1

src/main/java/cn/van/business/model/pl/ImageConversion.java

@@ -0,0 +1,67 @@
+package cn.van.business.model.pl;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 图片转换记录实体类
+ * 用于记录webp格式图片转换为jpg格式的映射关系
+ * 
+ * @author System
+ * @version 1.0
+ */
+@Entity
+@Table(name = "image_conversions", indexes = {
+    @Index(name = "idx_original_url", columnList = "originalUrl"),
+    @Index(name = "idx_converted_url", columnList = "convertedUrl")
+})
+@Data
+public class ImageConversion {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    /**
+     * 原始webp图片URL
+     */
+    @Column(name = "original_url", nullable = false, length = 2048, unique = true)
+    private String originalUrl;
+
+    /**
+     * 转换后的jpg图片URL或本地路径
+     */
+    @Column(name = "converted_url", nullable = false, length = 2048)
+    private String convertedUrl;
+
+    /**
+     * 转换时间
+     */
+    @Column(name = "converted_at", nullable = false)
+    private LocalDateTime convertedAt;
+
+    /**
+     * 文件大小（字节）
+     */
+    @Column(name = "file_size")
+    private Long fileSize;
+
+    /**
+     * 创建时间
+     */
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private LocalDateTime createdAt;
+
+    @PrePersist
+    protected void onCreate() {
+        if (createdAt == null) {
+            createdAt = LocalDateTime.now();
+        }
+        if (convertedAt == null) {
+            convertedAt = LocalDateTime.now();
+        }
+    }
+}
+