code128b条码生成程序



FUNCTION   get_char(char_code   IN   PLS_INTEGER )   RETURN   VARCHAR2   IS

      LANGUAGE   JAVA   NAME   'xxfnd.XxfndBarcodeUtil.getChar(int) return String' ;

FUNCTION   code128b(data_to_encode   IN   VARCHAR2 )   RETURN   VARCHAR2   IS

    v_c128_start       VARCHAR2 ( 3   );

    v_c128_end         VARCHAR2 ( 3   );

    n_checksum         PLS_INTEGER   :=   104   ;

    n_data_length      PLS_INTEGER ;

    n_curr_char_code   PLS_INTEGER ;

    BEGIN

      -- Save the length of the content to cache.

    n_data_length := length(data_to_encode);

    fnd_message.set_name(   'CUX' ,   'CUX_FND_BARCODE_001'   );

    v_c128_start := fnd_message.get;

    fnd_message.set_name(   'CUX' ,   'CUX_FND_BARCODE_002'   );

    v_c128_end := fnd_message.get;

      FOR   i   IN   1   .. n_data_length   LOOP

      n_curr_char_code := ascii(substr(data_to_encode, i,   1 ));

        IF   n_curr_char_code >=   32   THEN

        n_checksum := n_checksum +

                      (i * (ascii(substr(data_to_encode, i,   1 )) -   32   ));

        ELSE

        n_checksum := n_checksum +

                      (i * (ascii(substr(data_to_encode, i,   1 )) +   64   ));

        END   IF   ;

      END   LOOP   ;

    n_checksum :=   MOD (n_checksum,   103   );

 

      IF   n_checksum <   95   THEN

      n_checksum := n_checksum +   32 ;

      ELSE

      n_checksum := n_checksum +   100 ;

      END   IF   ;

 

      RETURN   v_c128_start || data_to_encode || get_char(n_checksum) || v_c128_end;

 

    END   code128b;