excel2003 java_java 读取 excel 2003 或 excel 2007
#?re: java 讀取 excel 2003 或 excel 2007
2012-10-15 22:44
惠萬鵬
public class DateUtil
{
/**
*
*
Description:[得到當前的時間]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @return
*/
public static Date getDate()
{
Calendar canlendar = Calendar.getInstance();
return canlendar.getTime();
}
/**
*
*
Description:[提到指定的millis得到時間]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param millis
* @return
*/
public static Date getDate(long millis)
{
Calendar canlendar = Calendar.getInstance();
canlendar.clear();
canlendar.setTimeInMillis(millis);
return canlendar.getTime();
}
public static long getMillis()
{
return Calendar.getInstance().getTimeInMillis();
}
/**
*
*
Description:[得到指定日期的字符串(yyyy-MM-dd HH:mm:ss.SSS)]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @param formate
* @return
*/
public static String getDateFormate(Date date, String formate)
{
try
{
SimpleDateFormat simpleDateFormate = new SimpleDateFormat(formate);
return simpleDateFormate.format(date);
}
catch (Exception e)
{}
return "";
}
/**
*
*
Description:[根據日期得到YYYY-MM-DD HH:MM:SS.SSS格式字符串]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @return
*/
public static String get4yMdHmsS(Date date)
{
return DateUtil.getDateFormate(date, "yyyy-MM-dd HH:mm:ss.SSS");
}
/**
*
*
Description:[根據日期得到YYYY-MM-DD HH:MM:SS格式字符串]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @return
*/
public static String get4yMdHms(Date date)
{
return DateUtil.getDateFormate(date, "yyyy-MM-dd HH:mm:ss");
}
/**
*
*
Description:[根據日期得到YYYY-MM-DD HH:MM格式字符串]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @return
*/
public static String get4yMdHm(Date date)
{
return DateUtil.getDateFormate(date, "yyyy-MM-dd HH:mm");
}
/**
*
*
Description:[根據日期得到YYYY-MM-DD格式字符串]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @return
*/
public static String get4yMd(Date date)
{
return DateUtil.getDateFormate(date, "yyyy-MM-dd");
}
/**
*
*
Description:[把指定字符(yyyy-MM-dd HH:mm:ss.SSS)串轉成Date]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param sDate
* @return
*/
public static Date parse4yMdHmsS(String sDate)
{
return DateUtil.parseDate(sDate, "yyyy-MM-dd HH:mm:ss.SSS");
}
/**
*
*
Description:[把指定字符(yyyy-MM-dd HH:mm:ss)串轉成Date]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param sDate
* @return
*/
public static Date parse4yMdHms(String sDate)
{
return DateUtil.parseDate(sDate, "yyyy-MM-dd HH:mm:ss");
}
/**
*
*
Description:[把指定字符(yyyy-MM-dd HH:mm)串轉成Date]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param sDate
* @return
*/
public static Date parse4yMdHm(String sDate)
{
return DateUtil.parseDate(sDate, "yyyy-MM-dd HH:mm");
}
/**
*
*
Description:[把指定字符(yyyy-MM-dd)串轉成Date]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param sDate
* @return
*/
public static Date parse4yMd(String sDate)
{
return DateUtil.parseDate(sDate, "yyyy-MM-dd");
}
/**
*
*
Description:[根據指定格式,把字符串轉成日期]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param sDate
* @param formate
* @return
*/
public static Date parseDate(String sDate, String formate)
{
SimpleDateFormat simpleDateFormate = new SimpleDateFormat(formate);
try
{
return simpleDateFormate.parse(sDate);
}
catch (ParseException e)
{
return null;
}
}
/**
*
*
Description:[兩個長整型的時間相差(時間的毫秒數),可以得到指定的毫秒數,秒數,分鐘數,天數]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param minuendTime[被減去的時間]
* @param subtrahendTime[減去的時間]
* @param tdatestr[part可選值["D","H","M","S","MS"]
* @return[minuendTime-subtrahendTime]
* @return
*/
public static double getDifTwoTime(Date minuendTime, Date subtrahendTime,
String tdatestr)
{
if (minuendTime == null || subtrahendTime != null)
{
return DateUtil.getDifTwoTime(minuendTime.getTime(), subtrahendTime
.getTime(), tdatestr);
}
return 0;
}
/**
*
*
Description:[兩個長整型的時間相差(時間的毫秒數),可以得到指定的毫秒數,秒數,分鐘數,天數]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param minuendTime[被減去的時間]
* @param subtrahendTime[減去的時間]
* @param tdatestr[part可選值["D","H","M","S","MS"]
* @return[minuendTime-subtrahendTime]
*/
public static double getDifTwoTime(long minuendTime, long subtrahendTime,
String tdatestr)
{
if (tdatestr == null || tdatestr.equals(""))
{
tdatestr = "MS";
}
double temp = 1;
/** 毫秒數 */
if ("MS".equalsIgnoreCase(tdatestr))
{
temp = 1;
}
/** 得到秒 */
if ("S".equalsIgnoreCase(tdatestr))
{
temp = 1000;
}
/** 得到分 */
if ("M".equalsIgnoreCase(tdatestr))
{
temp = 1000 * 60;
}
/** 得到小時 */
if ("H".equalsIgnoreCase(tdatestr))
{
temp = 1000 * 60 * 60;
}
/** 得到天 */
if ("D".equalsIgnoreCase(tdatestr))
{
temp = 1000 * 60 * 60 * 24;
}
return (minuendTime - subtrahendTime) / temp;
}
/**
*
*
Description:[從日期中得到指定部分(YYYY/MM/DD/HH/SS/SSS)數字]*
Created by [Huyvanpull] [Oct 26, 2009]*
Midified by [modifier] [modified time]*
*
* @param date
* @param part[part可選值["Y","M","D","H","M","S","MS"]
* @return
*/
public static int getPartOfTime(Date date, String part)
{
Calendar canlendar = Calendar.getInstance();
canlendar.clear();
canlendar.setTime(date);
/** 得到年 */
if (part.equalsIgnoreCase("Y"))
{
return canlendar.get(Calendar.YEAR);
}
/** 得到月 */
if (part.equalsIgnoreCase("M"))
{
return canlendar.get(Calendar.MONTH) + 1;
}
/** 得到日 */
if (part.equalsIgnoreCase("D"))
{
return canlendar.get(Calendar.DAY_OF_MONTH);
}
/** 得到時 */
if (part.equalsIgnoreCase("H"))
{
return canlendar.get(Calendar.HOUR_OF_DAY);
}
/** 得到分 */
if (part.equalsIgnoreCase("M"))
{
return canlendar.get(Calendar.MINUTE);
}
/** 得到秒 */
if (part.equalsIgnoreCase("S"))
{
return canlendar.get(Calendar.SECOND);
}
/** 得到毫秒 */
if (part.equalsIgnoreCase("MS"))
{
return canlendar.get(Calendar.MILLISECOND);
}
return -1;
}
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