package com.matrix.codeGeneration.plugin;
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import java.sql.Timestamp;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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/**
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* 日期格式化，转换工具类
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*
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* @author 姜友瑶
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* @createTime 2014.08.30
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*/
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public class DateUtils {
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public static final String DATE_FORMAT_SS = "yyyy-MM-dd HH:mm:ss";
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public static final String DATE_FORMAT_MONGO = "yyyy-MM-dd'T'HH:mm:ss.SSS";
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public static final String DATE_FORMAT_STS = "yyyy-MM-dd'T'HH:mm:ss";
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public static final String DATE_FORMAT_MM = "yyyy-MM-dd HH:mm";
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public static final String DATE_FORMAT_HH = "yyyy-MM-dd HH";
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public static final String DATE_FORMAT_DD = "yyyy-MM-dd";
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public static final String DATE_FORMAT_SPLITE_DD = "yyyy.MM.dd";
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public static final String DATE_FORMAT_NO_SPLITE_DD = "yyyyMMdd";
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public static final String DATE_FORMAT_MM_NO_DD = "yyyyMM";
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public static final String DATE_FORMAT_NO_SPLITE_MM = "yyyyMMddHHmm";
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public static final String DATE_FORMAT_NO_SPLITE_MM_HH = "yyyyMMddHH";
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public static final String YEAR = "yyyy";
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public static final String DATE_FORMAT_MMDD = "M月d日";
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public static final String DATE_FORMAT_WEEK = "星期";
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public static final String DATE_TIME_MORNING = "早上";
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public static final String DATE_TIME_AFTERNOON = "下午";
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public static final String DATE_TIME_NIGHT = "晚上";
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public static final String CENTRE_SCRIBING = "-";
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protected static final String EMPTY = "";
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protected static final String ZERO = "0";
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protected static final String SPLITE_CHAR = ":";
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protected static final String START_TIME = " 00:00:00";// 空格不能删除
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protected static final String END_TIME = " 23:59:59";// 空格不能删除
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protected static final int WEEK_DAYS = 7;
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public static String yyyy_MM_dd_HH_mm_ss = "yyyy-MM-dd HH:mm:ss";
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protected static final String[] weeks = { "一", "二", "三", "四", "五", "六", "日" };
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/**
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* 返回年份
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*
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* @param date
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* 日期
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* @return 返回年份
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*/
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public static int getYear(java.util.Date date) {
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try {
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java.util.Calendar c = java.util.Calendar.getInstance();
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c.setTime(date);
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return c.get(java.util.Calendar.YEAR);
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} catch (Exception e) {
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}
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return 0;
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}
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/**
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* 返回月份
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*
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* @param date
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* 日期
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* @return 返回月份
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*/
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public static int getMonth(java.util.Date date) {
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try {
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java.util.Calendar c = java.util.Calendar.getInstance();
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c.setTime(date);
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return c.get(java.util.Calendar.MONTH) + 1;
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} catch (Exception e) {
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}
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return 0;
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}
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/**
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* 日期转字符串
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*
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* @param date
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* @param format
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* @return
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*/
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public static String dateToString(Date date, String format) {
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if (date == null) {
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return EMPTY;
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}
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DateFormat fmt = new SimpleDateFormat(format);
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return fmt.format(date);
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}
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/**
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* 字符串转日期
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*
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* @param dateStr
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* @param format
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* @return
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*/
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public static Date stringToDate(String dateStr, String format) {
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DateFormat fmt = new SimpleDateFormat(format);
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try {
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return fmt.parse(dateStr);
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} catch (ParseException e) {
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}
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return null;
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}
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/**
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* 判断给定的日期是一周中的第几天，注意：按照中国的习惯，周日是第七天
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*
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* @param date
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* @return
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*/
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public static int dateToWeek(Date date) {
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if (date == null) {
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return 0;
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}
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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if (cal.get(Calendar.DAY_OF_WEEK) == 1) {
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return 7;
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} else {
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return cal.get(Calendar.DAY_OF_WEEK) - 1;
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}
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}
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public static String dateOfWeek(Date date) {
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return DATE_FORMAT_WEEK + weeks[dateToWeek(date) - 1];
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}
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/**
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* 指定时间的下一天
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*
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* @param date
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* @return
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*/
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public static Date nextDate(Date date) {
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if (date == null) {
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return date;
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}
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Calendar cal = Calendar.getInstance();
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try {
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cal.setTime(date);
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cal.add(Calendar.DATE, 1);
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return cal.getTime();
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} catch (Exception e) {
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}
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return null;
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}
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/**
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* 指定时间的前一天
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*
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* @param date
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* @return
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*/
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public static Date previousDate(Date date) {
