package zhouls.bigdata.DataFeatureSelection.test;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public classDateDistance {private staticString distanceTime;public static voidmain(String[] args) throws Exception {
String startday= "2017-09-20";
String endday="2017-09-28";long DistanceDays = getDistanceDays(startday,endday);//两个时间之间相差距离多少天
System.out.println(DistanceDays);
String starttimes= "2017-01-17 00:10:20";
String endtimes="2017-01-18 00:10:21";long[] DistanceTimes = getDistanceTimes(starttimes,endtimes);//两个时间相差距离多少天多少小时多少分多少秒 ，以long[]形式返回
for (int i = 0; i < DistanceTimes.length; i++) {
System.out.println(DistanceTimes[i]);
}
String DistanceTime= getDistanceTime(starttimes,endtimes);//两个时间相差距离多少天多少小时多少分多少秒 ，以String形式返回
System.out.println(DistanceTime);
}
public static longgetDistanceDays(String starttime, String endtime) throws Exception{
DateFormat df= new SimpleDateFormat("yyyy-MM-dd");
Date one;
Date two;long days=0;try{
one=df.parse(starttime);
two=df.parse(endtime);long time1 =one.getTime();long time2 =two.getTime();longdiff ;if(time1
diff= time2 -time1;
}else{
diff= time1 -time2;
}
days= diff / (1000 * 60 * 60 * 24);
}catch(ParseException e) {
e.printStackTrace();
}return days;//返回相差多少天
}
public static long[] getDistanceTimes(String starttime, String endtime) {
DateFormat df= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date one;
Date two;long day = 0;long hour = 0;long min = 0;long sec = 0;try{
one=df.parse(starttime);
two=df.parse(endtime);long time1 =one.getTime();long time2 =two.getTime();longdiff ;if(time1
diff= time2 -time1;
}else{
diff= time1 -time2;
}
day= diff / (24 * 60 * 60 * 1000);
hour= (diff / (60 * 60 * 1000) - day * 24);
min= ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec= (diff/1000-day*24*60*60-hour*60*60-min*60);
}catch(ParseException e) {
e.printStackTrace();
}long[] times ={day, hour, min, sec};returntimes;
}
public staticString getDistanceTime(String starttime, String endtime) {
DateFormat df= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date one;
Date two;long day = 0;long hour = 0;long min = 0;long sec = 0;try{
one=df.parse(starttime);
two=df.parse(endtime);long time1 =one.getTime();long time2 =two.getTime();longdiff ;if(time1
diff= time2 -time1;
}else{
diff= time1 -time2;
}
day= diff / (24 * 60 * 60 * 1000);
hour= (diff / (60 * 60 * 1000) - day * 24);
min= ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec= (diff/1000-day*24*60*60-hour*60*60-min*60);
}catch(ParseException e) {
e.printStackTrace();
}return day + "天" + hour + "小时" + min + "分" + sec + "秒";
}
}