最终成果：
*&---------------------------------------------------------------------*
*& Report ZLC_FIND_EXIT
*&---------------------------------------------------------------------*
*&根据T-CODE / 程序名查询出口、BADI增强
*&---------------------------------------------------------------------*
REPORT ZEDIT_G.
"打印参数
DATA:LV_FMNAME TYPE RS38L_FNAM,
LS_CTRLOP TYPE SSFCTRLOP,
LS_COMPOP TYPE SSFCOMPOP,
LS_RETURN TYPE SSFCRESCL,
LS_INFO TYPE SSFCRESCL,
LS_OPTIONS TYPE SSFCRESOP.
"附件参数
DATA:LT_OTF TYPE ITCOO OCCURS 0 WITH HEADER LINE,
LT_TLINE TYPE TLINE OCCURS 0 WITH HEADER LINE,
LT_RECORD LIKE SOLISTI1 OCCURS 0 WITH HEADER LINE.
"邮件参数
DATA:LV_SIZE TYPE I, "邮件附件大小
LV_LINES_TXT TYPE I, "邮件文本行数
LV_LINES_BIN TYPE I, "邮件附件行数
LV_BENFILE TYPE XSTRING,
LV_OBJECT TYPE CHAR50, "邮件主题
LV_PDFNAME TYPE CHAR50,
GT_OBJPACK LIKE SOPCKLSTI1 OCCURS 0 WITH HEADER LINE, "邮件内容 正文+附件
GT_OBJTXT LIKE SOLISTI1 OCCURS 0 WITH HEADER LINE, "正文内容
GT_OBJBIN LIKE SOLISTI1 OCCURS 0 WITH HEADER LINE, "附件内容
GT_RECLIST LIKE SOMLRECI1 OCCURS 0 WITH HEADER LINE, "收件人
LS_DOC_CHNG TYPE SODOCCHGI1. "邮件属性
"打印控制
LS_CTRLOP-NO_OPEN = 'X'.
LS_CTRLOP-NO_CLOSE = 'X'.
LS_CTRLOP-GETOTF = 'X'. "这个必须要打上标记，否则无法获取打印页面数据
LS_CTRLOP-LANGU = '1'.
LS_CTRLOP-NO_DIALOG = 'X'.
LS_COMPOP-TDNOPREV = 'X'.
CALL FUNCTION 'SSF_FUNCTION_MODULE_NAME'
EXPORTING
FORMNAME = 'ZTEST001' "创建的SMARTFORMS表单名称
IMPORTING
FM_NAME = LV_FMNAME
EXCEPTIONS
NO_FORM = 1
NO_FUNCTION_MODULE = 2
OTHERS = 3.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CALL FUNCTION 'SSF_OPEN' "打开打印页面
EXPORTING
OUTPUT_OPTIONS = LS_COMPOP
CONTROL_PARAMETERS = LS_CTRLOP
USER_SETTINGS = 'X'
IMPORTING
JOB_OUTPUT_OPTIONS = LS_OPTIONS
EXCEPTIONS
FORMATTING_ERROR = 1
INTERNAL_ERROR = 2
SEND_ERROR = 3
USER_CANCELED = 4
OTHERS = 5.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CALL FUNCTION LV_FMNAME 调用打印表单接口函数
EXPORTING
OUTPUT_OPTIONS = LS_COMPOP
CONTROL_PARAMETERS = LS_CTRLOP
USER_SETTINGS = ' '
IMPORTING
JOB_OUTPUT_INFO = LS_RETURN
EXCEPTIONS
FORMATTING_ERROR = 1
INTERNAL_ERROR = 2
SEND_ERROR = 3
USER_CANCELED = 4
OTHERS = 5.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ELSE.
ENDIF.
CALL FUNCTION 'SSF_CLOSE' "关闭打印表单
IMPORTING
JOB_OUTPUT_INFO = LS_INFO
EXCEPTIONS
FORMATTING_ERROR = 1
INTERNAL_ERROR = 2
SEND_ERROR = 3
OTHERS = 4.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ELSE.
APPEND LINES OF LS_INFO-OTFDATA TO LT_OTF.
ENDIF.
CALL FUNCTION 'CONVERT_OTF' "转换PDF格式
EXPORTING
FORMAT = 'PDF'
PDF_USERNAME = 'TIANCZ'
IMPORTING
BIN_FILESIZE = LV_SIZE
BIN_FILE = LV_BENFILE
TABLES
OTF = LT_OTF
LINES = LT_TLINE
EXCEPTIONS
ERR_MAX_LINEWIDTH = 1
ERR_FORMAT = 2
ERR_CONV_NOT_POSSIBLE = 3
ERR_BAD_OTF = 4
OTHERS = 5.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
IF LV_BENFILE IS NOT INITIAL.
