DateUtil.java
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package com.genersoft.iot.vmp.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
/**
* 全局时间工具类
* @author swwheihei
*/
public class DateUtil {
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 final SimpleDateFormat formatISO8601 = new SimpleDateFormat(yyyy_MM_dd_T_HH_mm_ss_SSSXXX, Locale.getDefault());
public static final SimpleDateFormat format = new SimpleDateFormat(yyyy_MM_dd_HH_mm_ss, Locale.getDefault());
public static String yyyy_MM_dd_HH_mm_ssToISO8601(String formatTime) {
try {
return formatISO8601.format(format.parse(formatTime));
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
public static String ISO8601Toyyyy_MM_dd_HH_mm_ss(String formatTime) {
try {
return format.format(formatISO8601.parse(formatTime));
} catch (ParseException e) {
e.printStackTrace();
}
return "";
}
public static long yyyy_MM_dd_HH_mm_ssToTimestamp(String formatTime) {
//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;
}
public static String getNow() {
return format.format(System.currentTimeMillis());
}
}