这块内存区域虽然还未释放,但里面存放的引用变量已经不再指向任何一个有效的变量了,因此IS BOUND返回abap_false. 最后,因为<any2>施加了CLEAR操作, 又回到了初始化状态,所以IS INITIAL返回abap_true.
ABAP里的IS BOUND, IS NOT INITIAL和IS ASSIGNED这组关键字,如果平时不留心,很容易理解地似是而非。今天我们就来说一说它们的区别。 先把SAP帮助文档抄过来: IS BOUND It checks whether a reference variable …
initial 是初始值得意思,就是判断变量是否为初始值,变量是不同的数据类型初始值也不一样,不一定是空. 比如如果变量是日期类型,它初始值就有可能是 ‘00000000’. 改变日期类型为’0000’,满足space条件但是不满足is initial。会发生错误 所以在判断变量是否为初始值的时候应该用is initial SPACE 是什么 空白...
IF sy-subrc EQ 0 AND NOT lv_string CS INITIAL. WRITE: 'String is not empty'. ELSE. WRITE: 'String is empty'. ENDIF. 在这个例子中,使用NOT操作符将INITIAL关键字与字段lv_string结合使用,表示判断lv_string字段是否为空。 总之,INITIAL是SAP ABAP中的一个关键字,用于表达变量或字段的初始值,并且可...
ENDIF. ``` 4.使用`CONCATENATE`拼接字符串时的初始值检查: ```abap DATA lv_string TYPE string. lv_string = 'ABC'. IF lv_string IS INITIAL. " lv_string是初始值 ENDIF. ``` `IS INITIAL`语句在SAP ABAP中用于确保变量已经被赋值,避免使用未初始化的变量引发错误。©...
initial 是初始值得意思,就是判断变量是否为初始值,变量是不同的数据类型初始值也不一样,不一定是空,比如如果变量是日期类型,它初始值就有可能是‘00000000’.判断
Path: – SAP Menu ->> Tools ->> Form print out ->> Smart forms Transaction code: – SMARTFORMS Step 1:– Enter transaction code “SMARTFORMS” in the sap command field and enter. Step 2:– On the initial screen, update name of a new form. ...
SAP ABAP workbench can be opened by two methods –1. Logon to SAP R/3 system and click on the tool from SAP easy access screen, click on ABAP workbench and start to work workbench.2. Enter transaction code “S001” in the SAP command field and press enter, then a new screen opens ...
SAP Managed Tags: ABAP Development, ABAP RESTful Application Programming Model Hello Experts, Is editing the key field values of a table are not controlled in ABAP restful programming ? I have a managed application and in my table there are three key fields . So when the user clicks on ...
ABAP communication layer is not configured properly. Go to solution marcosandrade Participant 2014 Nov 06 9:05 AM 5 Kudos 36,799 SAP Managed Tags: ABAP Development Hello Developers, I`m an ABAP developer and would like to use ABAP in Eclipse. I have installed Eclipse Kepler ...