CALL FUNCTION 'SCMS_XSTRING_TO_BINARY' "转换PDF添加邮件附件
EXPORTING
BUFFER = LV_BENFILE
IMPORTING
OUTPUT_LENGTH = LV_SIZE
TABLES
BINARY_TAB = LT_RECORD.
ENDIF.
REFRESH:GT_RECLIST,GT_OBJTXT,GT_OBJBIN,GT_OBJPACK.
CLEAR: LS_DOC_CHNG.
"将转换后的文件添加到邮件附件
APPEND LINES OF LT_RECORD TO GT_OBJBIN.
"添加邮件正文
GT_OBJTXT = ''.
APPEND GT_OBJTXT.
GT_OBJTXT = '邮件测试，包含一个PDF附件'.
APPEND GT_OBJTXT.
"邮件正文行数
LV_LINES_TXT = LINES( GT_OBJTXT ).
LV_OBJECT = '邮件测试'.
LV_PDFNAME = 'SM转换的PDF文件.pdf'.
LS_DOC_CHNG-OBJ_LANGU = SY-LANGU.
LS_DOC_CHNG-OBJ_NAME = 'Email'.
LS_DOC_CHNG-EXPIRY_DAT = SY-DATUM + 10.
LS_DOC_CHNG-OBJ_DESCR = LV_OBJECT. "邮件主题
LS_DOC_CHNG-SENSITIVTY = 'F'.
LS_DOC_CHNG-DOC_SIZE = LV_LINES_TXT * 255 + LV_SIZE.
LS_DOC_CHNG-PRIORITY = '1'.
CLEAR GT_OBJPACK-TRANSF_BIN.
GT_OBJPACK-HEAD_START = 1.
GT_OBJPACK-HEAD_NUM = 0.
GT_OBJPACK-BODY_START = 1.
GT_OBJPACK-BODY_NUM = LV_LINES_TXT.
GT_OBJPACK-DOC_TYPE = 'RAW'.
APPEND GT_OBJPACK.
CLEAR:LV_LINES_BIN.
GT_OBJPACK-TRANSF_BIN = 'X'.
GT_OBJPACK-HEAD_START = 1.
GT_OBJPACK-HEAD_NUM = 1.
GT_OBJPACK-BODY_START = 1.
LV_LINES_BIN = LINES( LT_RECORD ).
GT_OBJPACK-DOC_SIZE = LV_SIZE .
GT_OBJPACK-BODY_NUM = LV_LINES_BIN.
GT_OBJPACK-DOC_TYPE = 'PDF'.
GT_OBJPACK-OBJ_NAME = 'PO'.
GT_OBJPACK-OBJ_DESCR = LV_PDFNAME.
APPEND GT_OBJPACK.
GT_RECLIST-RECEIVER = 'XXXXX@163.com'."收件人邮箱
GT_RECLIST-REC_TYPE = 'U'.
APPEND GT_RECLIST.
CALL FUNCTION 'SO_NEW_DOCUMENT_ATT_SEND_API1'
EXPORTING
DOCUMENT_DATA = LS_DOC_CHNG " 邮件属性
PUT_IN_OUTBOX = ''
COMMIT_WORK = 'X'
TABLES
PACKING_LIST = GT_OBJPACK " 邮件内容
CONTENTS_BIN = GT_OBJBIN " 附件内容（二进制）
CONTENTS_TXT = GT_OBJTXT " 邮件内容（直接填入）
RECEIVERS = GT_RECLIST " 收件箱地址
EXCEPTIONS
TOO_MANY_RECEIVERS = 1
DOCUMENT_NOT_SENT = 2
DOCUMENT_TYPE_NOT_EXIST = 3
OPERATION_NO_AUTHORIZATION = 4
PARAMETER_ERROR = 5
X_ERROR = 6
ENQUEUE_ERROR = 7
OTHERS = 8.
IF SY-SUBRC = 0.
MESSAGE '发送成功！' TYPE 'S'.
WAIT UP TO 1 SECONDS.
SUBMIT RSCONN01 WITH MODE = 'INT'
WITH OUTPUT = ''
AND RETURN.
ELSE.
MESSAGE '发送失败！' TYPE 'S'.
ENDIF.
T-CODE：SOST--查看邮件发送情况：
可参考学习笔记：https://www.cnblogs.com/StephenAmell/p/17414767.html