前言
没啥特殊需求，就是有个库龄报表用户想整邮件发送
实现
用的最简单的XLS文件作为excel附件发送出去
观察XLS文件的纯文本格式，每列之间用TAB制表符分隔，每行之间用回车符分隔
思路也比较明确，在SAP中实现这种格式，再转二进制流就好了
下面的代码替换掉lt_data就可以直接使用，用的动态内表自动将内表转成纯文本
abap
*&---------------------------------------------------------------------*
*& Form frm_2023122702
*&---------------------------------------------------------------------*
*& text
*&---------------------------------------------------------------------*
*& --> p1 text
*& <-- p2 text
*&---------------------------------------------------------------------*
FORM frm_2023122702 .
TYPES: BEGIN OF ty_mrtab,
matnr TYPE mara-matnr,
maktx TYPE makt-maktx,
mtart TYPE mara-mtart,
END OF ty_mrtab.
FIELD-SYMBOLS: <gt_table> TYPE table. "DYNAMIC TABLE INDICATE
" 容器字段
FIELD-SYMBOLS: <fs_data> TYPE any,
<fs_cell_data> TYPE any.
DATA: lr_data TYPE REF TO data,
lo_descr TYPE REF TO cl_abap_typedescr,
lo_str_descr_in TYPE REF TO cl_abap_structdescr,
ls_abap_comp_descr TYPE abap_compdescr.
"附件参数
DATA: lt_otf TYPE TABLE OF itcoo,
lt_tline TYPE TABLE OF tline,
lt_record TYPE TABLE OF solisti1,
ls_otf TYPE itcoo,
ls_tline TYPE tline,
ls_record TYPE solisti1.
"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_filename TYPE char50,
lt_objpack TYPE TABLE OF sopcklsti1 , "邮件内容 正文+附件
lt_objtxt TYPE TABLE OF solisti1 , "正文内容
lt_objbin TYPE TABLE OF solisti1 , "附件内容
lt_reclist TYPE TABLE OF somlreci1 , "收件人
ls_doc_chng TYPE sodocchgi1, "邮件属性
ls_objpack TYPE sopcklsti1,
ls_objtxt TYPE solisti1,
ls_objbin TYPE solisti1,
ls_reclist TYPE somlreci1.
DATA: lv_str TYPE string,
lv_cell TYPE string.
* 需要转excel的内表
DATA: lt_data TYPE TABLE OF ty_mrtab.
lt_data = VALUE #( ( matnr = '100' maktx = '硅粉621，纯度≥99.1%，P＜80ppm；B＜50ppm' mtart = '1000' )
( matnr = '200' maktx = '硅粉621，纯度≥99.1%，P＜80ppm；B＜50ppm' mtart = '1000' ) ).
" 转动态内表以符合各种场景
ASSIGN lt_data TO <gt_table>.
*&--获取lt_data的表结构
CREATE DATA lr_data LIKE LINE OF <gt_table>.
ASSIGN lr_data->* TO <fs_data>.
" EXCEL表头
* LOOP AT gt_fieldcat_alv INTO DATA(ls_fieldcat_alv).
* " 单元格 + TAB符
* lv_str = lv_str && ls_fieldcat_alv-seltext_l && cl_abap_char_utilities=>horizontal_tab.
* ENDLOOP.
* " 最后使用回车符换行
* lv_str = lv_str && cl_abap_char_utilities=>cr_lf.
*&--获取内表列字段
CALL METHOD cl_abap_structdescr=>describe_by_data
EXPORTING
p_data = <fs_data>
RECEIVING
p_descr_ref = lo_descr.
lo_str_descr_in ?= lo_descr.
*&--EXCEL表体
LOOP AT <gt_table> ASSIGNING <fs_data>.
* CLEAR: lv_str,lv_start,lv_end.
" 循环每行的每个单元格
LOOP AT lo_str_descr_in->components INTO ls_abap_comp_descr.
" 根据字段名找到字段
ASSIGN COMPONENT ls_abap_comp_descr-name OF STRUCTURE <fs_data> TO <fs_cell_data>.
