[英]how to get week day for given date for using Calendar in android studio
这是我的代码:
// Date birthDay;
GregorianCalendar birthDay = new GregorianCalendar();
birthDay.set(year_int,mo,da,0,0,0);
int weekday = birthDay.get(GregorianCalendar.DAY_OF_WEEK);
String weekDay = String.valueOf(weekday -1);
weekDay = weekDay.replace("0","Sunday.");
weekDay = weekDay.replace("1","Monday.");
weekDay = weekDay.replace("2","Tuesday.");
weekDay = weekDay.replace("3","Wednesday.");
weekDay = weekDay.replace("4","Thursday.");
weekDay = weekDay.replace("5","Friday.");
weekDay = weekDay.replace("6","Saturday.");
怎么了 请帮我。
请改用joda-time。
DateTime birthDay = new DateTime(year, mo,day, 0, 0, 0);
DateTimeFormatter format = DateTimeFormat.forPattern("EEEE");
String weekDay = birthday.toString(format);
将返回星期几。
如果要使用日历:
SimpleDateFormat sdf = new SimpleDateFormat("EEEE");
Calendar calendar = new GregorianCalendar(year, mo,day, 0, 0, 0);
String weekDay = sdf.format(calendar.getTime());
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