SAP 调用RFC 的时候记录异常报错方式

 1 DATA: lv_error TYPE char100.
 2 
 3 CALL FUNCTION 'ZRFC_WM_ZEL001' DESTINATION lv_desc
 4   EXPORTING
 5     process_flag          = lv_zclbs
 6   IMPORTING
 7     return_value          = lv_subrc
 8     return_message        = lv_message
 9   TABLES
10     zel_stockchange_head  = lt_stockchange_head
11     zel_stockchange_item  = lt_stockchange_item
12   EXCEPTIONS
13     system_failure        = 1  MESSAGE lv_error
14     communication_failure = 2  MESSAGE lv_error
15     OTHERS                = 3.
16 
17 IF sy-subrc = 0.
18   e_subrc = lv_subrc.
19   e_message = lv_message.
20 ELSE.
21   e_subrc = sy-subrc.
22 *    e_message = 'RFC连接错误'.
23   e_message = lv_error.
24 ENDIF.

lv_error 记录报错消息