yanghui
2022-10-14 c6232cfc36e373f83f45c95d400e09466cc2a7d3
springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
@@ -4,11 +4,10 @@
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.*;
import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import lombok.extern.slf4j.Slf4j;
@Slf4j
@@ -931,8 +930,7 @@
         Date after = getLastMonthEnd();
         System.out.println(date);
         System.out.println(after);
         System.out.println(getMonthTwentyDay());
    }
    /**
@@ -1129,4 +1127,39 @@
        return firstDayOfMonth;
    }
    /**
     * 获取20天前那天时间
     *
     * @return
     */
    public static String getTwentyDay() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(new Date());
        cal.add(Calendar.DATE, -20);
        return DateUtil.format(cal.getTime(),"yyyy-MM-dd");
    }
    /**
     * 获取最近本月20天数据
     *
     * @return
     */
    public static String getMonthTwentyDay() {
        Date date = new Date();
        Long offset = DateUtil.between(new Date(), DateUtil.beginOfMonth(date), DateUnit.DAY);
        if (offset >= 20) {
            return getTwentyDay();
        } else {
            //距离月初不足20天
            Calendar calendar = new GregorianCalendar();
            calendar.setTime(date);
            //获得本月第一天
            calendar.add(Calendar.MONTH, 0);
            calendar.set(Calendar.DAY_OF_MONTH, 1);
            return DateUtil.format(calendar.getTime(),"yyyy-MM-dd");
        }
    }
}