价格查询，待处理订单内容

src/main/java/com/ycwl/basic/pricing/enums/CouponStatus.java

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+package com.ycwl.basic.pricing.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 优惠券状态枚举
+ */
+@Getter
+@AllArgsConstructor
+public enum CouponStatus {
+    
+    CLAIMED("claimed", "已领取"),
+    USED("used", "已使用"),
+    EXPIRED("expired", "已过期");
+    
+    private final String code;
+    private final String description;
+    
+    /**
+     * 根据代码获取枚举
+     */
+    public static CouponStatus fromCode(String code) {
+        for (CouponStatus status : values()) {
+            if (status.code.equals(code)) {
+                return status;
+            }
+        }
+        throw new IllegalArgumentException("Unknown coupon status code: " + code);
+    }
+}

src/main/java/com/ycwl/basic/pricing/enums/CouponType.java

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+package com.ycwl.basic.pricing.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 优惠券类型枚举
+ */
+@Getter
+@AllArgsConstructor
+public enum CouponType {
+    
+    PERCENTAGE("percentage", "百分比折扣"),
+    FIXED_AMOUNT("fixed_amount", "固定金额减免");
+    
+    private final String code;
+    private final String description;
+    
+    /**
+     * 根据代码获取枚举
+     */
+    public static CouponType fromCode(String code) {
+        for (CouponType type : values()) {
+            if (type.code.equals(code)) {
+                return type;
+            }
+        }
+        throw new IllegalArgumentException("Unknown coupon type code: " + code);
+    }
+}

src/main/java/com/ycwl/basic/pricing/enums/ProductType.java

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+package com.ycwl.basic.pricing.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 商品类型枚举
+ */
+@Getter
+@AllArgsConstructor
+public enum ProductType {
+    
+    VLOG_VIDEO("vlog_video", "Vlog视频"),
+    RECORDING_SET("recording_set", "录像集"),
+    PHOTO_SET("photo_set", "照相集"),
+    PHOTO_PRINT("photo_print", "照片打印"),
+    MACHINE_PRINT("machine_print", "一体机打印");
+    
+    private final String code;
+    private final String description;
+    
+    /**
+     * 根据代码获取枚举
+     */
+    public static ProductType fromCode(String code) {
+        for (ProductType type : values()) {
+            if (type.code.equals(code)) {
+                return type;
+            }
+        }
+        throw new IllegalArgumentException("Unknown product type code: " + code);
+    }
+}