java日期时间工具类【日期字符串转换，字符串截取时间】
功能：
1、日期和字符串格式转换
2、从字符串文本中解析出正确时间。
工具类代码如下，复制粘贴即用！：
package com.topcom.cms.yuqing.utils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.junit.Test;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DateFormatUtil {
/**
*
* @Title: longToString
* @Description:把13位的毫秒值转化为String类型格式化的时间格式
* @param time
* @return:
* @throws
*/
public static String longToString(long time) {
Date date = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String newDate = sdf.format(date);
return newDate;
}
/**
*
* @Title: DateToString
* @Description:
* @param time
* @return:
* @throws
*/
public static String DateToString(Date time) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String newDate = sdf.format(time);
return newDate;
}
public static String DateToString(Date time, String formatter) {
SimpleDateFormat sdf = new SimpleDateFormat(formatter);
String newDate = sdf.format(time);
return newDate;
}
/**
*
* @Title: parseDate
* @Description: 把String解析格式的时间转化为date
* @param stringTime
* @return:
* @throws
*/
public static Date parseDate(String stringTime) {
Date date = null;
if (StringUtils.isNotBlank(stringTime)) {
String[] pattern = new String[] { "yyyy年MM月dd日", "yyyy年MM月dd",
"yyyy-MM", "yyyy年MM月dd日", "yyyyMM", "yyyy/MM", "yyyyMMdd",
"yyyy-MM-dd", "yyyy/MM/dd", "yyyyMMddHHmmss",
"yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm",
"yyyy/MM/dd HH:mm:ss",
"MM月dd日", "MM月dd",
"MM", "MM月dd日", "MM", "MMdd",
"MM-dd", "/MM/dd", "MMddHHmmss",
"MM-dd HH:mm:ss", "MM-dd HH:mm",
"MM/dd HH:mm:ss",
};
try {
date = DateUtils.parseDate(stringTime, pattern);
} catch (ParseException e) {
e.printStackTrace();
}
}
return date;
}
/**
*
* @Description: 把String格式的时间转化为date
* @param stringTime
* @return:
* @throws
*/
public static Date formatDate(String stringTime) {
Date date = null;
if (StringUtils.isNotBlank(stringTime)) {
String[] pattern = new String[] { "yyyy年MM月dd日HH时mm分ss秒",
"yyyy年MM月dd日 HH时mm分ss秒", "yyyy年MM月dd日HH时mm分",
"yyyy年MM月dd日 HH时mm分", "yyyy年MM月dd日 HH时", "yyyy年MM月dd日HH时",
"yyyy年MM月dd日", "yyyy年MM月dd日HH:mm:ss",
"yyyy年MM月dd日 HH:mm:ss", "yyyy年MM月dd日HH:mm",
"yyyy年MM月dd日 HH:mm", "yyyy年MM月dd日 HH", "yyyy年MM月dd日HH",
"yyyy-MM-dd HH时mm分ss秒", "yyyy-MM-dd HH时mm分",
"yyyy-MM-dd HH时", "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss",
"yyyy-MM-dd HH:mm", "yyyy-MM-dd HH",
"yyyy/MM/dd HH时mm分ss秒", "yyyy/MM/dd HH时mm分",
"yyyy/MM/dd HH时", "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss",
"yyyy/MM/dd HH:mm", "yyyy/MM/dd HH", "yyyy.MM.dd HH:mm:ss",
"yyyy.MM.dd HH:mm", "yyyy.MM.dd HH", "yyyy.MM.dd",
"yyyyMMdd", };
try {
date = DateUtils.parseDate(stringTime, pattern);
} catch (ParseException e) {
e.printStackTrace();
}
}
return date;
}
/**
*
* @Description: 从字符串中截取出正确的时间
* @param stringTime
* @return:
* @throws
*/
public static Date cutDate(String stringTime) {
String regs[] = { "\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{1}时\\d{2}分",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}时\\d{2}分",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}时",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{1}时",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}时",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{1}时",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}时", "\\d{4}年\\d{2}月\\d{2}日",
"\\d{4}年\\d{2}月\\d{1}日", "\\d{4}年\\d{1}月\\d{2}日",
"\\d{4}年\\d{1}月\\d{1}日",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}:\\d{1}:\\d{2}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}:\\d{1}:\\d{2}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}:\\d{2}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{1}:\\d{2}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}:\\d{2}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{1}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}:\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{2}",
"\\d{4}年\\d{2}月\\d{2}日\\s\\d{1}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{2}",
"\\d{4}年\\d{1}月\\d{2}日\\s\\d{1}",
