javaDataUtil将 Date 转为 LocalDateTime转Long转String转Date

package com.ms.common.util;
 
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
 
/**
 * @author liu pei
 * @version 1.0.0
 * @ClassName DateUtils.java
 * @Description
 * @createTime 2022年12月03日 10:30:00
 */
public class DateUtils {
 
    /**
     * Date 转  LocalDateTime
     * @param date
     * @return
     */
    public static LocalDateTime dateToLocalDate(Date date){
       return date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
    }
 
    /**
     *  String 转 LocalDateTime
     * @param date
     * @return
     */
    public static LocalDateTime strToLocalDate(String date){
        DateTimeFormatter df = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        LocalDateTime localDateTime = LocalDateTime.parse(date, df);
        return localDateTime;
    }
 
    /**
     *  LocalDateTime 转 String
     * @param localDateTime
     * @return
     */
    public static String localDateToStr(LocalDateTime localDateTime){
        DateTimeFormatter df = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        String format = df.format(localDateTime);
        return format;
    }
 
    /**
     *  long 转 date
     * @param date
     * @return
     */
    public static Date longToDate(Long date){
        return new Date(date);
    }
 
    /**
     *  时间加分钟
     * @param now
     * @param addDate
     * @return
     */
    public static Date dateAdd(Date now, long addDate){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        Date afterDate = new Date(now.getTime() + addDate);
        return afterDate;
    }
 
    /**
     * 天转分钟
     * @param date
     * @return
     */
    public static Long dateToTime(String date){
        Long value = Long.valueOf(date) * 60 * 24;
        return value;
    }
 
    /**
     * date转long
     * @param date
     * @return
     */
    public static long dateToLong(Date date){
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        return date.getTime();
    }
 
    /**
     * 字符串转日期
     * @param str
     * @return
     */
    public static Date strToDate(String str){
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        try {
            Date date = df.parse(str);
            return date;
        } catch (ParseException pe) {
            System.out.println(pe.getMessage());
        }
        return null;
    }
 
    /**
     * 日期转字符串
     * @param date
     * @return
     */
    public static String dateToStr(Date date){
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        String sDate = df.format(date);
        return sDate;
    }
 
    /**
     * 添加小时
     * @param day
     * @param hour
     * @return
     */
    public static String addDateHour(String day, int hour){
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = null;
        try {
            date = format.parse(day);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        if (date == null)
            return "";
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.HOUR, hour);// 24小时制
        date = cal.getTime();
        cal = null;
        return format.format(date);
 
    }
 
 
}