Java°æµÄdatediff
¡¡¡¡MSSQLÖÐÌṩÁ˸ödatediffº¯ÊýÓÃÀ´¶ÔÁ½¸öʱ¼ä½øÐмõ·¨²Ù×÷£¬µ«ÔÚJavaÖÐȴûÓУ¬Èç¹ûÎÒÃÇÏëÖªµÀÁ½¸öÈÕÆÚ¼äÏà¸ôÁ˶àÉÙÌ죬»òÊÇÏà¸ôÁ˶àÉÙ¸öСʱÔòÒªÊÖ¹¤¼ÆËã¡£ÏÂÃæ´úÂëÄ£·ÂMSSQLµÄdatediffº¯ÊýÌṩÁËʹÓò»Í¬Ê±¼ä¼ä¸ôÀ´¼ÆËãÁ½¸öʱ¼äÏà²îµÄʱ¼ä¼ä¸ôµÄÊýÄ¿£¬±ÈÈçtimeIntervalΪdayÔò·µ»ØÏà²îµÄÌìÊý£¬ÎªmonthÔò·µ»ØÏà²îµÄÔÂÊý¡£×ܹ²Ö§³Öyear,quarter,month,week,day,hour,minute,secondÕ⼸ÖÖʱ¼ä¼ä¸ô£¬date1ºÍdate2ΪҪ¼ÆËãµÄÁ½¸öʱ¼ä£¬½á¹ûΪdate1¼õÈ¥date2ºóµÄÖµ¡£
/**
* °´Ö¸¶¨ÈÕÆÚµ¥Î»¼ÆËãÁ½¸öÈÕÆÚ¼äµÄ¼ä¸ô
*
* @param timeInterval
* @param date1
* @param date2
* @return
*/
public static long dateDiff(String timeInterval, Date date1, Date date2) {
if (timeInterval.equals("year")) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date1);
int time = calendar.get(Calendar.YEAR);
calendar.setTime(date2);
return time - calendar.get(Calendar.YEAR);
}
if (timeInterval.equals("quarter")) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date1);
int time = calendar.get(Calendar.YEAR) * 4;
calendar.setTime(date2);
time -= calendar.get(Calendar.YEAR) * 4;
calendar.setTime(date1);
time += calendar.get(Calendar.MONTH) / 4;
calendar.setTime(date2);
return time - calendar.get(Calendar.MONTH) / 4;
}
if (timeInterval.equals("month")) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date1);
int time = calendar.get(Calendar.YEAR) * 12;
calendar.setTime(date2);
time -= calendar.get(Calendar.YEAR) * 12;
calendar.setTime(date1);
time += calendar.get(Calendar.MONT
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import java.io.*;
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{
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public void judgeDir(File virFile)
{
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import uk.ltd.getahead.dwr.WebContextFactory;
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