calendar 类的使用

使用calendar类设定指定的时间：

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下周，或者下个月

        Calendar calendar = Calendar.getInstance();        calendar.set(Calendar.YEAR, 2013);   //设定年份//      calendar.set(Calendar.MONTH, 10);   //设定月份,显示的比当前多一个月      calendar.set(Calendar.DAY_OF_MONTH, 20);  //设定日期      calendar.set(Calendar.HOUR_OF_DAY, 17);   //设定 小时      calendar.set(Calendar.MINUTE, 30);     //设定分钟        //      calendar.add(Calendar.DATE, 7);  //下周的      calendar.add(Calendar.MONTH, 2);   //下个月              Date date =  calendar.getTime();        date.getTime();        SimpleDateFormat mDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        mDateFormat.format(date);        Log.d("test",  mDateFormat.format(date));

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?? 得到下周一的时间

public static long getNextWeekTime(int type, String hh, String mm){SimpleDateFormat mDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Calendar calendar = Calendar.getInstance();calendar.set(Calendar.HOUR_OF_DAY, Integer.parseInt(hh));calendar.set(Calendar.MINUTE,Integer.parseInt(mm));switch (type) {case 0:calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);break;case 1:calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);break;case 2:calendar.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);break;case 3:calendar.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);break;case 4:calendar.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);break;case 5:calendar.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);break;case 6:calendar.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);break;}long currentTime = System.currentTimeMillis();long scanTime = calendar.getTime().getTime();if(currentTime > scanTime){ calendar.add(Calendar.DATE, 7);}Log.d("test"+ mDateFormat.format(calendar.getTime()));return calendar.getTime().getTime();}

?得到下周一的时间：

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