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src/main/java/com/ycwl/basic/constant/BuyStatus.java

@@ -0,0 +1,71 @@
+package com.ycwl.basic.constant;
+
+/**
+ * 购买状态枚举
+ * 定义源文件的已购买和未购买两种状态
+ *
+ * @author Claude
+ * @since 2025-10-31
+ */
+public enum BuyStatus {
+    /**
+     * 未购买状态
+     */
+    NOT_BOUGHT(0, "未购买"),
+
+    /**
+     * 已购买状态
+     */
+    BOUGHT(1, "已购买");
+
+    private final int code;
+    private final String description;
+
+    BuyStatus(int code, String description) {
+        this.code = code;
+        this.description = description;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    /**
+     * 根据代码值获取枚举
+     *
+     * @param code 状态代码
+     * @return 对应的枚举值，如果不存在返回 null
+     */
+    public static BuyStatus fromCode(int code) {
+        for (BuyStatus status : values()) {
+            if (status.code == code) {
+                return status;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 判断给定的代码是否为已购买状态
+     *
+     * @param code 状态代码
+     * @return true-已购买，false-未购买
+     */
+    public static boolean isBought(Integer code) {
+        return code != null && code == BOUGHT.code;
+    }
+
+    /**
+     * 判断给定的代码是否为未购买状态
+     *
+     * @param code 状态代码
+     * @return true-未购买，false-已购买
+     */
+    public static boolean isNotBought(Integer code) {
+        return code != null && code == NOT_BOUGHT.code;
+    }
+}