补充两个有用的关于时间的函数
类别: JAVA教程 
/*
Time Functions.
cnmuse@chinaren.com
*/
import java.lang.*;
import java.util.*;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
public class formatDateTime{
static String TimeFormat1="yyyy.MM.dd HH:mm:ss";
public formatDateTime(){
}
/*
Function name: lTimeCompare
Description: Compare two times
Input: String CompTime1,String CompTime2 (Format: yyyy.MM.dd HH:mm:ss)
Output: time diffrent by seconds
*/
public long lTimeCompare(String CompTime1,String CompTime2){
long iReturn=-1;
SimpleDateFormat sdf = new SimpleDateFormat(TimeFormat1);
Date DateTime1=sdf.parse(CompTime1,new ParsePosition(0));
Date DateTime2=sdf.parse(CompTime2,new ParsePosition(0));
iReturn=DateTime2.getTime()/1000L-DateTime1.getTime()/1000L;
return iReturn;
}
/*
Function name: lTimeCompareNow
Description: Compare one time with now
Input: String CompTime1(Format: yyyy.MM.dd HH:mm:ss)
Output: time diffrent by seconds
*/
public long lTimeCompareNow(String CompTime1){
long iReturn=-1;
SimpleDateFormat sdf = new SimpleDateFormat(TimeFormat1);
Date DateTime1=sdf.parse(CompTime1,new ParsePosition(0));
iReturn=java.lang.System.currentTimeMillis()/1000L-DateTime1.getTime()/1000L;
return iReturn;
}
}
Time Functions.
cnmuse@chinaren.com
*/
import java.lang.*;
import java.util.*;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
public class formatDateTime{
static String TimeFormat1="yyyy.MM.dd HH:mm:ss";
public formatDateTime(){
}
/*
Function name: lTimeCompare
Description: Compare two times
Input: String CompTime1,String CompTime2 (Format: yyyy.MM.dd HH:mm:ss)
Output: time diffrent by seconds
*/
public long lTimeCompare(String CompTime1,String CompTime2){
long iReturn=-1;
SimpleDateFormat sdf = new SimpleDateFormat(TimeFormat1);
Date DateTime1=sdf.parse(CompTime1,new ParsePosition(0));
Date DateTime2=sdf.parse(CompTime2,new ParsePosition(0));
iReturn=DateTime2.getTime()/1000L-DateTime1.getTime()/1000L;
return iReturn;
}
/*
Function name: lTimeCompareNow
Description: Compare one time with now
Input: String CompTime1(Format: yyyy.MM.dd HH:mm:ss)
Output: time diffrent by seconds
*/
public long lTimeCompareNow(String CompTime1){
long iReturn=-1;
SimpleDateFormat sdf = new SimpleDateFormat(TimeFormat1);
Date DateTime1=sdf.parse(CompTime1,new ParsePosition(0));
iReturn=java.lang.System.currentTimeMillis()/1000L-DateTime1.getTime()/1000L;
return iReturn;
}
}
