REPORT ztestsq.
DATA: l_str TYPE string value 'ABCDEFGHIJK'.
REPLACE SECTION OFFSET 4 LENGTH 1 OF l_str WITH 'Z'.
WRITE:/ l_str.
输出结果:ABCDZFGHIJK
REPORT ztestsq.
DATA: l_str TYPE string value 'ABCDEFGHIJK'.
REPLACE SECTION OFFSET 4 LENGTH 1 OF l_str WITH 'Z'.
WRITE:/ l_str.
输出结果:ABCDZFGHIJK