CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG

本文介绍如何在ABAP中使用CL_GUI_FRONTEND_SERVICES类的FILE_OPEN_DIALOG方法来实现文件选择对话框的功能,包括设置对话框标题、默认文件类型等参数。

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*数据的定义

DATA: TAB         TYPE FILETABLE,         "存放文件名的内表

      WA          TYPE LINE OF FILETABLE, "用来读取文件名的结构

FILE_FILTER TYPE STRING, "file filter

      RC          TYPE I.                 "函数返回值

 

*定义file filter,注意定义的格式,显示的时候最后一个为默认的显示

*与你定义的DEFAULT_EXTENSION无关

FILE_FILTER = 'All Files (*.*)|*.*|Excel Files (*.xls)|*.xls|Word files(*.doc)|*.doc'.

 

*这就是打开文件的函数,或者说方法也行

CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG

  EXPORTING

*   对话框的标题 

    WINDOW_TITLE            = 'WINDOW_TITLE'

*   默认的文件后缀名   

    DEFAULT_EXTENSION       = '*.DOC'

*   默认打开的文件名   

    DEFAULT_FILENAME        = 'C:/TEST'

*   文件打开的filter   

    FILE_FILTER             = FILE_FILTER

*   初始化的目录   

    INITIAL_DIRECTORY       = 'C:/'

*   是否可以同时打开多个文件

    MULTISELECTION          = 'X'

  CHANGING

*   你所打开的文件名字列表 

    FILE_TABLE              = TAB

*   返回值,如果成功打开了,为1   

    RC                      = RC

  EXCEPTIONS

    FILE_OPEN_DIALOG_FAILED = 1

    CNTL_ERROR              = 2

    ERROR_NO_GUI            = 3

    NOT_SUPPORTED_BY_GUI    = 4

    others                  = 5

        .

IF SY-SUBRC = 0 AND RC = 1.

READ TABLE TAB INTO P_FILE.

ENDIF.

REPORT Z_XTT_FILE_BROWSER. DATA: V_FILE_PATH TYPE STRING, V_DIR_PATH TYPE STRING. PARAMETERS: P_FILE TYPE RLGRAP-FILENAME DEFAULT 'C:\' OBLIGATORY, P_DIR TYPE RLGRAP-FILENAME DEFAULT 'C:\' OBLIGATORY. SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001. PARAMETERS: RB_FILE RADIOBUTTON GROUP GR1 DEFAULT 'X', RB_DIR RADIOBUTTON GROUP GR1. SELECTION-SCREEN END OF BLOCK B1. AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FILE. PERFORM FRM_GET_FILE_PATH. AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_DIR. PERFORM FRM_GET_DIR_PATH. FORM FRM_GET_FILE_PATH. DATA: LIT_FILES TYPE FILETABLE, LWA_FILE TYPE FILE_TABLE, V_RC TYPE I. CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG EXPORTING WINDOW_TITLE = 'Select File' DEFAULT_EXTENSION = '*.*' MULTISELECTION = ABAP_FALSE CHANGING FILE_TABLE = LIT_FILES RC = V_RC EXCEPTIONS FILE_OPEN_DIALOG_FAILED = 1 CNTL_ERROR = 2 ERROR_NO_GUI = 3 NOT_SUPPORTED_BY_GUI = 4 OTHERS = 5. IF SY-SUBRC = 0 AND V_RC = 1. READ TABLE LIT_FILES INTO LWA_FILE INDEX 1. IF SY-SUBRC = 0. P_FILE = LWA_FILE-FILENAME. ENDIF. ENDIF. ENDFORM. FORM FRM_GET_DIR_PATH. DATA: V_DIR TYPE STRING. CALL METHOD CL_GUI_FRONTEND_SERVICES=>DIRECTORY_BROWSE EXPORTING WINDOW_TITLE = 'Select Directory' INITIAL_FOLDER = 'C:\' CHANGING SELECTED_FOLDER = V_DIR EXCEPTIONS CNTL_ERROR = 1 ERROR_NO_GUI = 2 NOT_SUPPORTED_BY_GUI = 3 OTHERS = 4. IF SY-SUBRC = 0. P_DIR = V_DIR. ENDIF. ENDFORM. START-OF-SELECTION. IF RB_FILE = 'X'. V_FILE_PATH = P_FILE. WRITE: / 'Selected File:', V_FILE_PATH. ELSE. V_DIR_PATH = P_DIR. WRITE: / 'Selected Directory:', V_DIR_PATH. ENDIF. ### 问题: 如何创建一个SAP接口来获取国家特定的数字格式、日期格式和时间格式设置,包括可选的相关描述信息? ### 代码: REPORT ZGET_COUNTRY_FORMATS. TABLES: T005X. TYPES: BEGIN OF TY_COUNTRY_FORMAT, LAND1 TYPE T005X-LAND1, NUMCO TYPE T005X-NUMCO, DATFM TYPE T005X-DATFM, TIMEFM TYPE T005X-TIMEFM, LANDX TYPE T005X-LANDX, DATFMTXT TYPE T005X-DATFMTXT, TIMEFMTXT TYPE T005X-TIMEFMTXT, END OF TY_COUNTRY_FORMAT. DATA: IT_COUNTRY_FORMATS TYPE STANDARD TABLE OF TY_COUNTRY_FORMAT, WA_COUNTRY_FORMAT TYPE TY_COUNTRY_FORMAT. SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001. PARAMETERS: P_LAND1 TYPE T005X-LAND1 OBLIGATORY. SELECT-OPTIONS: S_NUMCO FOR T005X-NUMCO. PARAMETERS: CB_DESC AS CHECKBOX DEFAULT 'X'. SELECTION-SCREEN END OF BLOCK B1. START-OF-SELECTION. PERFORM FRM_GET_COUNTRY_FORMATS. FORM FRM_GET_COUNTRY_FORMATS. SELECT LAND1 NUMCO DATFM TIMEFM LANDX DATFMTXT TIMEFMTXT FROM T005X INTO TABLE IT_COUNTRY_FORMATS WHERE LAND1 = P_LAND1 AND NUMCO IN S_NUMCO. IF CB_DESC = 'X'. LOOP AT IT_COUNTRY_FORMATS INTO WA_COUNTRY_FORMAT. WRITE: / 'Country:', WA_COUNTRY_FORMAT-LAND1, / 'Numeric Format:', WA_COUNTRY_FORMAT-NUMCO, / 'Date Format:', WA_COUNTRY_FORMAT-DATFM, / 'Time Format:', WA_COUNTRY_FORMAT-TIMEFM, / 'Country Name:', WA_COUNTRY_FORMAT-LANDX, / 'Date Format Desc:', WA_COUNTRY_FORMAT-DATFMTXT, / 'Time Format Desc:', WA_COUNTRY_FORMAT-TIMEFMTXT. ENDLOOP. ELSE. LOOP AT IT_COUNTRY_FORMATS INTO WA_COUNTRY_FORMAT. WRITE: / 'Country:', WA_COUNTRY_FORMAT-LAND1, / 'Numeric Format:', WA_COUNTRY_FORMAT-NUMCO, / 'Date Format:', WA_COUNTRY_FORMAT-DATFM, / 'Time Format:', WA_COUNTRY_FORMAT-TIMEFM. ENDLOOP. ENDIF. ENDFORM. 上面代码用了CLASS,把他改成不用CLASS的方法
07-11
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