import java.util.Calendar;
import java.util.GregorianCalendar;
public class AA {
public static void main(String[] args)
{
if(args!=null && args.length>0)
{
String dateArray[] = args[0].split(",");
Calendar calendar = new GregorianCalendar();
Calendar calendar1 = new GregorianCalendar();
calendar.set(Integer.parseInt(dateArray[0]),
Integer.parseInt(dateArray[1]),
Integer.parseInt(dateArray[2]));
long time1=calendar.getTimeInMillis();
calendar1.set(Integer.parseInt(dateArray[3]),
Integer.parseInt(dateArray[4]),
Integer.parseInt(dateArray[5]));
long time2=calendar1.getTimeInMillis();
long 相隔天数=(time2-time1)/(1000*60*60*24);
System.out.println(相隔天数);
}
}
}
程序功能:
键盘输入两个时间,如:1987,4,5 1998,8,7 求出相隔的天数
参数: 开始日期
终了日期
返回: 间隔天数 /**
* 两个日期之间相隔天数的共通
* @param from 開始時間
* @param to 終了時間
* @return 天数
*/
public static String getDaysBetweenTwoDates(String dateFrom, String dateEnd) {
Date dtFrom = null;
Date dtEnd = null;
dtFrom = toDate(dateFrom, "yyyyMMdd");
dtEnd = toDate(dateEnd, "yyyyMMdd");
long begin = dtFrom.getTime();
long end = dtEnd.getTime();
long inter = end - begin;
if (inter < 0) {
inter = inter * (-1);
}
long dateMillSec = 24 * 60 * 60 * 1000;
long dateCnt = inter / dateMillSec;
long remainder = inter % dateMillSec;
if (remainder != 0) {
dateCnt++;
}
return String.valueOf(dateCnt);
}
/**
* 字符窜(yyyyMMdd)转换成为java.util.Date
*
* @param sDate 字符窜(yyyyMMdd)
* @param sFmt format
* @return Date java.util.Date日期
*/
public static Date toDate(String sDate, String sFmt) {
Date dt = null;
try {
dt = new SimpleDateFormat(sFmt).parse(sDate);
} catch (ParseException e) {
return dt;
}
return dt;
}
import java.util.Calendar;
import java.util.GregorianCalendar;
public class Test {
public static void main(String[] args) {
if(args!=null && args.length==2) {
String dateArray1[] = args[0].split(",");
String dateArray2[] = args[1].split(",");
Calendar calendar2 = new GregorianCalendar();
Calendar calendar1 = new GregorianCalendar();
calendar1.set(Integer.parseInt(dateArray1[0]), Integer.parseInt(dateArray1[1]), Integer.parseInt(dateArray1[2]));
long time1=calendar1.getTimeInMillis();
calendar2.set(Integer.parseInt(dateArray2[0]), Integer.parseInt(dateArray2[1]), Integer.parseInt(dateArray2[2]));
long time2=calendar2.getTimeInMillis();
long day=(time2-time1)/(1000*60*60*24);
System.out.println("相隔天数:" + day);
}
}
}
F:\javatest>java Test 1987,4,5 1987,6,5
相隔天数:61
结帖结分!!!