add 定时任务

laws-modules/src/main/java/com/jero/modules/laws/common/util/DateUtil.java

@@ -6,8 +6,11 @@ import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 
@@ -49,6 +52,48 @@ public class DateUtil {
         }
     }
 
+    /**
+     * @Author: liao
+     * @Date: 2023/11/3 14:16
+     * @Description: 获取某天的开始时间 00:00:00
+     **/
+    public static Date getDayStart(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+
+        calendar.set(Calendar.HOUR_OF_DAY, 0);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+        return calendar.getTime();
+    }
+
+    /**
+     * @Author: liao
+     * @Date: 2023/11/3 14:16
+     * @Description: 获取某天的结束时间 23.59.59.999999999
+     **/
+    public static Date getDayEnd(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+
+        calendar.set(Calendar.HOUR_OF_DAY, 23);
+        calendar.set(Calendar.MINUTE, 59);
+        calendar.set(Calendar.SECOND, 59);
+        return calendar.getTime();
+    }
+
+    /**
+     * @Author: liao
+     * @Date: 2023/11/3 14:31
+     * @Description: 将一个日期，加上n天，n可以是负数
+     **/
+    public static Date getDateAddDays(Date date, int n) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.DAY_OF_MONTH, n);
+        return calendar.getTime();
+    }
+
     /**
      * @Author: liao
      * @Date: 2023/10/31 10:42
@@ -61,6 +106,8 @@ public class DateUtil {
         List<String> dayStrings = new ArrayList<>();
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
 
+        lastWeek = lastWeek.plusDays(1);
+
         while (!lastWeek.isAfter(today)) {
             dayStrings.add(lastWeek.format(formatter));
             lastWeek = lastWeek.plusDays(1);