SAP ABAP编程 选择文件对话框 CL_GUI_FRONTEND_SERVICES=>FILE_SAVE_DIALOG
PARAMETERS:P_DOWNLIKERLGRAP-FILENAMEOBLIGATORY.ATSELECTION-SCREENONVALUE-REQUESTFORP_DOWN.PERFORMSAVE_EXCELUSINGP_DOWN.**********保存文件路径*****************FORMSAVE_EXCELUSINGP_DOWN.DATA:LC_FILENAMETYPEST