package com.slcf.util;

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

public class DateTimeUtil {
	static SimpleDateFormat sdfLongTime = new SimpleDateFormat("yyyyMMddHHmmssSSS");
	static SimpleDateFormat sdfTime = new SimpleDateFormat("yyyyMMddHHmmss");
    static SimpleDateFormat sdfDate = new SimpleDateFormat("yyyyMMdd");
	static SimpleDateFormat ddfLongTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
	static SimpleDateFormat ddfTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	static SimpleDateFormat ddfDate = new SimpleDateFormat("yyyy-MM-dd");
	static Calendar calendar = Calendar.getInstance();
    
    /**
     * 获取当前日期时间
     * 传入参数为整数8,10,14,17,19,23<br>
     * 根据传入长度返回8,10,14,17,19,23的字符串日期值<br>
     * 8 yyyyMMdd <br>
     * 10 yyyy-MM-dd <br>
     * 14 yyyyMMddHHmmss <br>
     * 17 yyyyMMddHHmmssSSS <br>
     * 19 yyyy-MM-dd HH:mm:ss<br>
     * 23 yyyy-MM-dd HH:mm:ss:SSS
    **/
    public static String getStringDateTime(int len){
    	Date date=new Date();
    	String cdate="";
		if (len == 17) {
			cdate = sdfLongTime.format(date);
		} else if (len == 14) {
			cdate = sdfTime.format(date);
		} else if (len == 8) {
			cdate = sdfDate.format(date);
		} else if (len == 19) {
			cdate = ddfTime.format(date);
		} else if (len == 23) {
			cdate = ddfLongTime.format(date);
		} else if (len == 10) {
			cdate = ddfDate.format(date);
		}
    	return cdate;
    	
    }
    /**
     * 字符串转时间
     * @param dateString 传入的时间字符串
     * @param len 取值如下<br>
     *  8 yyyyMMdd <br>
     * 10 yyyy-MM-dd <br>
     * 14 yyyyMMddHHmmss <br>
     * 17 yyyyMMddHHmmssSSS <br>
     * 19 yyyy-MM-dd HH:mm:ss<br>
     * 23 yyyy-MM-dd HH:mm:ss:SSS
     * @return
     */
    public static Date stringToDate(String dateString,int len){
    	Date date = null;
    	try {
			if (len == 17) {
				date = sdfLongTime.parse(dateString);
			} else if (len == 14) {
				date = sdfTime.parse(dateString);
			} else if (len == 8) {
				date = sdfDate.parse(dateString);
			} else if (len == 19) {
				date = ddfTime.parse(dateString);
			} else if (len == 23) {
				date = ddfLongTime.parse(dateString);
			} else if (len == 10) {
				date = ddfDate.parse(dateString);
			}
		} catch (Exception e) {
			return null;
		}
    	
		return date;
    }
    /**
     * 把传入的时间转化为字符串
     * @param date
     * @param len
     * @return
     */
    public static String dateToStr(Date date,int len){
    	if(date == null){
    		return null;
    	}
    	String cdate="";
    	if(len==17){
    		cdate=sdfLongTime.format(date);
    	}else if(len==14){
    		cdate=sdfTime.format(date);
    	}else if(len==8){
    		cdate=sdfDate.format(date);
    	}else if(len==19){
    		cdate = ddfTime.format(date);
    	}
    	return cdate;
    }
    
