关于星期(周)的函数

FM：GET_WEEK_INFO_BASED_ON_DATE

 输入参数                        值
 DATE                            2008.01.09

 输出参数                        值
 WEEK                            200802      <----2008年第二周
 MONDAY                          2008.01.07  <----这个周周一的日期
 SUNDAY                          2008.01.13  <----周日的日期
 
 
FM：DAY_IN_WEEK(输入日期是星期几)
 
 输入参数                        值
 DATUM                           2008.01.09

 输出参数                        值
 WOTNR                           3           <----2008-1-9为周三

 

*更多关于Week的函数请看Function Group：CADA

 

 

*弹出选择周的对话框

AT SELECTION-SCREEN ON VALUE-REQUEST FOR s_week-low.
  PERFORM getweek CHANGING s_week-low.

FORM getweek CHANGING p_week .
  DATA: begin_date TYPE d .

  CALL FUNCTION 'POPUP_CALENDAR_SDB'
       EXPORTING
            sel_week   = 'X'
            focus_day  = sy-datum
       IMPORTING
            begin_date = begin_date.

  CALL FUNCTION 'GET_WEEK_INFO_BASED_ON_DATE'
       EXPORTING
            date = begin_date
       IMPORTING
            week = p_week.
ENDFORM.