package com.espeed.yxy.tool;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
 * 程序名称:    	EspeedMail_时速邮箱
 * 程序版本:    	V1.0
 * 作    者:    	深圳市科飞时速网络技术有限公司(0755-88843776)
 * 版权所有:    	深圳市科飞时速网络技术有限公司
 * 技术支持:    	Tech@21gmail.com
 * 单元名称:    日期转换工具类(营销游)
 * 开始时间:    	2013.12.09
 * 程 序 员:    	谢勇
 * 最后修改:    
 * 备    注:		如需修改请通知程序员    
 */
public class DateFormat {
	private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
	private static SimpleDateFormat sdf2 = new SimpleDateFormat(
			"yyyy-MM-dd hh:mm:ss");

	/**将字符串转换日期*/
	public static Date dateToString(String str) {
		
		Date dateNum = null;
		try {
			dateNum = sdf.parse(str);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return dateNum;
	}

	/** 将字符串转换日期*/
	public static Date dateToString2(String str) {
		Date dateNum = null;
		try {
			dateNum = sdf2.parse(str);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return dateNum;
	}

	/** 将日期转换为字符串*/
	public static String simpleDataFormat(Date date) {//yy必须小写，MM是月份，mm是分；HH是24小时制，而hh是12小时制*/
		String str = sdf.format(date);
		return str;
	}

	/**给定一个日期型字符串，返回加减n天后的日期型字符串*/
	public static String nDaysAfterOneDateString(String basicDate, int n) {
		Date tmpDate = null;
		try {
			tmpDate = sdf2.parse(basicDate);
			System.out.println(tmpDate);
		} catch (Exception e) {
			//日期型字符串格式错误
		}
		long nDay = (tmpDate.getTime() / (24 * 60 * 60 * 1000) + 1 + n)* (24 * 60 * 60 * 1000);
		tmpDate.setTime(nDay);

		return sdf2.format(tmpDate);
	}

	/**给定一个日期，返回加减n天后的日期*/
	public static Date nDaysAfterOneDate(Date basicDate, int n) {
		long nDay = (basicDate.getTime() / (24 * 60 * 60 * 1000) + 1 + n)
				* (24 * 60 * 60 * 1000);
		basicDate.setTime(nDay);

		return basicDate;
	}

	/**判断日期为星期几,0为星期天,依此类推*/
	public static String dayOfWeek(String strdate) {
		SimpleDateFormat df = new SimpleDateFormat("yyyy年MM月dd日");
		Date date = null;
		try {
			date = df.parse(strdate);
		} catch (ParseException e) {
			System.out.println("字符型转日期有异常");
		}
		//首先定义一个calendar，必须使用getInstance()进行实例化
		Calendar aCalendar = Calendar.getInstance();
		//里面野可以直接插入date类型
		aCalendar.setTime(date);
		//计算此日期是一周中的哪一天
		int x = aCalendar.get(Calendar.DAY_OF_WEEK) - 1;
		String week = "";
		switch (x) {
		case 0:
			week = "星期天";
			break;
		case 1:
			week = "星期一";
			break;
		case 2:
			week = "星期二";
			break;
		case 3:
			week = "星期三";
			break;
		case 4:
			week = "星期四";
			break;
		case 5:
			week = "星期五";
			break;
		case 6:
			week = "星期六";
			break;

		}
		return week;
	}
	
	/**判断日期为星期几,0为星期天,依此类推*/
	public static int dayOfWeekNum(String strdate) {
		SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
		Date date = null;
		try {
			date = df.parse(strdate);
		} catch (ParseException e) {
			System.out.println("字符型转日期有异常");
		}
		//首先定义一个calendar，必须使用getInstance()进行实例化
		Calendar aCalendar = Calendar.getInstance();
		//里面野可以直接插入date类型
		aCalendar.setTime(date);
		//计算此日期是一周中的哪一天
		int x = aCalendar.get(Calendar.DAY_OF_WEEK) - 1;
		int week = 0;
		switch (x) {
		case 0:
			week = 7;
			break;
		case 1:
			week = 1;
			break;
		case 2:
			week = 2;
			break;
		case 3:
			week = 3;
			break;
		case 4:
			week = 4;
			break;
		case 5:
			week = 5;
			break;
		case 6:
			week = 6;
			break;

