[英]ical4j Exception Calendar must contain at least one component
我試圖使用ical4j創建和保存ics
當我運行以下代碼時,我得到的日歷必須包含至少一個組件..如何將組件附加到我的日歷,或將事件附加到我的日歷...
線程“main”中的異常net.fortuna.ical4j.model.ValidationException:Calendar必須至少包含一個組件
Calendar calendar = new Calendar();
calendar.getProperties().add(new ProdId("-//Tyler Eans//iCal4j 1.0//EN"));
calendar.getProperties().add(Version.VERSION_2_0);
calendar.getProperties().add(CalScale.GREGORIAN);
java.util.Calendar cal = java.util.Calendar.getInstance();
cal.set(java.util.Calendar.MONTH, java.util.Calendar.DECEMBER);
cal.set(java.util.Calendar.DAY_OF_MONTH, 25);
VEvent christmas = new VEvent(new Date(cal.getTime()), "Christmas Day");
// initialise as an all-day event..
christmas.getProperties().getProperty(Property.DTSTART).getParameters().add(Value.DATE);
FileOutputStream fout = new FileOutputStream("mycalendar.ics");
CalendarOutputter outputter = new CalendarOutputter();
outputter.output(calendar, fout);
只需在輸出之前添加此行:
calendar.getComponents().add(christmas);
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