" 去除首尾引号，否则xls文件中tab符会有问题
lv_cell = <fs_cell_data>.
REPLACE ALL OCCURRENCES OF REGEX '^"*|"*$' IN lv_cell WITH ''.
" 单元格 + TAB符
lv_str = lv_str && lv_cell && cl_abap_char_utilities=>horizontal_tab.
ENDLOOP.
" 最后使用回车符换行
lv_str = lv_str && cl_abap_char_utilities=>cr_lf.
ENDLOOP.
"string类型-> XSTRING
CALL FUNCTION 'SCMS_STRING_TO_XSTRING'
EXPORTING
text = lv_str
* mimetype = 'XLS'
encoding = '8404' "防止中文乱码
IMPORTING
buffer = lv_benfile
EXCEPTIONS
failed = 1
OTHERS = 2.
IF lv_benfile IS NOT INITIAL.
CALL FUNCTION 'SCMS_XSTRING_TO_BINARY'
EXPORTING
buffer = lv_benfile
IMPORTING
output_length = lv_size
TABLES
binary_tab = lt_record.
ENDIF.
"将转换后的文件添加到邮件附件
APPEND LINES OF lt_record TO lt_objbin.
* &---邮件处理
" 获取收件人
SELECT DISTINCT
smtp_addr
FROM zmmt045
INTO TABLE @DATA(lt_receiver).
lv_size = lines( lt_objbin ) * 255.
"添加邮件正文
ls_objtxt = 'ZMMR011报表已导出，请查看附件'. "
APPEND ls_objtxt TO lt_objtxt.
"邮件正文行数
lv_lines_txt = lines( lt_objtxt ).
lv_object = 'ZMMR011导出'. " 标题：ZMMR011报表
lv_filename = 'ZMMR011.XLS'. " 附件XLS命名
ls_doc_chng-obj_langu = sy-langu.
ls_doc_chng-obj_name = 'Email'. " Email
* ls_doc_chng-expiry_dat = sy-datum + 10. " 邮件过期日，在此日期后邮件将无法被查看
ls_doc_chng-obj_descr = lv_object. "邮件标题
* ls_doc_chng-sensitivty = 'F'. " 邮件保密等级
ls_doc_chng-doc_size = lv_lines_txt * 255 + lv_size.
ls_doc_chng-priority = '3'. " 1：低优先级 3：普通优先级 5：高优先级
CLEAR ls_objpack-transf_bin.
ls_objpack-head_start = 1.
ls_objpack-head_num = 0.
ls_objpack-body_start = 1.
ls_objpack-body_num = lv_lines_txt.
ls_objpack-doc_type = 'RAW'.
APPEND ls_objpack TO lt_objpack.
CLEAR:lv_lines_bin.
ls_objpack-transf_bin = 'X'.
ls_objpack-head_start = 1.
ls_objpack-head_num = 1.
ls_objpack-body_start = 1.
lv_lines_bin = lines( lt_objbin ).
ls_objpack-doc_size = lv_size .
ls_objpack-body_num = lv_lines_bin.
ls_objpack-doc_type = 'XLS'.
ls_objpack-obj_descr = lv_filename.
APPEND ls_objpack TO lt_objpack.
lt_reclist = VALUE #( FOR lw_receiver IN lt_receiver
( receiver = lw_receiver " 收件人邮箱
rec_type = 'U' ) ).
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 = lt_objpack " 邮件内容
contents_bin = lt_objbin " 附件内容（二进制）
contents_txt = lt_objtxt " 邮件内容（直接填入）
receivers = lt_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.
* es_return-type = 'S'.
* es_return-message = es_return-message && TEXT-m19. " 邮件发送成功
WAIT UP TO 1 SECONDS.
" 立即发送邮件
SUBMIT rsconn01 "#EC CI_SUBMIT
WITH mode = 'INT' WITH output = '' AND RETURN. ".
ELSE.
* es_return-type = 'S'.
* es_return-message = es_return-message && TEXT-m20. " 邮件发送失败
ENDIF.
ENDFORM.