"\\d{4}年\\d{2}月\\d{2}日\\d{2}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}:\\d{2}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{1}:\\d{2}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}", "\\d{4}-\\d{2}-\\d{2}",
"\\d{4}-\\d{2}-\\d{1}", "\\d{4}-\\d{1}-\\d{2}",
"\\d{4}-\\d{1}-\\d{1}",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}-\\d{1}-\\d{1}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{2}时",
"\\d{4}-\\d{2}-\\d{2}\\s\\d{1}时",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{2}时",
"\\d{4}-\\d{1}-\\d{2}\\s\\d{1}时", "\\d{4}.\\d{2}.\\d{2}",
"\\d{4}.\\d{2}.\\d{1}", "\\d{4}.\\d{1}.\\d{2}",
"\\d{4}.\\d{1}.\\d{1}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}.\\d{1}.\\d{1}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{2}:\\d{2}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{1}:\\d{2}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{2}:\\d{2}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{1}:\\d{2}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{2}",
"\\d{4}.\\d{2}.\\d{2}\\s\\d{1}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{2}",
"\\d{4}.\\d{1}.\\d{2}\\s\\d{1}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}时",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}时",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}时",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}时",
"\\d{4}/\\d{2}/\\d{2}",
"\\d{4}/\\d{2}/\\d{1}",
"\\d{4}/\\d{1}/\\d{2}",
"\\d{4}/\\d{1}/\\d{1}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}:\\d{2}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}:\\d{2}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}:\\d{2}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}:\\d{2}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{2}",
"\\d{4}/\\d{2}/\\d{2}\\s\\d{1}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{2}",
"\\d{4}/\\d{1}/\\d{2}\\s\\d{1}",
"\\d{2}月\\d{2}日\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{2}月\\d{2}日\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{1}月\\d{2}日\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{2}月\\d{2}日\\d{2}时\\d{2}分\\d{2}秒",
"\\d{2}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{1}月\\d{2}日\\s\\d{1}时\\d{2}分",
"\\d{1}月\\d{2}日\\s\\d{2}时\\d{2}分",
"\\d{2}月\\d{2}日\\d{2}时\\d{2}分",
"\\d{2}月\\d{2}日\\s\\d{2}时",
"\\d{2}月\\d{2}日\\s\\d{1}时",
"\\d{1}月\\d{2}日\\s\\d{2}时",
"\\d{1}月\\d{2}日\\s\\d{1}时",
"\\d{2}月\\d{2}日\\d{2}时", "\\d{4}年\\d{2}月\\d{2}日",
"\\d{2}月\\d{1}日", "\\d{4}年\\d{1}月\\d{2}日",
"\\d{1}月\\d{1}日",
"\\d{2}月\\d{2}日\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{2}月\\d{2}日\\s\\d{2}:\\d{1}:\\d{2}",
"\\d{1}月\\d{2}日\\s\\d{2}:\\d{1}:\\d{2}",
"\\d{1}月\\d{2}日\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{2}月\\d{2}日\\d{2}:\\d{2}:\\d{2}",
"\\d{2}月\\d{2}日\\s\\d{2}:\\d{2}",
"\\d{2}月\\d{2}日\\s\\d{1}:\\d{2}",
"\\d{1}月\\d{2}日\\s\\d{2}:\\d{2}",
"\\d{1}月\\d{2}日\\s\\d{1}:\\d{2}",
"\\d{2}月\\d{2}日\\d{2}:\\d{2}",
"\\d{2}月\\d{2}日\\s\\d{2}",
"\\d{2}月\\d{2}日\\s\\d{1}",
"\\d{1}月\\d{2}日\\s\\d{2}",
"\\d{1}月\\d{2}日\\s\\d{1}",
"\\d{2}月\\d{2}日\\d{2}",
"\\d{2}-\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{2}-\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{1}-\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{1}-\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{2}-\\d{2}\\s\\d{2}:\\d{2}",
"\\d{2}-\\d{2}\\s\\d{1}:\\d{2}",
"\\d{2}-\\d{2}\\s\\d{2}", "\\d{4}-\\d{2}-\\d{2}",
"\\d{2}-\\d{1}", "\\d{4}-\\d{1}-\\d{2}",
"\\d{1}-\\d{1}",
"\\d{2}-\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{2}-\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{1}-\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{1}-\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{1}-\\d{1}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{2}-\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{2}-\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{1}-\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{1}-\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{2}-\\d{2}\\s\\d{2}时",
"\\d{2}-\\d{2}\\s\\d{1}时",
"\\d{1}-\\d{2}\\s\\d{2}时",
"\\d{1}-\\d{2}\\s\\d{1}时", "\\d{4}.\\d{2}.\\d{2}",
"\\d{2}.\\d{1}", "\\d{4}.\\d{1}.\\d{2}",
"\\d{1}.\\d{1}",
