com.oa.product.action.MyDateUtils.java Source code

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Here is the source code for com.oa.product.action.MyDateUtils.java

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/**
 * Copyright &copy; 2012-2013 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.oa.product.action;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.commons.lang3.time.DateUtils;

/**
 * 
 * 
 * @author chenpeng
 * @version 2014-09-29
 */
public class MyDateUtils {

    private static String[] parsePatterns = { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy/MM/dd",
            "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm" };

    /**
     * ? ?yyyy-MM-dd
     */
    public static String getDate() {
        return DateFormatUtils.format(new Date(), "yyyy-MM-dd");
    }

    /**
     * ??yyyy-MM-dd HH:mm:ss
     */
    public static String getDateTime(Date date) {
        return formatDate(date, "yyyy-MM-dd HH:mm:ss");
    }

    /**
     *  ?yyyy-MM-dd pattern?"yyyy-MM-dd HH:mm:ss E"
     */
    public static String formatDate(Date date, Object... pattern) {
        String formatDate = null;
        if (pattern != null && pattern.length > 0) {
            formatDate = DateFormatUtils.format(date, pattern[0].toString());
        } else {
            formatDate = DateFormatUtils.format(date, "yyyy-MM-dd");
        }
        return formatDate;
    }

    /**
     * ? ?yyyy-MM-dd HH:mm:ss
     */
    public static String getDateTime() {
        return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
    }

    /**
     * ? ?yyyy
     */
    public static String getYear() {
        return formatDate(new Date(), "yyyy");
    }

    /**
     * ? ?MM.dd
     */
    public static String getMonthdd() {
        return formatDate(new Date(), "MM.dd");
    }

    /**
     * ? ?E| 
     */
    public static String getWeek() {
        return formatDate(new Date(), "E");
    }

    /**
     *  ? { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm",
     * "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm" }
     */
    public static Date parseDate(Object str) {
        if (str == null) {
            return null;
        }
        try {
            return DateUtils.parseDate(str.toString(), parsePatterns);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * ?
     * 
     * @param date
     * @return
     */
    public static long pastDays(Date date) {
        long t = new Date().getTime() - date.getTime();
        return t / (24 * 60 * 60 * 1000);
    }

    /**
     * ?
     * 
     * @param date
     * @return
     */
    public static long distanceDays(Date date1, Date date2) {
        long t = date2.getTime() - date1.getTime();
        return t / (24 * 60 * 60 * 1000);
    }

    /**
     * ???"yyyy-MM-dd HH:mm:ss"
     * 
     * @param date
     * @return
     */
    public static Date getDateStart(Date date) {
        if (date == null) {
            return null;
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            date = sdf.parse(formatDate(date, "yyyy-MM-dd") + " 00:00:00");
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;
    }

    /**
     * ????"yyyy-MM-dd HH:mm:ss"
     * 
     * @param date
     * @return
     */
    public static Date getDateEnd(Date date) {
        if (date == null) {
            return null;
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            date = sdf.parse(formatDate(date, "yyyy-MM-dd") + " 23:59:59");
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;
    }

}