DateUtil.java
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package com.genersoft.iot.vmp.gb28181.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
/**
* @Description:时间工具类，主要处理ISO 8601格式转换
* @author: songww
* @date: 2020年5月8日 下午3:24:42
*/
public class DateUtil {
//private static final String yyyy_MM_dd_T_HH_mm_ss_SSSXXX = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
private static final String yyyy_MM_dd_T_HH_mm_ss_SSSXXX = "yyyy-MM-dd'T'HH:mm:ss";
private static final String yyyy_MM_dd_HH_mm_ss = "yyyy-MM-dd HH:mm:ss";
public static String yyyy_MM_dd_HH_mm_ssToISO8601(String formatTime) {
SimpleDateFormat oldsdf = new SimpleDateFormat(yyyy_MM_dd_HH_mm_ss, Locale.getDefault());
SimpleDateFormat newsdf = new SimpleDateFormat(yyyy_MM_dd_T_HH_mm_ss_SSSXXX, Locale.getDefault());
try {
return newsdf.format(oldsdf.parse(formatTime));
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
public static String ISO8601Toyyyy_MM_dd_HH_mm_ss(String formatTime) {
SimpleDateFormat oldsdf = new SimpleDateFormat(yyyy_MM_dd_T_HH_mm_ss_SSSXXX, Locale.getDefault());
SimpleDateFormat newsdf = new SimpleDateFormat(yyyy_MM_dd_HH_mm_ss, Locale.getDefault());
try {
return newsdf.format(oldsdf.parse(formatTime));
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
public static long yyyy_MM_dd_HH_mm_ssToTimestamp(String formatTime) {
SimpleDateFormat format=new SimpleDateFormat(yyyy_MM_dd_HH_mm_ss);
//设置要读取的时间字符串格式
Date date;
try {
date = format.parse(formatTime);
Long timestamp=date.getTime()/1000;
//转换为Date类
return timestamp;
} catch (ParseException e) {
e.printStackTrace();
}
return 0;
}
}