Java 判断一个日期是礼拜几
Java 判断一个日期是星期几
public static String getWeekOfDate(String day, SimpleDateFormat dt) {
Date date = null;
try {
date = dt.parse(day);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (date == null) {
return "";
}
String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (w < 0) {
w = 0;
}
return weekDays[w];
}