package cn.com.lzt.tools;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class HGLDateUtils {

	 
	// 获得当天0点时间
	public static Date getTimesmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
 
 
	}
	// 获得昨天0点时间
	public static Date getYesterdaymorning() {
		Calendar cal = Calendar.getInstance();
		cal.setTimeInMillis(getTimesmorning().getTime()-3600*24*1000);
		return cal.getTime();
	}
	// 获得当天近7天时间
	public static Date getWeekFromNow() {
		Calendar cal = Calendar.getInstance();
		cal.setTimeInMillis( getTimesmorning().getTime()-3600*24*1000*7);
		return cal.getTime();
	}
 
	// 获得当天24点时间
	public static Date getTimesnight() {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY, 24);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}
 
	// 获得本周一0点时间
	public static Date getTimesWeekmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
		return cal.getTime();
	}
 
	// 获得本周日24点时间
	public static Date getTimesWeeknight() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getTimesWeekmorning());
		cal.add(Calendar.DAY_OF_WEEK, 7);
		return cal.getTime();
	}
 
	// 获得本月第一天0点时间
	public static Date getTimesMonthmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
		return cal.getTime();
	}
 
	// 获得本月最后一天24点时间
	public static Date getTimesMonthnight() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
		cal.set(Calendar.HOUR_OF_DAY, 24);
		return cal.getTime();
	}
 
	public static Date getLastMonthStartMorning() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getTimesMonthmorning());
		cal.add(Calendar.MONTH, -1);
		return cal.getTime();
	}
 
	public static Date getCurrentQuarterStartTime() {
		Calendar c = Calendar.getInstance();
		int currentMonth = c.get(Calendar.MONTH) + 1;
		SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
		Date now = null;
		try {
			if (currentMonth >= 1 && currentMonth <= 3)
				c.set(Calendar.MONTH, 0);
			else if (currentMonth >= 4 && currentMonth <= 6)
				c.set(Calendar.MONTH, 3);
			else if (currentMonth >= 7 && currentMonth <= 9)
				c.set(Calendar.MONTH, 6);
			else if (currentMonth >= 10 && currentMonth <= 12)
				c.set(Calendar.MONTH, 9);
			c.set(Calendar.DATE, 1);
			now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
		} catch (Exception e) {
			e.printStackTrace();
		}
		return now;
	}
 
	/**
	 * 当前季度的结束时间，即2012-03-31 23:59:59
	 *
	 * @return
	 */
	public static Date getCurrentQuarterEndTime() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getCurrentQuarterStartTime());
		cal.add(Calendar.MONTH, 3);
		return cal.getTime();
	}
 
 
	public static Date getCurrentYearStartTime() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.YEAR));
		return cal.getTime();
	}
 
	public static Date getCurrentYearEndTime() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getCurrentYearStartTime());
		cal.add(Calendar.YEAR, 1);
		return cal.getTime();
	}
 
	public static Date getLastYearStartTime() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getCurrentYearStartTime());
		cal.add(Calendar.YEAR, -1);
		return cal.getTime();
	}
	//返回的是字符串型的时间，输入的
	//是String day, int x
	public static String addDateMinut(String day, int x)

	{
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		// 24小时制
		// 引号里面个格式也可以是 HH:mm:ss或者HH:mm等等，很随意的，不过在主函数调用时，要和输入的变
		// 量day格式一致
		Date date = null;
		try {
			date = format.parse(day);
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		if (date == null)
			return "";
		Calendar cal = Calendar.getInstance();
		cal.setTime(date);
		cal.add(Calendar.MINUTE, x);// 24小时制
		date = cal.getTime();
		cal = null;
		return format.format(date);

	}
	
	//返回的是字符串型的时间，输入的
	// 是String day, int x
	public static String addDateMonth(String month, int x)

	{
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		SimpleDateFormat monthformat = new SimpleDateFormat("yyyy-MM");
		// 24小时制
		// 引号里面个格式也可以是 HH:mm:ss或者HH:mm等等，很随意的，不过在主函数调用时，要和输入的变
		// 量day格式一致
		Date date = null;
		try {
			date = format.parse(month + "-01 00:00:00");
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		if (date == null)
			return "";
		Calendar cal = Calendar.getInstance();
		cal.setTime(date);
		cal.add(Calendar.MONTH, x);// 24小时制
		date = cal.getTime();
		cal = null;
		return monthformat.format(date);

	}
	
	//返回的是字符串型的时间，输入的
	// 是String day, int x
	public static String addDateDay(String day, int x ,SimpleDateFormat format)
	{
		if(format == null) {
			format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		}
		// 24小时制
		// 引号里面个格式也可以是 HH:mm:ss或者HH:mm等等，很随意的，不过在主函数调用时，要和输入的变
		// 量day格式一致
		Date date = null;
		try {
			date = format.parse(day.length() > 10 ? day : day+" 00:00:00");
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		if (date == null)
			return "";
		Calendar cal = Calendar.getInstance();
		cal.setTime(date);
		cal.add(Calendar.DATE, x);// 24小时制
		date = cal.getTime();
		cal = null;
		return format.format(date);

	}
}