?
?/*
? * 获取某个账期月的最大天数
? * param:setMonth? 格式yyyyMM
? * return: int?? 该月的最大天数
? */
?public int getLastDayOfMonth(String setMonth){
????? ?int year=Integer.parseInt(setMonth.substring(0, 4));
???? ? int month=Integer.parseInt(setMonth.substring(4, 6));
????? ?int day = 1;
?????? Calendar cal = Calendar.getInstance();
?????? cal.set(Calendar.YEAR, year);
????? ?cal.set(Calendar.MONTH, month-1);
?????? cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DATE));
?????? return cal.getActualMaximum(cal.DATE);
?}
原文:http://listen-raining.iteye.com/blog/2168357