"\\d{2}.\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{2}.\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{1}.\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{1}.\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{1}.\\d{1}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{2}.\\d{2}\\s\\d{2}:\\d{2}",
"\\d{2}.\\d{2}\\s\\d{1}:\\d{2}",
"\\d{1}.\\d{2}\\s\\d{2}:\\d{2}",
"\\d{1}.\\d{2}\\s\\d{1}:\\d{2}",
"\\d{2}.\\d{2}\\s\\d{2}",
"\\d{2}.\\d{2}\\s\\d{1}",
"\\d{1}.\\d{2}\\s\\d{2}",
"\\d{1}.\\d{2}\\s\\d{1}",
"\\d{2}/\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{2}/\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{1}/\\d{2}\\s\\d{2}时\\d{2}分\\d{2}秒",
"\\d{1}/\\d{2}\\s\\d{1}时\\d{2}分\\d{2}秒",
"\\d{2}/\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{2}/\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{1}/\\d{2}\\s\\d{2}时\\d{2}分",
"\\d{1}/\\d{2}\\s\\d{1}时\\d{2}分",
"\\d{2}/\\d{2}\\s\\d{2}时",
"\\d{2}/\\d{2}\\s\\d{1}时",
"\\d{1}/\\d{2}\\s\\d{2}时",
"\\d{1}/\\d{2}\\s\\d{1}时",
"\\d{2}/\\d{2}",
"\\d{2}/\\d{1}",
"\\d{1}/\\d{2}",
"\\d{1}/\\d{1}",
"\\d{2}/\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{2}/\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{1}/\\d{2}\\s\\d{2}:\\d{2}:\\d{2}",
"\\d{1}/\\d{2}\\s\\d{1}:\\d{2}:\\d{2}",
"\\d{2}/\\d{2}\\s\\d{2}:\\d{2}",
"\\d{2}/\\d{2}\\s\\d{1}:\\d{2}",
"\\d{1}/\\d{2}\\s\\d{2}:\\d{2}",
"\\d{1}/\\d{2}\\s\\d{1}:\\d{2}",
"\\d{2}/\\d{2}\\s\\d{2}",
"\\d{2}/\\d{2}\\s\\d{1}",
"\\d{1}/\\d{2}\\s\\d{2}",
"\\d{1}/\\d{2}\\s\\d{1}",
};
String str = "";
Date date = null;
for (String reg : regs) {
String temp = match(reg, stringTime);
if (temp.length() > str.length()) {
str = temp;
if (!"".equals(str)) {
// System.err.println(reg);
date = formatDate(str);
}
}
}
return date;
}
public static String match(String reg, String stringTime) {
Pattern p = Pattern.compile(reg);
Matcher m = p.matcher(stringTime);
String s = "";
if (m.find()) {
s += m.group();
}
return s;
}
public static String addMonth(String time) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date date = parseDate(time);
date = DateUtils.addDays(date, 1);
String first = df.format(date);
return first;
}
@Test
public void formateTest() {
// Date date =
// cutDate("来自光明滑坡灾分享873评论2015年12月22日02:09 害现场抢险救援指2015年12月22日挥部的最新消息，截至22日凌晨，接报失联人员已下降为81人。");
// System.err.println(date.getTime());
// System.err.println(new Date(1462352940632l));
String stringTime = "http://www.chinasafety.gov.cn/newpage/Contents/Channel_20135/2011/0921/151059/content_151059.htm";
if (StringUtils.isNotBlank(stringTime)) {
String reg = "Channel_\\d{4,6}";
String channelStr = match(reg, stringTime);
String channelNo = match("\\d{4,6}", channelStr);
System.out.println(channelNo);
}
}
/*
* public static void main(String[] args) { // String
* str="Thu Sep 08 2011 00:00:00 GMT+0800 "; String
* str="Thu May 28 14:45:43 +0800 2015"; SimpleDateFormat sdf=new
* SimpleDateFormat("EEE MMM dd HH:mm:ss +0800 yyyy",Locale.ENGLISH); try {
* Date date = sdf.parse(str); String time = DateToString(date);
* System.err.println(date); System.err.println(time); } catch
* (ParseException e) { e.printStackTrace(); } }
*/
public static void main(String[] args) {
// String time = "20131101";
// System.out.println(formatDate(time));
// long timeLong = formatDate(time).getTime();
// System.out.println(timeLong/1000);
// System.err.println(new Date(1482328437000l));
// System.err.println(cutDate("2016-10-6 "));
// System.err.println(parseDate("2016年03月01日"));
// System.err.println(cutDate("2016/08/15").getTime());
// String targetId = "http://news.sohu.com/20160323/n441639453.shtml";
// if (targetId.contains("/n") && targetId.contains(".shtml")) {
// String newsId = targetId.substring(targetId.lastIndexOf("/n") + 2,
// targetId.lastIndexOf(".shtml"));
// System.err.println(newsId);
// }
// Date now = new Date();
// long endTime = now.getTime() + 7 * 24 * 60 * 60 * 1000;
String stringTime = "2017年01月10日 19点35分在浙江省宁波市慈溪市，赵永江发生一起道路运输行业道路运输事故，造成1人死亡，0人受伤（其中0人重伤）。";
Date date = cutDate(stringTime);
System.out.println(date);
System.out.println(DateToString(date));
}
}