PROCESS AFTER INPUT.
MODULE USER_COMMAND_9000.
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MODULE USER_COMMAND_9000MODULE USER_COMMAND_9000 INPUT.
CASE OK_CODE. WHEN 'END'. LEAVE PROGRAM.
WHEN 'SHOW'. RESULT1 = ''. IF NOT CHECK1 IS INITIAL. RESULT1 = 'ABAP; '. ENDIF.
IF CHECK2 = 'X'. CONCATENATE RESULT1 'FI; ' INTO RESULT1. ENDIF.
IF RADIO1 = 'X'. RESULT2 = 'You are Male...'. ELSE. RESULT2 = 'You are Female...'. ENDIF. ENDCASE.ENDMODULE. " USER_COMMAND_9000 INPUT
Dialog4-13ABAP 楊子青
2. Error Checking in Input/Output fields
範例程式：SAPBC410INPD_C_CHECK_INPUT
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AA 0017 13.02.2008
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用 SE11 查詢 SFLIGHT Table
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Automatic Field Input Checks
強制 ( 例如必填欄位之檢查 )
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Field Input Checks with Error Dialog
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Dialog Message Categories
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Message Types
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練習實例 2-A
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主程式
DATA: A TYPE I, B TYPE I, C TYPE I.
DATA OK_CODE TYPE SY-UCOMM.
CALL SCREEN 9000.
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Screen 9000 PAI
PROCESS AFTER INPUT.
MODULE USER_COMMAND_9000.
FIELD A MODULE CHECK_A.
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MODULE USER_COMMAND_9000 INPUT. CASE OK_CODE. WHEN 'END'. LEAVE PROGRAM. ENDCASE.ENDMODULE.
MODULE CHECK_A INPUT. IF A < 0 OR A > 50. MESSAGE 'Please input A Between 0~50' TYPE 'W' . ENDIF.ENDMODULE.
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Checking Groups of Fields
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Controlling Error Dialogs
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練習實例 2-B
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Screen 9000 PAI
PROCESS AFTER INPUT.
MODULE USER_COMMAND_9000. FIELD A MODULE CHECK_A.
CHAIN. FIELD: A, B, C. MODULE CHECK_ABC ON CHAIN-INPUT. ENDCHAIN.
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MODULE CHECK_ABC INPUT.
DATA SUM TYPE I.
SUM = A + B + C.
IF SUM <> 50.
MESSAGE 'A + B + C is not equal 50' TYPE 'W' .
ELSE.
MESSAGE 'A + B + C is equal 50' TYPE 'S' .
ENDIF.
ENDMODULE.
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Conditional Module Calls
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Execution when value is not initial
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Execution on Change
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Avoiding Field Input Checks
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