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1、Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors2March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 ObjectivesThe participants will be able to:Use Author
2、ity objects in SAP. Use Authority-Check Statements. React to the result of Authority-Check statement.Use the EXPORT statement.Use the IMPORT statement.3March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 Authority Objects in SAP4March-2005Authorizations, Passing D
3、ata Between Programs, Catching Runtime Errors | 3.12 The AUTHORITY-CHECK StatementAUTHORITY-CHECK OBJECT S_DEVELOP ID DEVCLASS FIELD YLJS ID OBJTYPE DUMMY ID OBJNAME DUMMY ID P_GROUP DUMMY ID ACTVT DUMMY.The option DUMMYsuppresses the check forthe specified field. The neteffect is that the user canp
4、erform any activity on Package YLJS.The AUTHORITY-CHECKlists the fields to be checked and verifies what the user is attempting to do against what the user is authorised to do.5March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 AUTHORITY-CHECK OBJECT S_DEVELOP ID
5、DEVCLASS FIELD YLJS ID OBJTYPE DUMMY ID OBJNAME DUMMY ID P_GROUP DUMMY ID ACTVT DUMMY.IF SY-SUBRC 0. WRITE: / You are not authorised to development, class YLJS. EXIT.ENDIF.Reacting to the AUTHORITY-CHECK Statement6March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.1
6、2 The EXPORT StatementEXPORT KNA1-KUNNRKNA1-BUKRSTO MEMORY.EXPORT SY-SUBRCTO MEMORY ID LJS1.7March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 The IMPORT StatementIMPORT FROM MEMORY. 8March-2005Authorizations, Passing Data Between Programs, Catching Runtime Erro
7、rs | 3.12 CATCH SYSTEM-EXCEPTIONS ARITHMETIC_ERRORS = 5CONVERSION_ERRORS = 6.ENDCATCH.Catching Runtime Errors9March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 Completing the CATCH CodeDATA: int type I, char(3) type C value ABC.CATCH SYSTEM-EXCEPTIONS CONVERSION
8、_ERRORS = 1. . MOVE char TO int.“MOVE keyword to trigger CATCH .ENDCATCH.IF SY-SUBRC = 1. WRITE: / Conversion error has occurred.ENDIF.10March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 DemonstrationCreation of a simple program where an authority check object i
9、s used to allow only certain users to perform an activity.11March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 PracticeCreation of a simple program where an authority check object is used to allow only certain users to perform an activity.12March-2005Authorizations, Passing Data Between Programs, Catching Runtime Errors | 3.12 Questions
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