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if (date == null) {
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return date;
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}
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Calendar cal = Calendar.getInstance();
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try {
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cal.setTime(date);
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cal.add(Calendar.DATE, -1);
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return cal.getTime();
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} catch (Exception e) {
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}
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return null;
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}
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/**
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* 指定时间的下N天
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*
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* @param date
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* @return
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*/
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public static Date nextNDate(Date date, int nDay) {
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if (date == null) {
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return date;
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}
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Calendar cal = Calendar.getInstance();
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try {
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cal.setTime(date);
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cal.add(Calendar.DATE, nDay);
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return cal.getTime();
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} catch (Exception e) {
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}
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return null;
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}
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/**
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* 指定时间的前N天
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*
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* @param date
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* @return
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*/
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public static Date previousNDate(Date date, int nDay) {
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if (date == null) {
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return date;
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}
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Calendar cal = Calendar.getInstance();
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try {
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cal.setTime(date);
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cal.add(Calendar.DATE, -nDay);
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return cal.getTime();
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} catch (Exception e) {
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}
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return null;
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}
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/**
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* 获取一天的起始时间
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*
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* @param date
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* @return
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*/
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public static Date getStartDate(Date date) {
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if (date == null) {
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return date;
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}
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DateFormat fmt = new SimpleDateFormat(DATE_FORMAT_DD);
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String dateStr = fmt.format(date);
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dateStr = dateStr + START_TIME;
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fmt = new SimpleDateFormat(DATE_FORMAT_SS);
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try {
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return fmt.parse(dateStr);
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} catch (ParseException e) {
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}
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return date;
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}
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/**
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* 获取一天的结束时间
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*
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* @param date
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* @return
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*/
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public static Date getEndDate(Date date) {
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if (date == null) {
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return date;
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}
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DateFormat fmt = new SimpleDateFormat(DATE_FORMAT_DD);
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String dateStr = fmt.format(date);
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dateStr = dateStr + END_TIME;
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fmt = new SimpleDateFormat(DATE_FORMAT_SS);
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try {
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return fmt.parse(dateStr);
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} catch (ParseException e) {
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}
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return date;
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}
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/**
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* currentDat是否在referenceDate日期之前
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*
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* @param referenceDate
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* @param currentDat
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* @return
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*/
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public static boolean isBeforeDate(Date referenceDate, Date currentDate) {
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if (currentDate == null) {
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return false;
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}
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if (referenceDate == null) {
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return true;
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}
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return currentDate.before(referenceDate);
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}
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/**
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* currentDat是否在referenceDate日期之后
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*
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* @param referenceDate
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* @param currentDat
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* @return
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*/
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public static boolean isAffterDate(Date referenceDate, Date currentDate) {
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if (currentDate == null) {
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return false;
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}
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if (referenceDate == null) {
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return true;
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}
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return currentDate.after(referenceDate);
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}
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/**
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* 判断currentDate是否在startDate和endDate之间，不包括startDate和endDate
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*
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* @param startDate
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* @param endDate
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* @param currentDate
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* @return
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*/
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public static boolean isDuringDate(Date startDate, Date endDate, Date currentDate) {
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if (currentDate == null) {
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return false;
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}
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if (isAffterDate(startDate, currentDate) && isBeforeDate(endDate, currentDate)) {
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return true;
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}
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return false;
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}
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/**
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* 获取startDate到endDate之间的星期day（中文星期）不包括startDate和endDate
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*
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* @param startDate
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* @param endDate
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* @param day
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* @return
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*/
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public static List<Date> findDayDuringDate(Date startDate, Date endDate, int day) {
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List<Date> listDate = new ArrayList<Date>();
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int startDay = dateToWeek(startDate);
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Date date = null;
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if (startDay == day) {
