/**
* 获取指定月份的天数
* @return
*/
public static Integer getDayByMoth(String source,String pattern){
Assert.notNull(source,"dateString cannot be null");
Assert.notNull(pattern,"parse date pattern cannot be null");
SimpleDateFormat simpleDate = new SimpleDateFormat(pattern);
Calendar rightNow = Calendar.getInstance();
int days = 0;
try {
rightNow.setTime(simpleDate.parse(source));
days = rightNow.getActualMaximum(Calendar.DAY_OF_MONTH);
} catch (ParseException e) {
log.error("<getDayByMoth> parse date " + source + " error..{}",e);
}
return days;
}
