六十四、SAP中的内表的9种定义方式

一、内表一共有9种定义方式，如下：

二、执行如下

*&---------------------------------------------------------------------*

*& Report Z_TIANPAN_20190717_HELLO

*&---------------------------------------------------------------------*

*&

*&---------------------------------------------------------------------*

REPORT Z_TIANPAN_20190717_HELLO MESSAGE-ID Z_TIANPAN_201907_MSG.

* 内表的9种定义方法

* 自定义类型的内表

TYPES: BEGIN OF ty_itab1,

  field1 TYPE CHAR10,

  FIELD2 TYPE INT2,

END OF ty_itab1.

TYPES:t_itab1 TYPE ty_itab1 OCCURS .

TYPES:t_itab2 TYPE TABLE OF ty_itab1.

*定义内表变量

DATA:itab1 TYPE TABLE OF ty_itab1,                               "方法1

     itab2 TYPE t_itab1,                                         "方法2

     itab3 TYPE t_itab2.                                         "方法3

DATA itab4 LIKE itab1.                                           "方法4

*直接定义

DATA:BEGIN OF itab5 OCCURS ,          "既是itab5工作区又是内表，itab5[]

  field1 TYPE char10,

  field2 TYPE int2,

  END OF itab5.                                                  "方法5

DATA itab6 TYPE TABLE OF sflight.                                "方法6

DATA itab7 TYPE STANDARD TABLE OF sflight.                       "方法7

*排序表，哈希表

DATA itab8 TYPE SORTED TABLE OF sflight WITH UNIQUE KEY carrid.  "方法8

DATA itab9 TYPE HASHED TABLE OF sflight WITH UNIQUE KEY carrid.  "方法9

* 字符串拼接

WRITE: / '青青子衿' & '悠悠我心'.

BREAK-POINT.