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date = nextNDate(startDate, WEEK_DAYS);
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} else {
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date = nextNDate(startDate, day - startDay);
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}
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while (isDuringDate(startDate, endDate, date)) {
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listDate.add(date);
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date = nextNDate(date, WEEK_DAYS);
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}
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return listDate;
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}
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/**
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* date转换成Timestamp
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*
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* @param date
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* @param format
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* @return
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*/
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public static Timestamp dateToTimestamp(Date date, String format) {
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if (date == null) {
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return null;
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}
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format = DATE_FORMAT_SS;
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DateFormat fmt = new SimpleDateFormat(format);
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return Timestamp.valueOf(fmt.format(date));
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}
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/**
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* 获取早中晚
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*
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* @param time
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* @return
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*/
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public static String getDateTime(int time) {
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// 早上
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if (time == 1) {
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return DateUtils.DATE_TIME_MORNING;
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}
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// 下午
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else if (time == 2) {
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return DateUtils.DATE_TIME_AFTERNOON;
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}
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// 晚上
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else if (time == 3) {
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return DateUtils.DATE_TIME_NIGHT;
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}
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return null;
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}
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/**
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* 获取早中晚的开始时间
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*
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* @param date
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* @param time
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* @return
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*/
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public static Date getMeetTimeStart(String date, int time) {
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// 早上
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if (time == 1) {
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return DateUtils.stringToDate(date + " 06:00", DateUtils.DATE_FORMAT_MM);
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}
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// 下午
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else if (time == 2) {
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return DateUtils.stringToDate(date + " 13:00", DateUtils.DATE_FORMAT_MM);
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}
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// 晚上
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else if (time == 3) {
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return DateUtils.stringToDate(date + " 19:00", DateUtils.DATE_FORMAT_MM);
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}
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return null;
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}
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/**
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* 获取早中晚的结束时间
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*
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* @param date
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* @param time
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* @return
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*/
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public static Date getMeetTimeEnd(String date, int time) {
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// 早上
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if (time == 1) {
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return DateUtils.stringToDate(date + " 13:00", DateUtils.DATE_FORMAT_MM);
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}
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// 下午
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else if (time == 2) {
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return DateUtils.stringToDate(date + " 19:00", DateUtils.DATE_FORMAT_MM);
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}
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// 晚上
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else if (time == 3) {
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return DateUtils.stringToDate(date + " 23:00", DateUtils.DATE_FORMAT_MM);
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}
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return null;
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}
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/**
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* 得到几天前的时间
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*
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* @param d
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* @param day
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* @return
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*/
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public static Timestamp getDateBefore(Date d, int day) {
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Calendar now = Calendar.getInstance();
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now.setTime(d);
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now.set(Calendar.DATE, now.get(Calendar.DATE) - day);
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return new Timestamp(now.getTime().getTime());
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}
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/**
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* 得到几天后的时间
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*
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* @param d
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* @param day
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* @return
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*/
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public static Timestamp getDateAfter(Date d, int day) {
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Calendar now = Calendar.getInstance();
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now.setTime(d);
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now.set(Calendar.DATE, now.get(Calendar.DATE) + day);
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return new Timestamp(now.getTime().getTime());
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}
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/**
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* 将日期类型格式化成字符串
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*
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* @param date
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* @return 格式化后日期字符串
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* @throws ParseException
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*/
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public static String dateFormatStr(Date date, String dateStyle) {
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String dateStr = null;
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if (date != null) {
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SimpleDateFormat sdf = new SimpleDateFormat(dateStyle);
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dateStr = sdf.format(date);
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}
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return dateStr;
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}
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/**
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* 获取时间戳
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*
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* @return
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*/
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public static String getTimeMark() {
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Calendar c = Calendar.getInstance();
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int year = c.get(Calendar.YEAR);
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int mouth = c.get(Calendar.MONTH);
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int day = c.get(Calendar.DAY_OF_MONTH);
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int hour = c.get(Calendar.HOUR_OF_DAY);
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int minute = c.get(Calendar.MINUTE);
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int second = c.get(Calendar.SECOND);
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int haomiao = c.get(Calendar.MILLISECOND);
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return "" + year + mouth + day + hour + minute + second + haomiao;
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}
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}
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