ABAP 7.40新关键字COND的用法

• 2020 年 1 月 21 日
• 筆記

REPORT ZCOND.    DATA: lv_string TYPE string,        lv_count TYPE int4 value 1.    lv_string = 'Jerry' &&  COND #( WHEN lv_count = 1 THEN ' Hello' ELSE 'default'  ).    WRITE:/ lv_string.    RETURN.  cl_demo_output=>display(    VALUE string_table(      FOR i = 1 WHILE i <= 100 (  " COND string: line type is string  " LET: define local variable r3 and r5 - local auxiliary fields.        COND string( LET r3 = i MOD 3                         r5 = i MOD 5 IN                     WHEN r3 = 0 AND r5 = 0 THEN |FIZZBUZZ|                     WHEN r3 = 0            THEN |FIZZ|                     WHEN r5 = 0            THEN |BUZZ|                     ELSE i ) ) ) ).  * another example  cl_demo_output=>display(    COND #( LET t = '120000' IN            WHEN sy-timlo < t THEN              |{ sy-timlo TIME = ISO } AM|            WHEN sy-timlo > t AND sy-timlo < '240000' THEN              |{ CONV t( sy-timlo - 12 * 3600 ) TIME = ISO } PM|            WHEN sy-timlo = t THEN              |High Noon|            ELSE              THROW cx_cant_be( ) ) ). 

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