    /**
     * 
     * @param Idate数据
     * @param len需要剪切的长度
     * @return剪切后返回String类型
     */
    public static String getSubStringDateTime(String Idate,int len){
    	String rDate="";
    	if(Idate!=null && !Idate.equals("")){
	    	if(len==17){
	    		rDate=Idate;
	    	}else if(len==14){
	    		rDate=Idate.substring(0,len);
	    	}else if(len==8){
	    		rDate=Idate.substring(0,len);
	    	}
    	}
    	return rDate;
    }
    /**
     * 入参是string 日期时间类型如2012-06-08 10:00,2012-06-08等,len是长度
     * @param date
     * @return返回输入的同等长度时间
     */
    public static String getHourMinue(String date,int len){
    	Date date1=new Date();
    	String sDate="";
		date=date.trim();
    	if(date!=null){
    		if(date.indexOf("-")>-1){
		    	try {
					if(len==14){
						date1=ddfTime.parse(date);
						sDate=sdfTime.format(date1);
				    }else if(len==8){
						date1=ddfDate.parse(date);
				    	sDate=sdfDate.format(date1);
					}else if(len==17){
						date1=ddfLongTime.parse(date);
						sDate=sdfLongTime.format(date1);
					}
				} catch (ParseException e) {
					e.printStackTrace();
				}
    		}else{
    			sDate=date;
    		}
    	}
    	return sDate;
    }
    /**
     * 截取
     * 入参是string 日期时间类型如20120608100000,len是长度14,8,17
     * @param date
     * @return返回输入的同等长度时间
     */
    public static String getDateSubString(String date,int len){
    	if(date!=null&&len>0){
	    	if(len==14){
	    		return date.substring(0,14);
	    	}else if(len==8){
	    		return date.substring(0,8);
	    	}else if(len==6){
	    		return date.substring(0,6);
	    	}
    	}
    	return null;
    }
    /**
     * 将数据库的string日期类型转成日期格式,len是按长度转换
     * 入参如20010101返回2001-01-01
     * @param date
     * @param len
     * @return
     */
    public static String getStringToDate(String date,int len){
    	String strTodate="";
    	if(date!=""){
    		if(len==8){
	    		try {
					strTodate=ddfDate.format(sdfDate.parse(date));
				} catch (ParseException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
    		}else if(len==14){
    	    		try {
    					strTodate=ddfTime.format(sdfTime.parse(date));
    				} catch (ParseException e) {
    					// TODO Auto-generated catch block
    					e.printStackTrace();
    				}
        	}else if(len==17){
	    		try {
					strTodate=ddfLongTime.format(sdfLongTime.parse(date));
				} catch (ParseException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
    	}
    	}
    	return strTodate;
    }
    /**
     * 与当前天差几天的某天
     * @param days 相差的天数
     * @return 返回的时间格式为20120827
     */
    public static String getDate(int days){
    	calendar.add(Calendar.DAY_OF_MONTH, days);
    	Date date = calendar.getTime();
    	String day = sdfDate.format(date);
    	return day;
    }
    /**
     * 指定某天的开始和结束时间
     * @param date 格式20120827
     * @return
     */
    public static String[] getDateStartAndEnd(String date){
    	if(date == null || date.length()<1){
    		return null;
    	}
    	String[] dates = new String[2];
    	dates[0] = date+"0000000";
    	dates[1] = date+"2359599";
    	return dates;
    }
    /**
     * 相差几天的某天的起始时间
     * @return
     */
    public static String[] getStartAndEnd(int days){
    	calendar.add(Calendar.DAY_OF_MONTH, days);
    	Date date = calendar.getTime();
    	String day = sdfDate.format(date);
    	String[] dates = new String[2];
    	dates[0] = day+"000000";
    	dates[1] = day+"235959";
    	return dates;
    }
    /**
     * 今天是礼拜几
     * 0-星期日
     * 6-星期六
     * @return
     */
    public static int getweekday(){
    	int weekday = calendar.get(Calendar.DAY_OF_WEEK);
    	weekday -=1;
    	return weekday;
    }
    /**
     * 当前时间是几点(24HH)
     */
    public static int gethour(){
    	return calendar.get(Calendar.HOUR_OF_DAY);
    }
    /**
     * 当前是几月
     * @return
     */
    public static int getmonth(){
    	return calendar.get(Calendar.MONTH)+1;
    }
    /**
     * 当前年份
     * @return
     */
    public static int getyear(){
    	return calendar.get(Calendar.YEAR);
    }
    /**
    * 得到某年某月的第一天
    * @param year
    * @param month
    * @return yyyy-MM-dd HH:mm:ss
    */
	public static String getFirstDayOfMonth(int year, int month) {
		calendar.set(Calendar.YEAR, year);
		calendar.set(Calendar.MONTH, month - 1);
		calendar.set(Calendar.DAY_OF_MONTH, calendar.getMinimum(Calendar.DATE));
		return ddfTime.format(calendar.getTime());
	}

