overview统计

schoolNewsServ/common/common-dto/src/main/java/org/xyzh/common/dto/BaseDTO.java

@@ -28,6 +28,10 @@ public class BaseDTO implements Serializable{
      */
     private Date createTime;
 
+    private Date startTime;
+
+    private Date endTime;
+
     /**
      * @description    更新时间
      * @author    yslg
@@ -94,6 +98,22 @@ public class BaseDTO implements Serializable{
         this.createTime = createTime;
     }
 
+    public Date getStartTime() {
+        return startTime;
+    }
+
+    public void setStartTime(Date startTime) {
+        this.startTime = startTime;
+    }
+
+    public Date getEndTime() {
+        return endTime;
+    }
+
+    public void setEndTime(Date endTime) {
+        this.endTime = endTime;
+    }
+
     /**
      * @description    获取更新时间
      * @return    Date 更新时间

schoolNewsServ/common/common-redis/src/main/java/org/xyzh/common/redis/service/RedisService.java

@@ -283,6 +283,18 @@ public class RedisService {
         return redisTemplate.opsForSet().members(key);
     }
 
+    /**
+     * @description    获取Set集合大小（等价于Redis的SCARD）
+     * @param key String 键
+     * @return long 集合元素数量
+     * @author yslg
+     * @since 2025-11-14
+     */
+    public long sCard(String key) {
+        Long size = redisTemplate.opsForSet().size(key);
+        return size != null ? size : 0L;
+    }
+
     /**
      * @description    ZSet操作-添加元素
      * @param key String 键

schoolNewsServ/common/common-util/src/main/java/org/xyzh/common/utils/TimeUtils.java

@@ -294,4 +294,29 @@ public class TimeUtils {
         return Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());
     }
 
+    /**
+     * @description    获取昨天的开始时间
+     * @return    java.util.Date对象
+     * @author    yslg
+     * @since 2025-11-14
+     */
+    public static Date getStartTimeOfYesterday() {
+        LocalDate yesterday = LocalDate.now().minusDays(1);
+        return Date.from(
+            yesterday.atStartOfDay(ZoneId.systemDefault()).toInstant()
+        );
+    }
+
+    /**
+     * @description    获取昨天的结束时间
+     * @return    java.util.Date对象
+     * @author    yslg
+     * @since 2025-11-14
+     */
+    public static Date getEndTimeOfYesterday() {
+        LocalDate today = LocalDate.now();
+        return Date.from(
+            today.atStartOfDay(ZoneId.systemDefault()).minusNanos(1).toInstant()
+        );
+    }
 }