123

ruoyi-cai/src/main/java/com/ruoyi/cai/util/CaiDateUtil.java

@@ -7,11 +7,22 @@ import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
 import java.time.temporal.TemporalAdjusters;
 
 public class CaiDateUtil {
 
 
+    /**
+     * 计算时间相差秒数
+     * 前者-后者 的差值
+     */
+    public static long diff(LocalDateTime before, LocalDateTime after){
+        return ChronoUnit.SECONDS.between(after, before);
+    }
+
+
+
     public static LocalDate getLastWeekOne(LocalDate date){
         return date.plusWeeks(-1)
                 .with(TemporalAdjusters.previousOrSame(DayOfWeek.MONDAY));
@@ -29,11 +40,6 @@ public class CaiDateUtil {
     }
 
 
-    public static void main(String[] args) {
-        LocalDate one = getLastWeekOne(LocalDate.now());
-        System.out.println(one.format(DateTimeFormatter.ofPattern("yyyyMMdd")));
-    }
-
     public static String getCurrentTimeStr() {
         return localDateTimeToString(LocalDateTime.now());