		}
		return week;
	}
	
	
	/** 计算两个日期相隔的天数*/
	public static int nDaysBetweenTwoDate(Date firstDate, Date secondDate) {
		int nDay = (int) ((secondDate.getTime() - firstDate.getTime()) / (24 * 60 * 60 * 1000));
		return nDay;
	}

	/**计算两个日期相隔的天数*/
	public static int nDaysBetweenTwoDate(String firstString, String secondString) {
		SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
		Date firstDate = null;
		Date secondDate = null;
		try {
			firstDate = df.parse(firstString);
			secondDate = df.parse(secondString);
		} catch (Exception e) {
			//日期型字符串格式错误
		}

		int nDay = (int) ((secondDate.getTime() - firstDate.getTime()) / (24 * 60 * 60 * 1000));
		
		System.out.println("相差"+nDay+"天");
		return nDay;
	}

	/** 某年某月有多少天*/
	public static int yearMonthDay(int year, int month) {
		int day = 0;
		if (((month >= 1) && (month <= 12)) && (year >= 0)) {
			if (month == 2) {
				if ((((year % 4) == 0) && ((year % 100) != 0))|| ((year % 400) == 0))
					day = 29;
				else
					day = 28;
			} else {
				if ((month == 1) || (month == 3) || (month == 5)
						|| (month == 7) || (month == 8) || (month == 10)
						|| (month == 12))

					day = 31;
				else
					day = 30;
			}
			System.out.println(year + "年" + month + "月的天数为：" + day);
		} else {
			System.out.println("请输入正确的年月！");
		}
		return day;
	}
	/**判断两时间相差的分钟数*/
	public static long minute1s(String beginDate,String endDate){
		
		Date begin = null;
		Date end = null;
		SimpleDateFormat dfs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		long minute1=0;
		try {
			begin = dfs.parse(beginDate);
			end = dfs.parse(endDate);
			
			long between = (end.getTime() - begin.getTime()) / 1000;//除以1000是为了转换成秒
			minute1 = between / 60;
			
			} catch (Exception e) {
			e.printStackTrace();
			}
		return minute1;
		
	}
	
	
	/**判断两时间相差的分钟数*/
	public static boolean isthisTimer(String nowTimer){
		
		int hour=Integer.parseInt(nowTimer.split(":")[0]);
		int minute=Integer.parseInt(nowTimer.split(":")[1]);

		System.out.println(nowTimer);
		System.out.println(hour);
		System.out.println(minute);
		
		if(hour==23||hour==0){
	    	if(hour==23&&minute>=30||hour==0&&minute<=30){
	    		return true;
	    	}else{
	    		return false;
		    }    
	    	
	    }else{
	    	return false;
	    }   

	}
	
	//获取当前时间加减后的日期
			public static String lastDays(int n){
				String resultdate="";
				try {
					//获取几天之前的时间
					SimpleDateFormat formatDate = new SimpleDateFormat("yyyy-MM-dd");  //字符串转换
					Calendar c = Calendar.getInstance();
					c.setTimeInMillis(new Date().getTime());
					c.add(Calendar.DATE, n);//多少天后的日期
					Date date= new Date(c.getTimeInMillis()); //将c转换成Date
					resultdate=formatDate.format(date);
				} catch (Exception e) {
					resultdate="";
					e.printStackTrace();
				}
				return resultdate; 
			}
	
	public static void main(String[] args) {
		try {
			SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd");
			String nowdate=df.format(new Date());
			System.out.println(minute1s("2016-10-10 10:10:00","2016-10-10 10:20:00"));
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
}