Java基于SSM网上试衣间设计-Eclipse源码.zip

/** * DateTool.java 2017年7月20日 * * Copyright 2001-2017 织巢信息 All rights reserved. * 织巢信息 PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package com.jxxt.common.utils; import java.math.BigDecimal; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.TimeZone; import org.apache.commons.lang3.StringUtils; /** * <summary> * <description> * * @author hqsun * @since 2017年7月20日 * @see [Class/Method] * */ public class DateUtil { public static final TimeZone UTC_TZ = TimeZone.getTimeZone("UTC"); public static final int YEAR = 0; public static final int MONTH = 1; public static final int WEEK = 2; public static final int DAY = 3; public static final int HOUR = 4; public static final int MINUTE = 5; public static final int SECOND = 6; public static final int MILLISECOND = 7; public static final int MINUTEOFDAY = 8; /** 一天的毫秒数 */ public static final long DAY_LONG = 1 * 24 * 60 * 60 * 1000; /** 一小时的毫秒数 */ public static final long HOUR_LONG = 1 * 1 * 60 * 60 * 1000; /** UTC_8 东八时区8小时的毫秒数 */ public static final long UTC_8_HOUR_LONG = 1 * 8 * 60 * 60 * 1000; /** 半小时的毫秒数 */ public static final long HALF_HOUR_LONG = 1 * 1 * 30 * 60 * 1000; /** 一分钟的毫秒数 */ public static final long MINUTE_LONG = 1 * 1 * 1 * 60 * 1000; // add by wangzheng at 20140710 begin public static final String DATE_PATTERN_S = "yyyyMMdd"; /** * "yyyy-MM-dd" */ public static final String DATE_PATTERN_S_SHOW = "yyyy-MM-dd"; /** * "yyyy/MM/dd" */ public static final String DATE_PATTERN_SHOW_FOR_WEB = "yyyy/MM/dd"; /** * "yyyy-MM" */ public static final String DATE_PATTERN_Y_SHOW = "yyyy-MM"; /** * "HH:mm" */ public static final String RESEND_DATE_PATTERN_SHOW = "HH:mm"; /** * "yyyyMM" */ public static final String DATE_YEAR_MONTH = "yyyyMM"; /** * "yyyyMMddHHmmss" */ public static final String DATE_PATTERN = "yyyyMMddHHmmss"; public static final String SHARE_FILE_MENU_ID = "0006"; public static final String DATE_PATTERN2 = "yyyyMMddHHmm"; public static final String DATE_LOG_PATTERN = "yyyyMMddHHmmssSSS"; public static final String LOG_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss.S"; public static final String SHOW_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss"; public static final String SHOW_DATE_PATTERN_FOR_WEB = "yyyy/MM/dd HH:mm:ss"; public static final String SHOW_DATE_MINUTE = "yyyy-MM-dd HH:mm"; public static final String SHOW_TIME_NO_ZERO_FORMAT = "H:mm:ss"; public static final String SHOW_TIME_FORMAT = "HH:mm:ss"; public static final String SHOW_TIME_NO_SEC_ZERO_FORMAT = "H:mm"; public static final String SHOW_TIME_NO_SEC_FORMAT = "HH:mm"; public static final String RESEND_DATE_PATTERN = "HHmm"; public static final String DB_TIME_FORMAT = "HHmmss"; // add by wangzheng at 20140710 end /** * 按要求转化时间的显示格式 参数：oldpattern，旧日期格式，如:yyyyMMddhhmmss 格式描述符的含义参见JDK * simpleDateFormat类 newpattern，新日期格式 */ public static String timeTransform(String time, String oldpattern, String newpattern) { // 打印调试信息 String oldtime; if (oldpattern == null) { throw new IllegalArgumentException("the old pattern is null"); } if (newpattern == null) { throw new IllegalArgumentException("the new pattern is null"); } SimpleDateFormat olddatepattern = new SimpleDateFormat(oldpattern); Date now; try { now = olddatepattern.parse(time); // 用原来的pattern解析日期，再和原来的比较，由此来检查时间是否合法 oldtime = olddatepattern.format(now); if (!oldtime.equals(time)) { throw new IllegalArgumentException("using Illegal time"); } } catch (ParseException e) { throw new IllegalArgumentException("using [" + oldpattern + "] parse [" + time + "] failed"); } SimpleDateFormat newdatepattern = new SimpleDateFormat(newpattern); return newdatepattern.format(now); } /** * 获取指定格式的当前日期 参数：pattern，日期格式，如:yyyyMMddhhmmss 格式描述符的含义参见JDK * simpleDateFormat类 */ public static String getCurrentDate(String pattern) { if (pattern == null) { throw new IllegalArgumentException("input string parameter is null"); } SimpleDateFormat sdf = new SimpleDateFormat(pattern); Date now = new Date(); return sdf.format(now); } /** * 获取当前日期是星期几<br> * * @param dt * @return 当前日期是星期几 */ public static String getWeekOfDate(String time) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Date now; try { now = sdf.parse(time); } catch (ParseException e) { throw new IllegalArgumentException("using [yyyy-MM-dd] parse [" + time + "] failed"); } String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", }; Calendar cal = Calendar.getInstance(); cal.setTime(now); int w = cal.get(Calendar.DAY_OF_WEEK) - 1; if (w < 0) { w = 0; } return weekDays[w]; } /** * 将日期长整型转换成字符串 参数：time，long，从格林威治时间：1970年1月1日0点起的毫秒数 pattern, String, * 转换的目标格式 */ public static String long2TimeStr(long time, String pattern) { if (pattern == null) { throw new IllegalArgumentException("pattern parameter can not be null"); } Date dt = new Date(time); SimpleDateFormat sdf = new SimpleDateFormat(pattern); return sdf.format(dt); } /** * 将日期型转换成字符串 参数：time，Date pattern, String, 转换的目标格式 */ public static String date2TimeStr(Date time, String pattern) { if (pattern == null) { throw new IllegalArgumentException("pattern parameter can not be null"); } if (time == null) { throw new IllegalArgumentException("time parameter can not be null"); } SimpleDateFormat sdf = new SimpleDateFormat(pattern); return sdf.format(time); } /** * 将日期增加一个增量，目前只能是，年，月，周，日，时、分、秒、毫秒 参数：date, long，原始时间 delta，int，增量的大小 unit, * int, 增量的单位，YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, MILLISECOND * 返回：long，从格林威治时间：1970年1月1日0点起的毫秒数 */ public static long addDate(long date, int delta, int unit) { if ((unit < YEAR) || (unit > MILLISECOND)) { throw new IllegalArgumentException( "time unit must in [YEAR, MONTH, WEEK, DAY, HOUR, MINUTE, SECOND, MILLISECOND], others not support"); } Date dt = new Date(date); Calendar calendar = getLocalCalendar(dt); // 增加增量 switch (unit) { case YEAR: calendar.add(Calendar.YEAR, delta);