获取当周和上周的周一、周日时间

获取当周和上周的周一、周日时间

获取当周的周一

public static String getFirstDay() {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	Calendar calendar = Calendar.getInstance();
	// 一周第一天为周日，所以这里+1
	calendar.setWeekDate(calendar.getWeekYrae(), calendar.get(Calendar.WEEK_of_year), 2);
	calendar.set(calendar.get(calendar.YEAR), calendar.get(Calendar.MONTH), calendar..get(calendar.DAY_OF_MONTH), 0, 0, 0);
	return sdf.format(calendar.getTime());
}
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获取当周的周日

public static String getLastDay() {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	Calendar calendar = Calendar.getInstance();
	// 一周第一天为周日，所以这里下周一为第一天
	calendar.setWeekDate(calendar.getWeekYrae(), calendar.get(Calendar.WEEK_of_year) + 1, 1);
	calendar.set(calendar.get(calendar.YEAR), calendar.get(Calendar.MONTH), calendar..get(calendar.DAY_OF_MONTH), 23, 59, 59);
	return sdf.format(calendar.getTime());
}
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获取上周一的时间

public static String getLastMonday() {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	Calendar calendar = Calendar.getInstance();
	// 设置周一为第一天
	calendar.setFirstDayOfWeek(Calendar.MONDAY);
	// 日期减去7天
	calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
	return sdf.format(calendar.getTime()) + " 00:00:00";
}
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获取上周日的时间

public static String getLastSunday() {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	Calendar calendar = Calendar.getInstance();
	// 设置周一为第一天
	calendar.setFirstDayOfWeek(Calendar.MONDAY);
	// 日期减去7天
	calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
	return sdf.format(calendar.getTime()) + " 23:59:59";
}
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