	 /**
	  * 得到某年某月的最后一天
	  * 
	  * @param year
	  * @param month
	  * @return
	  */ 
	public static String getLastDayOfMonth(int year, int month) {
		calendar.set(Calendar.YEAR, year);
		calendar.set(Calendar.MONTH, month - 1);
		calendar.set(Calendar.DAY_OF_MONTH, 1);
		int value = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
		calendar.set(Calendar.DAY_OF_MONTH, value);
		return ddfTime.format(calendar.getTime());

	}

    /**
     * 获取指定年、月的开始日期和结束日期
     * @param month
     * @return String[0]=2013-12-01 00:00:00<br>String[1] 2013-12-31 23:59:59
     */
    public static String[] getMonthStartEndDay(int year,int month){
    	String[] days = new String[2];
    	days[0] = getFirstDayOfMonth(year, month);
    	days[1] = getLastDayOfMonth(year, month);
    	return days;
    }
    /**
     * 解析毫秒
     * @param msec
     * @return x天x时x分x秒
     */
    public static String analyzeMsec(Long msec){
    	if(msec == null || msec <= 0){
    		return "0";
    	}
    	String strSen = null;
    	String strMin = null;
    	String strHor = null;
    	String strDay = null;
    	Long sens = msec/1000;
    	if(sens > 60){//秒
    		Long senmod = sens%60;
    		if(senmod > 0){
    			strSen = senmod+"秒";
    		}else{
    			strSen = "0秒";
    		}
    		Long mins = sens/60;
    		if(mins > 60){//分
    			Long minmod = mins%60;
    			if(minmod > 0){
    				strMin = minmod+"分";
    			}else{
    				strMin = "0分";
    			}
    			Long hors = mins/60;
    			if(hors > 24){//小时
    				Long hormod = hors%24;
    				if(hormod > 0){
    					strHor = hormod + "时";
    				}else{
    					strHor = "0时";
    				}
    				strDay = (hors/24)+"天";
    			}else{
    				strHor = hors+"时";
    			}
    		}else{
        		strMin = mins+"分";
    		}
    		
    	}else{
    		strSen=sens+"秒";
    	}
    	StringBuffer sb = new StringBuffer();
    	if(strDay != null){
    		sb.append(strDay);
    	}
    	if(strHor != null){
    		sb.append(strHor);
    	}
    	if(strMin != null){
    		sb.append(strMin);
    	}
    	if(strSen != null){
    		sb.append(strSen);
    	}
    	return sb.toString();
    }
    public static void main(String[] args){
    	Long a = 15265845L;

//    	float b = a/1000f;
//    	b = Math.round(b);
//    	Long min = b%60;
    	String d = DateTimeUtil.analyzeMsec(a);
    	System.out.println(d+"==");
//    	System.out.println(new DateTimeUtil().getyear());
//    	String ftppath = "/material/staticpage/b17d38a1-e8ea-4dbf-8265-d4eb44836c80.rar";
//		String xmlpath = ftppath.substring(0, ftppath.lastIndexOf("."));
//		System.out.println(xmlpath);
//    	String[] a = getStartAndEnd(-1);
//    	System.out.println(a[0]+"==="+a[1]);
//    	String pw = "";
//    	for (int i = 0; i < 1; i++)
//    	{
//    	        char c = (char) (int) (97);
//    	        pw += c;
//    	}
//    	System.out.println(pw.toUpperCase());
//    	String a="20120628010101001";
//    	try {
//			String b=ddfLongTime.format(sdfLongTime.parse(a));
//			System.out.println(b);
//		} catch (ParseException e) {
//			// TODO Auto-generated catch block
//			e.printStackTrace();
//		}
//    	String a = "A11";
//    	String _a=a.substring(a.length()-3,1);
//    	String b=String.valueOf(Integer.parseInt(a.substring(a.length()-2))+1);
//    	if(b.length()<2){
//    		b="0"+b;
//    	}
//    	char _b=_a.charAt(0);
//    	System.out.println(_a);
//    	System.out.println((char)(((int)a.substring(a.length()-3).substring(0,1).charAt(0))+1));
//    	if(){
//    		
//    	}
    }
}