1. LINE_EXISTS( )
代码语言：javascript
复制DATA: GT_SFLIGHT TYPE TABLE OF SFLIGHT.
SELECT * FROM SFLIGHT INTO TABLE GT_SFLIGHT UP TO 10 ROWS.
IF LINE_EXISTS( GT_SFLIGHT[ FLDATE = '20200423' ] ).
WRITE:/ 'Line is Exists'.
ENDIF.
2. CORRESPONDING #( )
代码语言：javascript
复制DATA: BEGIN OF WA_STRUCTURE1,
COL1 TYPE CHAR20 VALUE'COL1',
COL2 TYPE CHAR20 VALUE'COL2',
END OF WA_STRUCTURE1.
DATA: BEGIN OF WA_STRUCTURE2,
COL2 TYPE CHAR20,
COL3 TYPE CHAR20,
END OF WA_STRUCTURE2.
WA_STRUCTURE2 = CORRESPONDING #( WA_STRUCTURE1 ). "从工作区1移动字段名相同的值到工作区2
CL_DEMO_OUTPUT=>DISPLAY( WA_STRUCTURE2 ).
DATA: GT_TABLE1 LIKE TABLE OF WA_STRUCTURE1,
GT_TABLE2 LIKE TABLE OF WA_STRUCTURE2.
GT_TABLE1 = VALUE #( "GT_TABLE1插入两条数据
( COL1 = 'S1R1C1' COL2 = 'S1R1C2')
( COL1 = 'S1R2C1' COL2 = 'S1R2C2')
).
GT_TABLE2 = VALUE #( ( COL2 = 'S2R1C1' COL3 = 'S2R1C2') ). ""GT_TABLE2插入的第一条数据会覆盖第二条
GT_TABLE2 = VALUE #( ( COL2 = 'S2R2C1' COL3 = 'S2R2C2') ).
GT_TABLE2 = CORRESPONDING #( GT_TABLE1 ). "从GT_TABLE1移动字段名相同的列到GT_TABLE2，会覆盖GT_TABLE2的旧数据
CL_DEMO_OUTPUT=>DISPLAY( GT_TABLE2 ).
3. VALUE #( )
代码语言：javascript
复制"变量看ABAP Keyword Documentation
"结构
DATA: BEGIN OF WA_STRUCTURE,
COL1 TYPE CHAR20,
COL2 TYPE CHAR20,
END OF WA_STRUCTURE.
WA_STRUCTURE = VALUE #( COL1 = 'COL1' COL2 = 'COL2' ).
CL_DEMO_OUTPUT=>DISPLAY( WA_STRUCTURE ).
"表
DATA: GT_TABLE LIKE TABLE OF WA_STRUCTURE.
GT_TABLE = VALUE #(
( COL1 = 'ROW1COL1' COL2 = 'ROW1COL2')
( COL1 = 'ROW2COL1' COL2 = 'ROW2COL2')
).
CL_DEMO_OUTPUT=>DISPLAY( GT_TABLE ).
4. DATA()
代码语言：javascript
复制"变量
DATA: LV_VAR1 TYPE CHAR20 VALUE 'Variable'.
DATA(LV_VAR2) = LV_VAR1.
CL_DEMO_OUTPUT=>DISPLAY( LV_VAR2 ).
"结构
"方法一：
DATA: BEGIN OF WA_STRUCTURE1,
COL1 TYPE CHAR20 VALUE'COL1',
COL2 TYPE CHAR20 VALUE'COL2',
END OF WA_STRUCTURE1.
DATA(WA_STRUCTURE2) = WA_STRUCTURE1.
CL_DEMO_OUTPUT=>DISPLAY( WA_STRUCTURE2 ).
"方法二：
SELECT SINGLE * FROM SFLIGHT INTO @DATA(WA_SFLIGHT).
CL_DEMO_OUTPUT=>DISPLAY( WA_SFLIGHT ).
"表
"方法一：
DATA: GT_TABLE1 LIKE TABLE OF WA_STRUCTURE1.
GT_TABLE1 = VALUE #(
( COL1 = 'ROW1COL1' COL2 = 'ROW1COL2')
( COL1 = 'ROW2COL1' COL2 = 'ROW2COL2')
).
DATA(GT_TABLE2) = GT_TABLE1.
CL_DEMO_OUTPUT=>DISPLAY( GT_TABLE2 ).
"方法二：
SELECT * FROM SFLIGHT INTO TABLE @DATA(GT_SFLIGHT) UP TO 20 ROWS.
CL_DEMO_OUTPUT=>DISPLAY( GT_SFLIGHT ).
5. ||
代码语言：javascript
复制DATA: LV_VAR TYPE CHAR20 VALUE 'Variable',
LV_STRING TYPE STRING.
LV_STRING = |{ LV_VAR } is Same as { LV_VAR }|.
WRITE:/ LV_STRING.
6. LINES()
代码语言：javascript
复制SELECT * FROM SFLIGHT INTO TABLE @DATA(GT_SFLIGHT).
DATA(LV_ROWCOUNT) = LINES( GT_SFLIGHT ).
WRITE:/ LV_ROWCOUNT.
7. CONV #()
代码语言：javascript
复制DATA LV_TEXT TYPE C LENGTH 200 VALUE'1111'.
"方法一：
DATA(LV_STRING1) = CONV STRING( LV_TEXT ).
"方法二：
DATA: LV_STRING2 TYPE STRING.
LV_STRING2 = CONV #( LV_TEXT ).
WRITE:/ LV_STRING1,
/ LV_STRING2.
"Other
DATA: LV_NUM TYPE N LENGTH 20.
DATA(LV_INT) = CONV I( LV_TEXT ).
DATA(LV_NUMC) = CONV NUM( LV_TEXT ).
WRITE:/ LV_INT,
/ LV_NUMC.
