字符集转换_SAP

1 系统内部转换命令(一般建议不直接使用) 
SYSTEM-CALL CONVERT ID id DATA data 
    ENCODING encoding 
    ENDIAN endian 
    IGNORE_CERR ignore_cerr N n 
    POSITION position 
    REPLACEMENT replacement 
    LEN len 
    BUFFER buffer 
    ERR err.
Text and lines are converted between different formats.


2 使用SAP系统封装的类CL_ABAP_CONV_IN_CE and  CL_ABAP_CONV_OUT_CE
样例
data  STR TYPE C.

  DATA: S TYPE STRING,
        LEN TYPE I.
  DATA: CVTI_UTF8 TYPE REF TO CL_ABAP_CONV_IN_CE.
  FIELD-SYMBOLS : <X> TYPE X.

  ASSIGN STR TO <X> CASTING.

  CVTI_UTF8 =  CL_ABAP_CONV_IN_CE=>CREATE( ENCODING = 'UTF-8' INPUT    = <X> ).

  CALL METHOD CVTI_UTF8->READ
    IMPORTING
        DATA = S
        LEN  = LEN