package com.hx.util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Locale;
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public class DateUtil {
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private static SimpleDateFormat Format_1 = new SimpleDateFormat("yyyyMMdd");
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private static SimpleDateFormat Format_2 = new SimpleDateFormat("yyyyMMddHHmmss");
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private static SimpleDateFormat Format_3 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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private static SimpleDateFormat Format_4 = new SimpleDateFormat("yyyy-MM-dd");
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private static SimpleDateFormat Format_5 = new SimpleDateFormat("HH:mm:ss");
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private static SimpleDateFormat Format_6 = new SimpleDateFormat("yyyyMM");
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private static SimpleDateFormat Format_7 = new SimpleDateFormat("MM月dd日 HH:mm");
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private static SimpleDateFormat Format_8 = new SimpleDateFormat("yyyy年MM月");
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private static SimpleDateFormat Format_9 = new SimpleDateFormat("MM-dd");
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private static SimpleDateFormat Format_10 = new SimpleDateFormat("yyyy年MM月dd日");
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private static SimpleDateFormat Format_11 = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");
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private static SimpleDateFormat Format_12 = new SimpleDateFormat("yyyyMMddHHmm");
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private static SimpleDateFormat Format_13 = new SimpleDateFormat("yyyy/MM/dd");
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private static SimpleDateFormat Format_14 = new SimpleDateFormat("yyyy-MM");
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private static SimpleDateFormat Format_15 = new SimpleDateFormat("yyyyMMddHHmmssSSS");
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private static SimpleDateFormat Format_16 = new SimpleDateFormat("yyyy/MM/dd HH:mm");
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private static SimpleDateFormat Format_17 = new SimpleDateFormat("HH:mm");
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/**时间格式转化
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* @param date 时间
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* @param format 时间格式
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* @return 返回的时间格式字符串
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*/
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public static String dateFormat(Date date, String format) {
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if(!SimpleTool.checkNotNull(date)){
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return "";
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}
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SimpleDateFormat df = new SimpleDateFormat(format);//设置日期格式
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return df.format(date);
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}
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/**
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* 转换成yyyyMMdd格式的日期字符串
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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 String formatDate(Date date) {
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return Format_1.format(date);
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}
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/**
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* 转换成yyyyMMddHHmmss格式的日期字符串
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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 String formatDate_1(Date date) {
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return Format_2.format(date);
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}
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/**
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* 转换成yyyy-MM-dd HH:mm:ss格式的日期字符串
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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 String formatDate_2(Date date) {
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return date == null ? null : Format_3.format(date);
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}
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/**
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* 转换成yyyy-MM-dd格式的日期字符串
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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 String formatDate_3(Date date) {
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return date != null ? Format_4.format(date) : null;
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}
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/**
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* 转换成HH:mm:ss格式的日期字符串
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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 String formatDate_4(Date date) {
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return Format_5.format(date);
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}
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/**
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* 转换成yyyyMM格式的日期字符串
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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 String formatDate_5(Date date) {
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return Format_6.format(date);
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}
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/**
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* 转换成mm月dd日 HH:mm格式的日期字符串
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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 String formatDate_6(Date date) {
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return Format_7.format(date);
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}
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/**
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* 转换成yyyy年mm月格式的日期字符串
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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 String formatDate_7(Date date) {
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return Format_8.format(date);
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}
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/**
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* 转换成mm-dd格式的日期字符串
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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 String formatDate_8(Date date) {
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return Format_9.format(date);
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}
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/**
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* 转换成yyyy年MM月dd日格式的日期字符串
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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 String formatDate_9(Date date) {
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return Format_10.format(date);
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}
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/**
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* 转换成yyyyMMddHHmm格式的日期字符串
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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 String formatDate_11(Date date) {
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return Format_12.format(date);
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}
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/**
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* 转换成yyyy年MM月dd日 HH:mm:ss格式的日期字符串
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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 String formatDate_10(Date date) {
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return Format_11.format(date);
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}
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/**
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* 转换成yyyy/MM/dd 格式的日期字符串
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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 String formatDate_13(Date date) {
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return Format_13.format(date);
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}
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/**
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* 转换成yyyy-MM 格式的日期字符串
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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 String formatDate_14(Date date) {
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return Format_14.format(date);
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}
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/**
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* 转换成yyyyMMddHHmmssSSS格式的日期字符串
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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 String formatDate_15(Date date) {
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return Format_15.format(date);
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}
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/**
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* 转换成yyyy/MM/dd HH:mm格式的日期字符串
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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 String formatDate_16(Date date) {
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return Format_16.format(date);
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}
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/**
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* 转换成HH:mm格式的日期字符串
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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 String formatDate_17(Date date) {
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return Format_17.format(date);
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}
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/**
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* 转换成字符串yyyyMMddHHmmss成日�?
