com.seejoke.wechat.util.DateUtil Maven / Gradle / Ivy

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package com.seejoke.wechat.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;


public class DateUtil {
    public static String getCurrentWeek(String date) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String week = "";
        try {
            System.out.println("date-- : " + date);
            if (date != null) {
                Date startDate = sdf.parse(date);
                int startDay = (int) (startDate.getTime() / 1000 / 60 / 60 / 24);
                int currentDay = (int) (System.currentTimeMillis() / 1000 / 60 / 60 / 24);
                week = "" + ((currentDay - startDay - 1) / 7 + 1);
            }
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return week;
    }

    public static String getWeekOfDate(Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat("EEEE");
        String week = sdf.format(date);
        return week;
    }

    public static String dateToString(Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return sdf.format(date);
    }

    public static String getNowTime() {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return sdf.format(new Date());
    }

    public static String getTimestamp() {
        return Long.toString(System.currentTimeMillis() / 1000);
    }

    public static long getDelay(String targetTime) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date targetDate = null;
        try {
            targetDate = sdf.parse(targetTime);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return targetDate.getTime() - System.currentTimeMillis();
    }

}