wxservice-server/src/main/java/thyyxxk/wxservice_server/utils/DateUtil.java

package thyyxxk.wxservice_server.utils;

import lombok.extern.slf4j.Slf4j;

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

/**
 * @author dj
 */
@Slf4j
public class DateUtil {
    private static final String DEFAULT_PATTERN = "yyyy-MM-dd HH:mm:ss";

    public static String today() {
        Date date = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        return sdf.format(date);
    }

    public static String formatDatetime(Date date) {
        return formatDatetime(date, DEFAULT_PATTERN);
    }

    public static String formatDatetime(Date date, String pattern) {
        if (null == date) {
            date = new Date();
        }
        SimpleDateFormat sdf = new SimpleDateFormat(pattern);
        return sdf.format(date);
    }

    public static Date parseDatetime(String source) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            return df.parse(source);
        } catch (ParseException e) {
            return null;
        }
    }

    public static int parseHourMinuteToInteger() {
        SimpleDateFormat sdf = new SimpleDateFormat("HHmm");
        return Integer.parseInt(sdf.format(new Date()));
    }

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

    public static String parseTimestamp(Long timestamp, String pattern) {
        if (null == timestamp) {
            return null;
        }
        Date date = new Date(timestamp);
        SimpleDateFormat df = new SimpleDateFormat(pattern);
        return df.format(date);
    }

    public static String[] getDatesInOneWeek() {
        String[] result = new String[7];
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        result[0] = sdf.format(new Date());
        for (int i = 1; i < result.length; i++) {
            calendar.add(Calendar.DATE, 1);
            result[i] = sdf.format(calendar.getTime());
        }
        return result;
    }

    public static String[] getOneWeekOffset() {
        String[] result = new String[2];
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        result[0] = sdf.format(new Date()) + " 00:00:00";
        calendar.add(Calendar.DATE, 6);
        result[1] = sdf.format(calendar.getTime()) + " 23:59:59";
        return result;
    }

    public static Date getExpireDate(int effectiveDays) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.DATE, effectiveDays);
        return calendar.getTime();
    }

    public static boolean orderValid(Date create) {
        long offset = System.currentTimeMillis() - create.getTime();
        return (offset / 1000 / 60) < 60;
    }

    public static String formatBirthday(String socialNo, String birth) throws Exception {
        String day = StringUtil.isBlank(socialNo) ? birth : socialNo.substring(6, 14);
        SimpleDateFormat origin = new SimpleDateFormat("yyyyMMdd");
        SimpleDateFormat destination = new SimpleDateFormat("yyyy-MM-dd");
        return destination.format(origin.parse(day));
    }

    public static Integer calculateAge(String socialNo, String birth) throws Exception {
        String dates = StringUtil.isBlank(socialNo) ? birth : socialNo.substring(6, 14);
        Date nowDate = new Date();
        //获取当前时间
        DateFormat df = new SimpleDateFormat("yyyyMMdd");
        Date birthDate = df.parse(dates);
        //格式化出生日期
        long diff = nowDate.getTime() - birthDate.getTime();
        long ages = diff / (1000 * 60 * 60 * 24) / 365;
        return (int) ages;
    }

    public static String calculateSex(String socialNo) {
        socialNo = socialNo.trim();
        char c = socialNo.length() == 18 ? socialNo.charAt(socialNo.length() - 2) : socialNo.charAt(socialNo.length() - 1);
        if (StringUtil.isBlank(String.valueOf(c))) {
            return null;
        }
        try {
            int gender = Integer.parseInt(String.valueOf(c));
            return gender % 2 == 1 ? "M" : "F";
        } catch (Exception e) {
            log.error("无法从身份证 {} 中解析出性别。", socialNo);
            return null;
        }
    }

    private static final String[] TEMPLATE_PATTERNS = {"yyyyMMdd", "yyyy.MM.dd", "yyyy-MM-dd",
            "yyyy-MM-d", "yyyy-M-dd", "yyyy-M-d", "yyyyMMd", "yyyyMdd", "yyyyMd", "yyyy年MM月dd日", "yyyy年MM月d日",
            "yyyy年M月dd日", "yyyy年M月d日", "yyyy/MM/dd", "yyyy/MM/d", "yyyy/M/dd",
            "yyyy/M/d", "yyyy.MM.d", "yyyy.M.dd", "yyyy.M.d"};

    public static String matchDate(String date, String pattern) {
        if (StringUtil.isBlank(date)) {
            return null;
        }
        Date parse = null;
        boolean isFlag = false;
        for (String templatePattern : TEMPLATE_PATTERNS) {
            try {
                SimpleDateFormat format = new SimpleDateFormat(templatePattern);
                parse = format.parse(date);
            } catch (Exception e) {
                continue;
            }
            isFlag = true;
            break;
        }
        if (isFlag) {
            SimpleDateFormat formatRes = new SimpleDateFormat(pattern);
            return formatRes.format(parse);
        }
        return null;
    }

}