修改bug

liujie

2023-10-26 e030255c23c7ba3e2cbad1036a810d6d72fa864f

 cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java

@@ -1,9 +1,12 @@
package com.dsh.course.util;

import java.text.ParseException;
import java.time.DayOfWeek;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.Calendar;
import java.util.Date;

/**
 * LocalDateTimeUtils
@@ -77,4 +80,37 @@
        Integer day=date.getDayOfMonth();
        return day < dayArr[month - 1] ? constellationArr[month - 1] : constellationArr[month];
    }

    /**
     * 获取当天的星期几
     * @return
     */
    public static int getWeekStr(){
        LocalDate today = LocalDate.now();
        DayOfWeek dayOfWeek = today.getDayOfWeek();
        return dayOfWeek.getValue();
    }

    /**
     * 根据输入本周的周几，获取当天的时间
     * @param dayOfWeekInput 周几
     * @return
     */
    public static Date getDateOfWeekNum(int dayOfWeekInput){
        // 获取当前日期
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());

        // 设置为本周的第一天（星期一）
        calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);

        // 根据输入的星期几数值，计算出相应的偏移量
        int dayOfWeekIndex = (dayOfWeekInput + 6) % 7;
        calendar.add(Calendar.DAY_OF_WEEK, dayOfWeekIndex);

        // 获取计算后的日期
        return calendar.getTime();
    }


}