package com.zjjerp.tool; import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar; /**
* @Author:Demom
* @Date:2013-8-2,上午9:22:05
*/
public class GetDateTimeTools { /***
* 得到yyyy-MM-dd时间格式
* @param date
* @return
*/
public static String getYYYYMMDD(Date date){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(date);
}
/***
* 得到yyyy-MM-dd hh:mm:ss时间格式
* @param date
* @return
*/
public static String getYYYYMMDDHHMMSS(Date date){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
return sdf.format(date);
}
//获取当月的的10号
public static String getnowMonthtenday(){
Calendar cal = Calendar.getInstance();
int month = cal.get(Calendar.MONTH) + 1;
int year = cal.get(Calendar.YEAR);
StringBuffer sb =new StringBuffer();
sb.append(year);
sb.append("-");
if(month<10){
sb.append("0");
sb.append(month);
}else{
sb.append(month);
}
sb.append("-10");
return sb.toString();
}
//获取当前月的下一个月的10号
public static String getnextMonthtenday(){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
String strDate = sdf.format(new Date());
int index = strDate.indexOf(" ");
String str1 = strDate.substring(0, index);
String[] str2 = str1.split("-");
String nextDay="";
if(str2[1]!="12"){
int Month = Integer.parseInt(str2[1])+1;
nextDay=str2[0]+"-"+Month+"-"+"10";
}
if(str2[1]=="12" || "12".equals(str2[1])){
int Month = 1;
int Year = Integer.parseInt(str2[0])+1;
nextDay = Year+"-"+Month+"-"+"10";
}
return nextDay;
}
//获取当前年
public static int getCurrentYear(){
Calendar cal = Calendar.getInstance();
int month = cal.get(Calendar.MONTH) + 1;
int year = cal.get(Calendar.YEAR);
return year;
}
//获取当前yue
public static int getCurrentMonth(){
Calendar cal = Calendar.getInstance();
int month = cal.get(Calendar.MONTH) + 1;
return month;
}
/**
* 以上个月为时间轴，获取上个月的时间
* @param status(0 代表获取月的1号，1代表获取月末）
* @return
*/
public static String getLastMonthDay(int status) {
Calendar cal = Calendar.getInstance();
Date date = new Date();
cal.setTime(date);
int year = 0;
int month = cal.get(Calendar.MONTH); // 上个月月份
String newMonth="";
//设置年月
if (month == 0) {
year = cal.get(Calendar.YEAR) - 1;
month = 12;
newMonth=""+month;
} else {
if(month<10){
newMonth="0"+String.valueOf(month);
}else{
newMonth=String.valueOf(month);
}
year = cal.get(Calendar.YEAR);
}
//设置天数
String temp=year + "-" + newMonth.toString();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
Date d = null;
try {
d = format.parse(temp);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
cal.setTime(d); int day =cal.getActualMaximum(Calendar.DAY_OF_MONTH);
if(status==1){
String endDay = year + "-" + newMonth + "-" + day;
return endDay;
}else{
String endDay = year + "-" + newMonth + "-" + "01";
return endDay;
}
}
/**
* 以上个月为时间轴，获取下个月的时间
* @param status(0 代表获取月的1号，1代表获取月末）
* @return
*/
public static String getNextMonthDay(int status) {
Calendar cal = Calendar.getInstance();
int day=cal.get(Calendar.DATE);
SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd");
String timestr= sdf.format(new Date());
timestr=timestr.substring(0,8);
if(status==1){
timestr+=String.valueOf(day);
}else{
timestr+="01";
}
return timestr;
}
/***
* 以上个月为时间轴，获取当月的时间
* @param status(0 代表获取月的1号，1代表获取月末）
* @return
*/
public static String getCurrMonthDay(int status) {
Calendar cal = Calendar.getInstance();
Date date = new Date();
cal.setTime(date);
int year = 0;
int month = cal.get(Calendar.MONTH); // 上个月月份
String newMonth="";
//设置年月
if (month == 0) {
year = cal.get(Calendar.YEAR) - 1;
month = 12;
newMonth=""+month;
} else {
if(month<10){
newMonth="0"+String.valueOf(month);
}else{
newMonth=String.valueOf(month);
}
year = cal.get(Calendar.YEAR);
}
//设置天数
String temp=year + "-" + newMonth.toString();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
Date d = null;
try {
d = format.parse(temp);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
cal.setTime(d);
int day =cal.getActualMaximum(Calendar.DAY_OF_MONTH);
if(status==1){
String endDay = year + "-" + newMonth + "-" + day;
return endDay;
}else{
String endDay = year + "-" + newMonth + "-" + "01";
return endDay;
} }
//获取当月5号日前哦
public static String getevery5day(){ Calendar cal = Calendar.getInstance();
int month = cal.get(Calendar.MONTH) + 1;
int year = cal.get(Calendar.YEAR);
StringBuffer sb =new StringBuffer();
sb.append(year);
sb.append("-");
if(month<=10){
sb.append("0");
sb.append(month);
}else{
sb.append(month);
}
sb.append("-05");
return sb.toString();
} //合同续约
public static String datexuyue(int year){ SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd");
String now = sdf.format(new Date());
String[] nowStr = now.split("-");
int year1 = Integer.parseInt(nowStr[0])+year;
StringBuffer sb = new StringBuffer();
sb.append(year1+"-"+nowStr[1]+"-"+nowStr[2]);
return sb.toString();
}
//得到N天后的日期
public static String getBeforeAfterDate(String datestr, int day) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
java.sql.Date olddate = null;
try {
df.setLenient(false);
olddate = new java.sql.Date(df.parse(datestr).getTime());
} catch (ParseException e) {
throw new RuntimeException("日期转换错误");
}
Calendar cal = new GregorianCalendar();
cal.setTime(olddate); int Year = cal.get(Calendar.YEAR);
int Month = cal.get(Calendar.MONTH);
int Day = cal.get(Calendar.DAY_OF_MONTH); int NewDay = Day + day; cal.set(Calendar.YEAR, Year);
cal.set(Calendar.MONTH, Month);
cal.set(Calendar.DAY_OF_MONTH, NewDay); return new java.sql.Date(cal.getTimeInMillis()).toString();
} //根据两个日期A、B计算AB之间的天数
public static long getQuot(String time1, String time2){
long quot = 0;
SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd");
try { Date date1 = ft.parse( time1 );
Date date2 = ft.parse( time2 );
quot = date1.getTime() - date2.getTime();
quot = quot / 1000 / 60 / 60 / 24;
} catch (ParseException e) {
e.printStackTrace();
}
return quot;
}
//得到N月后的日期
public static String GetSysDate(String format, String StrDate, int year, int month,
int day) {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sFmt = new SimpleDateFormat(format);
cal.setTime(sFmt.parse( (StrDate), new ParsePosition(0))); if (day != 0) {
cal.add(cal.DATE, day);
}
if (month != 0) {
cal.add(cal.MONTH, month);
}
if (year != 0) {
cal.add(cal.YEAR, year); }
return sFmt.format(cal.getTime());
} public static void main(String[] args) {
System.out.println(GetSysDate("yyyy-MM-dd", "2004-01-18", 0, 13, 0));
}
}