From d6d95c20d2ce496be2af9f9ab0b120bcc55d7f38 Mon Sep 17 00:00:00 2001
From: qingfeng1121 <lmg162543@163.com>
Date: Mon, 19 Jan 2026 11:36:03 +0800
Subject: [PATCH] =?UTF-8?q?refactor(util):=20=E5=90=88=E5=B9=B6=E5=8D=95?=
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将RefundNumberFenerator合并到NumberGenerator中，统一管理单号生成功能
更新RefundsServiceImpl中的引用以使用新的NumberGenerator
新增UserDto类用于表示用户结构信息
---
 src/main/java/com/qf/backend/dto/UserDto.java | 25 +++++++++++++++++++
 .../service/impl/RefundsServiceImpl.java      |  4 +--
 ...berFenerator.java => NumberGenerator.java} | 12 +++++++--
 3 files changed, 37 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/com/qf/backend/dto/UserDto.java
 rename src/main/java/com/qf/backend/util/{RefundNumberFenerator.java => NumberGenerator.java} (63%)

diff --git a/src/main/java/com/qf/backend/dto/UserDto.java b/src/main/java/com/qf/backend/dto/UserDto.java
new file mode 100644
index 0000000..4605615
--- /dev/null
+++ b/src/main/java/com/qf/backend/dto/UserDto.java
@@ -0,0 +1,25 @@
+package com.qf.backend.dto;
+
+import java.util.Date;
+
+/**
+ * 用户DTO 用于表示用户结构（包含用户的基本信息 和 角色信息）
+ * @author 30803
+ * @date 2023-12-12
+ * @description 用户DTO 用于表示用户结构
+ * 
+ */
+public class UserDto {
+    private Long id; // 用户ID，主键，自增
+    private String username; // 用户名
+    private String email; // 邮箱
+    private String phone; // 手机号
+    private Integer status; // 状态：0:禁用, 1:启用
+    private Long roleId; // 角色ID
+    private String roleName; // 角色名称
+    private String description; // 角色描述
+    private Integer roleType; // 角色类型：0:默认用户,1:店主,2:管理员
+    private Date createdAt; // 创建时间
+    private Date updatedAt; // 更新时间
+    
+}
diff --git a/src/main/java/com/qf/backend/service/impl/RefundsServiceImpl.java b/src/main/java/com/qf/backend/service/impl/RefundsServiceImpl.java
index e4da75a..222ca62 100644
--- a/src/main/java/com/qf/backend/service/impl/RefundsServiceImpl.java
+++ b/src/main/java/com/qf/backend/service/impl/RefundsServiceImpl.java
@@ -13,7 +13,7 @@ import com.qf.backend.exception.BusinessException;
 import com.qf.backend.exception.ErrorCode;
 import com.qf.backend.mapper.RefundsMapper;
 import com.qf.backend.service.RefundsService;
-import com.qf.backend.util.RefundNumberFenerator;
+import com.qf.backend.util.NumberGenerator;
 import com.qf.backend.util.ValidateUtil;
 
 /**
@@ -67,7 +67,7 @@ public class RefundsServiceImpl extends ServiceImpl<RefundsMapper, Refunds> impl
             throw new BusinessException(ErrorCode.MISSING_PARAM, "退款金额不能为空");
         }
         // 生成退款单号 基于时间戳 + 随机数 / 序列号（最常用）
-        refunds.setRefundNo(RefundNumberFenerator.generateRefundNumber());
+        refunds.setRefundNo(NumberGenerator.generateNumber());
         try {
             int result = refundsMapper.insert(refunds);
             return result > 0;
diff --git a/src/main/java/com/qf/backend/util/RefundNumberFenerator.java b/src/main/java/com/qf/backend/util/NumberGenerator.java
similarity index 63%
rename from src/main/java/com/qf/backend/util/RefundNumberFenerator.java
rename to src/main/java/com/qf/backend/util/NumberGenerator.java
index 674de7b..00d0e81 100644
--- a/src/main/java/com/qf/backend/util/RefundNumberFenerator.java
+++ b/src/main/java/com/qf/backend/util/NumberGenerator.java
@@ -6,10 +6,18 @@
 package com.qf.backend.util;
 
 /**
- * 退款单号生成器
+ * 单号生成器
  * @author 30803
  */
-public class RefundNumberFenerator {
+public class NumberGenerator {
+    /**
+     * 生成单号
+     * @return 单号
+     */
+    public static String generateNumber() {
+        // NUM + 基于时间戳 + 随机数 / 序列号（最常用）
+        return "NUM" + System.currentTimeMillis() + (int)(Math.random() * 10000);
+    }
     /**
      * 生成退款单号
      * @return 退款单号