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如何将SAP WebClient UI的表格导出成PDF

原创 IT综合 作者:i042416 时间:2020-08-26 20:38:29 0 删除 编辑

In WebClient for configTable control there is a functionality to export the whole table content as an excel.

Only simple steps are necessary to support export with PDF format as well. The achievement would be: a new button is added to table toolbar.

Once pressed, a new PDF with all table records are displayed.

Required steps are briefly listed below.

(1) Create a new post exit on class CL_BTSRV_ADVSRL_CNTRL, method PREPARE_TOOLBAR, in order to add a new button for PDF export in table toolbar.

Post exit source code:

CLASS lcl_zexport_button DEFINITION DEFERRED.CLASS cl_btsrv_advsrl_cntrl DEFINITION LOCAL FRIENDS lcl_zexport_button.CLASS lcl_zexport_button DEFINITION.
    CLASS-DATA obj TYPE REF TO lcl_zexport_button.          "#EC NEEDED    DATA core_object TYPE REF TO cl_btsrv_advsrl_cntrl .    "#EC NEEDED INTERFACES  IPO_ZEXPORT_BUTTON.
      constructor IMPORTING core_object
                              TYPE REF TO cl_btsrv_advsrl_cntrl OPTIONAL.ENDCLASS.CLASS lcl_zexport_button IMPLEMENTATION.
  METHOD constructor.
    me->core_object = core_object.
  METHOD ipo_zexport_button~prepare_toolbar.*"------------------------------------------------------------------------**" Declaration of POST-method, do not insert any comments here please!*"*"methods PREPARE_TOOLBAR .*"------------------------------------------------------------------------*
    DATA: ls_button               TYPE crmt_thtmlb_button.
    ls_button-type     = cl_thtmlb_util=>gc_icon_accept.
    ls_button-on_click = 'EXPORT'.
    ls_button-text = 'Export to PDF'.
    ls_button-enabled  = abap_true.
    APPEND ls_button TO ME->CORE_OBJECT->gt_button.

(2) add a new event EXPORT and implement the handler in the result view:

Source code of export implementation:

    cl_crm_order_2_pdf=>open_pdf( io_col_wrapper = me->typed_context->btqrsrvord->collection_wrapper
                                  io_window_manager = me->comp_controller->window_manager ).
  endmethod.Source code of method open_pdf:
  METHOD open_pdf.
    DATA: lv_query TYPE string.
    CHECK io_col_wrapper->size( ) > 0.
    DATA(iterator) = io_col_wrapper->get_iterator( ).
    DATA(bol) = iterator->get_current( ).
      lv_query = lv_query && ',' && bol->get_property_as_string( 'GUID' ).
      bol = iterator->get_next( ).
    lv_query = 'uuid=' && lv_query.
    DATA(lv_url) = cl_crm_web_utility=>create_url( iv_path = '/sap/crm/order_print'
                                             iv_query = lv_query
                                             iv_in_same_session = 'X' ).
    DATA(lv_title) = 'Service Order PDF List'.
    DATA(lr_popup) =  io_window_manager->create_popup(  iv_interface_view_name = 'GSURLPOPUP/MainWindow'
                                                                    iv_usage_name          = 'CUGURLPopup'
                                                                    iv_title               = CONV #( lv_title ) ).
    DATA(lr_cn) = lr_popup->get_context_node( 'PARAMS' ).
    DATA(lr_obj) = lr_cn->collection_wrapper->get_current( ).
    DATA(ls_params) = VALUE crmt_gsurlpopup_params( url = lv_url height = '1000' ).
    lr_obj->set_properties( ls_params ).
    lr_popup->set_display_mode( if_bsp_wd_popup=>c_display_mode_plain ).
    lr_popup->set_window_width( 1000 ).
    lr_popup->set_window_height( 1000 ).
    lr_popup->open( ).

(3) Since in step 2 the reuse component GSURLPOPUP is utilized to hold rendered PDF as popup, so we need to declare it as component usage in the component of search result view:

(4) In step 2, the ICF service /sap/crm/order_print is declared but not implemented, so we have to create it in this step via tcode SICF.

Still use CL_CRM_ORDER_2_PDF as handler class,

and the main logic for PDF generation is done in method HANDLE_REQUEST of this handler class:

    CONSTANTS c_linelen TYPE i VALUE 255.
    DATA: wa_data(c_linelen) TYPE x,
          lt_data            LIKE TABLE OF wa_data.
    DATA: lv_pdf_length  TYPE i,
          lv_pdf_xstring TYPE xstring,
          ls_guid_str    TYPE string.
    DATA(lv_uuid) = server->request->get_form_field( 'uuid' ).
    CALL METHOD me->get_output_data
        iv_uuid   = lv_uuid
        fpcontent = lv_pdf_xstring.
        buffer        = lv_pdf_xstring
        output_length = lv_pdf_length
        binary_tab    = lt_data.
    DATA(lv_contenttype) = 'application/pdf'.
    ls_guid_str = lv_uuid.
    CONCATENATE ls_guid_str '.pdf' INTO DATA(lv_filename).
                        data   = lv_pdf_xstring
                        length = lv_pdf_length ).
    CONCATENATE 'inline; filename=' lv_filename
      INTO DATA(lv_contentdisposition).
    CALL METHOD server->response->set_header_field
        name  = 'content-disposition'
        value = lv_contentdisposition.
    CALL METHOD server->response->set_header_field
        name  = 'content-type'
        value = CONV #( lv_contenttype ).
    CALL METHOD server->response->set_header_field
        name  = 'content-filename'
        value = lv_filename.
             name = 'Cache-Control' ).
             name = 'Expires' ).

(5) Develop an Adobe Form to display the table content.

The table in the Adobe Form must behave as so called “data-driven” way, which means the table content in the PDF must grow according to the actual data passed into the PDF rendering processor. First create an ABAP interface for Adobe form via tcode SFP:

The signature for this interface:

Once done, create a new Form template PF_CRM_ORDER_LIST via tcode SFP as well:

Key steps which makes the table in the form template be able to automatically grow according to the feed data source: (1) The body page must be flowed instead of positioned:

(2) The table content row must be bound to a context node which has 0:n occurrence, and the “Repeat Row for Each Data Item” checkbox must be enabled.

As in step 4, I use a SELECT * from CRMD_ORDERADM_H as the data source for this template, which means you can bind any field in ABAP structure CRMD_ORDERADM_H to the table cell in PDF, as illustrated below.

Activate both form interface and form template and the corresponding PDF would be generated now once export button is pressed. You upload to your SFP workbench via command fb_xdp_up:


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