日期格式获取周(星期)-蒲公英云

日期格式获取周(星期)

1：获取到的是英文的周

import org.jeecg.common.util.DateUtils;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
    public static void main(String[] args) {
            String dateString = "2023-07-06";
            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
            LocalDate date = LocalDate.parse(dateString, formatter);
            DayOfWeek dayOfWeek = date2.getDayOfWeek();
            String weekdayString = dayOfWeek.toString();
            System.out.println(weekdayString);
 }

控制台输出

THURSDAY

2：获取到的是中文的周

import org.jeecg.common.util.DateUtils;
import cn.hutool.core.date.DateUtil;
    public static void main(String[] args) {
            String dateString="2023-07-06";
            Date date = DateUtils.str2Date(dateString, DateUtils.date_sdf.get());
            String weekdayString = DateUtil.dayOfWeekEnum(date).toChinese();
            System.out.println(weekdayString);
     }

控制台输出

星期四

3：获取到的是中文的周的数字

import org.jeecg.common.util.DateUtils;
import cn.hutool.core.date.DateUtil;
    public static void main(String[] args) {
            String dateString="2023-07-06";
            Date date = DateUtils.str2Date(dateString, DateUtils.date_sdf.get());
            Integer weekdayInterger = DateUtil.dayOfWeekEnum(date).getValue();
            System.out.println(weekdayInterger);
     }

控制台输出

cn.hutool.core.date包下的Week类

public enum Week {
    SUNDAY(1),
    MONDAY(2),
    TUESDAY(3),
    WEDNESDAY(4),
    THURSDAY(5),
    FRIDAY(6),
    SATURDAY(7);
    private final int value;
    private Week(int value) {
        this.value = value;
    }
    public int getValue() {
        return this.value;
    }