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*
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* @param str
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* @return
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* @throws Exception
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*/
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public static Date parseString(String str) throws Exception {
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return Format_2.parse(str);
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}
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/**
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* 转换成字符串到指定的日期
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*
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* @param str
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* @param format
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* @return
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* @throws Exception
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*/
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public static Date parseString(String str, String format) throws Exception {
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SimpleDateFormat sdf = new SimpleDateFormat(format);
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return sdf.parse(str);
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}
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/**字符串转成时间yyyy-MM-dd HH:mm:ss*/
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public static Date parseString_1(String str)
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{
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try{
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return Format_3.parse(str);
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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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/**字符串转成时间yyyy-MM-dd*/
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public static Date parseString_2(String str)
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{
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try{
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return Format_4.parse(str);
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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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/**时间上分钟叠加
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* @Author: ChenJiaHe
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* @param dateTime 时间
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* @param min 分钟
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* @return
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*/
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public static Date addMin(Date dateTime,int min){
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Calendar c = Calendar.getInstance();
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c.setTime(dateTime);
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c.add(Calendar.MINUTE, min);
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return c.getTime();
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}
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/**时间上小时叠加
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* @Author: ChenJiaHe
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* @param dateTime 时间
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* @param hour 小时
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* @return
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*/
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public static Date addhour(Date dateTime,int hour){
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Calendar c = Calendar.getInstance();
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c.setTime(dateTime);
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c.add(Calendar.HOUR, hour);
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return c.getTime();
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}
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/**时间上天数叠加
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* @Author: ChenJiaHe
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* @param dateTime 时间
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* @param dayNum 天数
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* @return
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*/
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public static Date addDay(Date dateTime,int dayNum){
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Calendar c = Calendar.getInstance();
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c.setTime(dateTime);
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c.add(Calendar.DATE, dayNum);
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return c.getTime();
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}
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/**时间上年数叠加
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* @Author: ChenJiaHe
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* @param dateTime 时间
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* @param dayNum 天数
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* @return
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*/
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public static Date addYear(Date dateTime,int dayNum){
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Calendar c = Calendar.getInstance();
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c.setTime(dateTime);
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c.add(Calendar.YEAR, dayNum);
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return c.getTime();
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}
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/**
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* 转换成字符串到指定的日期
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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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* @throws Exception
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*/
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public static String formatDate(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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SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.CHINA);
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return sdf.format(date);
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}
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/**日期转星期
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* @param dateTime 字符串时间
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* @param format 字符串时间格式
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* @param returnType 返回类型 0星期几1周几
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* @return 数据
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*/
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public static String dateToWeek(String dateTime,String format,Integer returnType) throws ParseException {
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SimpleDateFormat f = new SimpleDateFormat(format);
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String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
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if(SimpleTool.checkNotNull(returnType)&&returnType==1){
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weekDays = new String[]{"周日", "周一", "周二", "周三", "周四", "周五", "周六"};
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}
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Calendar cal = Calendar.getInstance(); // 获得一个日历
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Date datet = null;
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datet = f.parse(dateTime);
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cal.setTime(datet);
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int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。
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if (w < 0)
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w = 0;
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return weekDays[w];
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}
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/**日期转星期
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* @param dateTime 时间
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* @param returnType 返回类型 0星期几1周几
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* @return 数据
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*/
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public static String dateToWeek(Date dateTime,Integer returnType) {
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String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
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if(SimpleTool.checkNotNull(returnType)&&returnType==1){
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weekDays = new String[]{"周日", "周一", "周二", "周三", "周四", "周五", "周六"};
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}
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Calendar cal = Calendar.getInstance(); // 获得一个日历
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cal.setTime(dateTime);
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int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。
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if (w < 0)
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w = 0;
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return weekDays[w];
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}
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/**
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* endTime比startTime多的天数
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* @param startTime 最小时间
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* @param endTime 最大时间
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* @return
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*/
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public static Integer differDay(Date startTime,Date endTime){
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Calendar cal1 = Calendar.getInstance();
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cal1.setTime(startTime);
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Calendar cal2 = Calendar.getInstance();
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cal2.setTime(endTime);
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int day1= cal1.get(Calendar.DAY_OF_YEAR);
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int day2 = cal2.get(Calendar.DAY_OF_YEAR);
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int year1 = cal1.get(Calendar.YEAR);
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int year2 = cal2.get(Calendar.YEAR);
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if(year1 != year2) { //同一年
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int timeDistance = 0 ;
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for(int i = year1 ; i < year2 ; i ++) {
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if(i%4==0 && i%100!=0 || i%400==0) {//闰年
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timeDistance += 366;
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}
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else {//不是闰年
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timeDistance += 365;
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}
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}
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return timeDistance + (day2-day1) ;
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}
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else { //不同年
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System.out.println("判断day2 - day1 : " + (day2-day1));
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return day2-day1;
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}
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}
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/**判断两个时间是不是同一天*/
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public static boolean timeEqual(Date startTime,Date endTime){
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if(startTime == null || endTime==null){
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return false;
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}
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boolean status = false;
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if(formatDate(startTime,"yyyyMMdd").equals(formatDate(endTime,"yyyyMMdd"))){
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status = false;
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}
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return status;
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}
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/**把秒转换成X天X时X分X秒*/
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public static String getChineseStr(Integer second)
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{
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int day = 24 * 60 * 60;
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int hour = 60 * 60;
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int min = 60;
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int dayNum = second / day;
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int hourNum = second % day / hour;
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int minNum = second % day % hour / min;
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second = second % day % hour % min;
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String str = dayNum > 0 ? dayNum + "天" : "";
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str += hourNum > 0 ? hourNum + "时" : "";
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str += minNum > 0 ? minNum + "分" : "";
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str += second + "秒";
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return str;
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}
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}
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