sap变量的定义

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我是靠谱客的博主精明小兔子，这篇文章主要介绍sap变量的定义，现在分享给大家，希望可以做个参考。

*&---------------------------------------------------------------------*
*& Report  ZDM_FIRST
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT ZDM_FIRST.
data sss type i value 5.
write sss.
write / text-sss.
* /表示换行
data: begin of Student,
       name(20) type c,
       age type i,
       sex type i,

end of Student.

   Student-name = 'cherry'.
   Student-age = 22.
   Student-sex = 1.

write: / 'student:',Student-name,',age->',Student-age,'sex->',Student-sex.

* like表示变量stu的数据类型是参考Student 修改stu的值不会修改Student的值

data stu like  Student.
   stu-name ='jiaozi'.
   stu-age = 22.
   stu-sex = 0.
   write:'student:',stu-name,',age->',stu-age,'sex->',stu-sex.
   write: / 'student:',Student-name,',age->',Student-age,'sex->',Student-sex.
types: begin of StudentType,
           name(20) type c,
           age type i,
           sex type i,
        end of StudentType.
data stu1 type StudentType.
stu1-name = 'ggg'.
write stu1-name.
*FIELD-SYMBOLS是宏表示引用一个变量宏修改变量的值也跟着修改
FIELD-SYMBOLS <s> like stu1.
assign stu1 to <s>.
<s>-name = 'cherry'.
write <s>-name.
write stu1-name.