package untitled7;
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.text.DateFormat;
public class test {
public static void main(String args[]){
Date date= new Date();
String dateStr = "";
String weekStr = "";
Calendar calendar = Calendar.getInstance();
int week = calendar.get(Calendar.DAY_OF_WEEK)-1;
switch(week){
case 0:
weekStr = "星期日";
break;
case 1:
weekStr = "星期一";
break;
case 2:
weekStr = "星期二";
break;
case 3:
weekStr = "星期三";
break;
case 4:
weekStr = "星期四";
break;
case 5:
weekStr = "星期五";
break;
case 6:
weekStr = "星期六";
break;
}
Date dateBegin = new Date();
Date dateEnd = new Date();
DateFormat shortDateFormat = DateFormat.getDateInstance(0);
dateStr = shortDateFormat.format(date);
dateBegin.setTime(date.getTime()-(long)(week)*24*60*60*1000);
String dateBeginStr = shortDateFormat.format(dateBegin);
dateEnd.setTime(date.getTime()+(long)(7-week-1)*24*60*60*1000);
String dateEndStr = shortDateFormat.format(dateEnd);
System.out.println("今天是当年的第"+calendar.get(Calendar.WEEK_OF_YEAR )+"周");
System.out.println("今天是当月的"+calendar.get(calendar.DAY_OF_WEEK_IN_MONTH)+"周");
System.out.println("今天是"+weekStr);
System.out.println("本周的开始时间是"+dateBeginStr);
System.out.println("本周的结束时间是"+dateEndStr);
calendar.set( Calendar.DAY_OF_WEEK, 1 );
System.out.println( "本周的开始时间是"+(calendar.get(Calendar.MONTH)+1)+"月" + calendar.get( Calendar.DATE )+"日");
calendar.set(Calendar.DAY_OF_WEEK,7);
System.out.println( "本周的开始结束时间是"+(calendar.get(Calendar.MONTH)+1)+"月" + calendar.get( Calendar.DATE )+"日");
}
}