因为"DATA itab TYPE line OCCURS 0 WITH HEADER LINE."这样的声明, 已经隐式声明了一个与内表同名的header line. 所以OCCURS用来声明内表可能造成二义性(ambiguous). 于是,OCCURS被认为是old的东西,采用一下方式声明一个内表比较好: DATA itab TYPE STANDARD TABLE OF line. 还有一种声明内表的方法: DATA:...
line是一个class,而wa是一个object. 接着是声明一个每一行的类型是line的internal table: DATA itab TYPE line OCCURS 0. 我在暂时把OCCURS作为了区别工作区和内表的标志. OCCURS应该有更深层次的意义,但我目前只能领悟至此... 当我们用以上这个方法来声明一个iternal table时,可以选择是否有无header line. ...
A header line is a work area whose data type is the same as the row type of the internal table whose name is the same as the name of the internal table.If a header line exists, therefore, an ABAP program includes two data objects with the same name (the actual internal table and ...
line是一个class,而wa是一个object. 接着是声明一个每一行的类型是line的internal table: DATA itab TYPE line OCCURS 0. 我在暂时把OCCURS作为了区别工作区和内表的标志. OCCURS应该有更深层次的意义,但我目前只能领悟至此... 当我们用以上这个方法来声明一个iternal table时,可以选择是否有无header line. ...
1、ABAP 内表(internal table) 标题行(header line) 工作区(work area) 简介 - SAP先是用TYPES关键字定义一个行(row)的类型.如下:TYPES: BEGIN OF line, field1 TYPE i, field2 TYPE i,END OF line.这里的line,就相当于一个自定义的类型,表示一行(row)的字段(field).这里一行有两个字段field1和field...
对于没有HEADER LINE的内表,只能通表外部WORK AREA来传递数据,如下所示: TABLES:USER21. DATA:BEGIN OF EMPTAB, NAME LIKE USER21-BNAME, TELNUM LIKE USER21-PERSNUMBER, ADDR LIKE USER21-ADDRNUMBER, END OF TMPTAB. DATA:EMP LIKE STANDART TABLE OF EMPTAB. ...
This data object is known as the header line of the internal table. You use it as a work area when working with the internal table (see Using the Header Line as a Work Area). When you use internal tables with header lines, you must remember that the header line and the body of the...
REPORT zd_gen_table_upload. * Internal TABLE and worearea Definition FIELD-SYMBOLS: <ft_tab> TYPE STANDARD TABLE, <fs_data> TYPE any, <f_field> TYPE any. DATA: dynpfields TYPE TABLE OF dynpread WITH HEADER LINE, l_xls TYPE char1, ...
1.使用occurs 0,定义的不再是对象,而是internal table 2.使用with header line后缀,定义为internal table的同时也定义了一个同名对象,因此可以用以下语句: LOOP AT STH. WRITE: / STH. ENDLOOP. 3.TYPE后面接结构,LIKE后面接对象 4.OBLIGATORY为必输字段 ...
2.ABAP internal tables InternalTables:Overviews LineType Copyrightⓒ2002byeWareSystem.InternalTables:DynamicTableExpansion DynamicTableExpansion!!!DynamicExpansion!!Copyrightⓒ2002byeWareSystem.InternalTables:TableAttributes–LineType CARRIDCONNIDDISTANCE Linetype AALH 00170400 2,5726,162 LHQF SQUA 04000005 ...