JAVA 时间差距,两个时间相差多少天,时,分,秒

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package
ben.util;import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;/*** 时间相距* @author Ben* @version 1.0* @date 2009-10-21 16:38:51*/public class DateDistance { /** * 两个时间之间相差距离多少天 * @param one 时间参数 1: * @param two 时间参数 2: * @return 相差天数 */ public static long getDistanceDays(String str1, String str2) throws Exception{ DateFormat df = new SimpleDateFormat("yyyy-MM-dd"); Date one; Date two; long days=0; try { one = df.parse(str1); two = df.parse(str2); long time1 = one.getTime(); long time2 = two.getTime(); long diff ; if(time1<time2) { diff = time2 - time1; } else { diff = time1 - time2; } days = diff / (1000 * 60 * 60 * 24); } catch (ParseException e) { e.printStackTrace(); } return days; } /** * 两个时间相差距离多少天多少小时多少分多少秒 * @param str1 时间参数 1 格式:1990-01-01 12:00:00 * @param str2 时间参数 2 格式:2009-01-01 12:00:00 * @return long[] 返回值为:{天, 时, 分, 秒} */ public static long[] getDistanceTimes(String str1, String str2) { 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(str1); two = df.parse(str2); long time1 = one.getTime(); long time2 = two.getTime(); long diff ; if(time1<time2) { 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}; return times; } /** * 两个时间相差距离多少天多少小时多少分多少秒 * @param str1 时间参数 1 格式:1990-01-01 12:00:00 * @param str2 时间参数 2 格式:2009-01-01 12:00:00 * @return String 返回值为:xx天xx小时xx分xx秒 */ public static String getDistanceTime(String str1, String str2) { 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(str1); two = df.parse(str2); long time1 = one.getTime(); long time2 = two.getTime(); long diff ; if(time1<time2) { 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"; }

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