abap string 类型转rawstring (Xstring)

1. SCMS_STRING_TO_XSTRING

CALL FUNCTION 'SCMS_STRING_TO_XSTRING'
  EXPORTING
    text   = lv_string
*   MIMETYPE       = ' '
*   ENCODING       =
  IMPORTING
    buffer = lv_xstring
  EXCEPTIONS
    failed = 1
    OTHERS = 2.
IF sy-subrc <> 0.
* Implement suitable error handling here
ENDIF.

2.cl_abap_codepage=>convert_to()