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src/main/java/com/xjhs/findmemerchant/entity/BusinessPeriod.java

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+package com.xjhs.findmemerchant.entity;
+
+import com.xjhs.findmemerchant.common.jpa.AbstractBaseEntity;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import org.hibernate.annotations.Comment;
+
+/**
+ * 门店营业时间段
+ * 对应表：business_periods
+ */
+@Getter
+@Setter
+@Entity
+@Table(
+        name = "business_periods",
+        indexes = {
+                @Index(name = "idx_business_periods_store_id", columnList = "store_id")
+        }
+)
+public class BusinessPeriod extends AbstractBaseEntity {
+
+    /**
+     * 门店
+     */
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "store_id", insertable = false, updatable = false)
+    @Comment("门店Id")
+    private Store store;
+
+    /**
+     * 周几：0=周日 ... 6=周六
+     */
+    @Column(name = "day_of_week", nullable = false)
+    @Comment("周几：0周日 1周一 ... 6周六")
+    private Byte dayOfWeek;
+
+    /**
+     * 开始时间，HH:MM
+     */
+    @Column(name = "start_time", nullable = false, length = 5)
+    @Comment("开始时间，HH:MM")
+    private String startTime;
+
+    /**
+     * 结束时间，HH:MM
+     */
+    @Column(name = "end_time", nullable = false, length = 5)
+    @Comment("结束时间，HH:MM")
+    private String endTime;
+
+    /**
+     * 是否启用
+     */
+    @Column(name = "is_enabled", nullable = false)
+    @Comment("是否启用")
+    private Boolean isEnabled = Boolean.TRUE;
+
+
+    // ========== 业务方法 ==========
+
+    /**
+     * 中文周几，比如：周一
+     */
+    public String getDayName() {
+        if (dayOfWeek == null) {
+            return "未知";
+        }
+        return switch (dayOfWeek) {
+            case 0 -> "周日";
+            case 1 -> "周一";
+            case 2 -> "周二";
+            case 3 -> "周三";
+            case 4 -> "周四";
+            case 5 -> "周五";
+            case 6 -> "周六";
+            default -> "未知";
+        };
+    }
+}