内表的一些操作例子（工作区赋值使用了新语法)

1. 构造一个内表BOOK，字段有BOOKNO,BOOKNAME,ZUOYE,PRICE.
2. 输入几组数据：

BOOKNO	BOOKNAME	ZUOYE	PRICE
1	TEST	MARK	55
2	ERRO	WRITE	43
3	PRO	BACKER	67
4	中国历史	QINCHAO	88

3、插入一个新的数据在第三行,每一列数据分别是‘5’,’insert’,’insert’,’36’

4、删除第4行数据

5、把数据复制给一个新的内表BOOK1

6、按照价格排序BOOK

7、修改第2条数据，把PRICE改为55.

TYPES:BEGIN OF TY_DATA,
        BOOKNO(20)   TYPE C,
        BOOKNAME(20) TYPE C,
        ZUOYE(20)    TYPE C,
        PRICE        TYPE I,
      END OF TY_DATA.
DATA:BOOK TYPE STANDARD TABLE OF TY_DATA WITH HEADER LINE.
book = VALUE #( BOOKNO = '1' BOOKNAME = 'test' ZUOYE = 'mark' PRICE = 55 )."新语法
APPEND BOOK.
book = VALUE #( BOOKNO = '2' BOOKNAME = 'ERRO' ZUOYE = 'WRITE' PRICE = 43 ).
APPEND BOOK.
book = VALUE #( BOOKNO = '3' BOOKNAME = 'PRO' ZUOYE = 'BAKER' PRICE = 67 ).
APPEND BOOK.
BOOK-BOOKNO = '4'.
BOOK-BOOKNAME = '中国历史'.
BOOK-ZUOYE = 'QINCHAO'.
BOOK-PRICE = 88.
APPEND BOOK.
LOOP AT BOOK.
  WRITE:/ BOOK-BOOKNO,/ BOOK-BOOKNAME,/ BOOK-ZUOYE,/ BOOK-PRICE.
ENDLOOP.
WRITE:/ SY-ULINE.
BOOK-BOOKNO = '5'.
BOOK-BOOKNAME = 'INSERT'.
BOOK-ZUOYE = 'INSERT'.
BOOK-PRICE = 36.
INSERT BOOK INDEX 3.
LOOP AT BOOK.
  WRITE:/ BOOK-BOOKNO,/ BOOK-BOOKNAME,/ BOOK-ZUOYE,/ BOOK-PRICE.
ENDLOOP.
WRITE:/ SY-ULINE.
DELETE BOOK INDEX 4.
LOOP AT BOOK.
  WRITE:/ BOOK-BOOKNO,/ BOOK-BOOKNAME,/ BOOK-ZUOYE,/ BOOK-PRICE.
ENDLOOP.
WRITE:/ SY-ULINE.
DATA:BOOK1 TYPE STANDARD TABLE OF TY_DATA WITH HEADER LINE.
BOOK1[] = BOOK[].
LOOP AT BOOK1.
  WRITE:/ BOOK1-BOOKNO,/ BOOK1-BOOKNAME,/ BOOK1-ZUOYE,/ BOOK1-PRICE.
ENDLOOP.
WRITE:/ SY-ULINE.
SORT BOOK BY PRICE.
LOOP AT BOOK.
  WRITE:/ BOOK-BOOKNO,/ BOOK-BOOKNAME,/ BOOK-ZUOYE,/ BOOK-PRICE.
ENDLOOP.
WRITE:/ SY-ULINE.
BOOK-PRICE = 55.
MODIFY BOOK INDEX 2.
LOOP AT BOOK.
  WRITE:/ BOOK-BOOKNO,/ BOOK-BOOKNAME,/ BOOK-ZUOYE,/ BOOK-PRICE.
ENDLOOP.