feat(client): 添加品牌logo功能支持

- 在客户端账户实体中新增brandLogo字段用于存储品牌logo URL
- 实现品牌logo的上传、获取和删除接口
- 在Vue前端中集成品牌logo的展示和管理功能- 添加品牌logo的缓存机制提升访问性能
- 在设置对话框中增加品牌logo配置界面
- 实现品牌logo的预览、上传和删除操作
- 添加VIP权限控制确保只有VIP用户可使用该功能
- 增加品牌logo变更事件监听以实时更新界面显示- 更新数据库映射文件以支持brand_logo字段的读写- 在登录成功后异步加载品牌logo配置信息- 调整UI布局以适配品牌logo展示区域- 添加品牌logo相关的样式定义和响应式处理
- 实现品牌logo上传的文件类型和大小校验- 增加品牌logo删除确认提示增强用户体验
- 在App.vue中添加品牌logo的全局状态管理和展示逻辑- 优化品牌logo加载失败时的容错处理
- 完善品牌logo功能的相关错误处理和日志记录

ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/ClientAccountController.java

@@ -76,6 +76,7 @@ public class ClientAccountController extends BaseController {
     private Auth auth;
 
     private static final String SPLASH_IMAGE_CACHE_KEY = "splash_image:";
+    private static final String BRAND_LOGO_CACHE_KEY = "brand_logo:";
 
     private AjaxResult checkDeviceLimit(Long accountId, String deviceId, int deviceLimit) {
         int activeDeviceCount = accountDeviceMapper.countActiveDevicesByAccountId(accountId);
@@ -180,6 +181,11 @@ public class ClientAccountController extends BaseController {
         if (StringUtils.isNotEmpty(account.getSplashImage())) {
             redisCache.setCacheObject(SPLASH_IMAGE_CACHE_KEY + username, account.getSplashImage());
         }
+
+        // 更新品牌logo缓存到 Redis
+        if (StringUtils.isNotEmpty(account.getBrandLogo())) {
+            redisCache.setCacheObject(BRAND_LOGO_CACHE_KEY + username, account.getBrandLogo());
+        }
         
         String token = Jwts.builder()
                 .setHeaderParam("kid", jwtRsaKeyService.getKeyId())
@@ -402,7 +408,7 @@ public class ClientAccountController extends BaseController {
         try {
             ClientAccount account = clientAccountService.selectClientAccountByUsername(username);
             if (account == null) return AjaxResult.error("账号不存在");
-            
+
             account.setSplashImage(null);
             clientAccountService.updateClientAccount(account);
             redisCache.deleteObject(SPLASH_IMAGE_CACHE_KEY + username);
@@ -413,4 +419,66 @@ public class ClientAccountController extends BaseController {
         }
     }
 
+    /**
+     * 上传品牌logo
+     */
+    @PostMapping("/brand-logo/upload")
+    public AjaxResult uploadBrandLogo(@RequestParam("file") MultipartFile file, @RequestParam("username") String username) {
+        try {
+            ClientAccount account = clientAccountService.selectClientAccountByUsername(username);
+            if (account == null) return AjaxResult.error("账号不存在");
+            if (!file.getContentType().startsWith("image/")) return AjaxResult.error("只支持图片文件");
+            if (file.getSize() > 5 * 1024 * 1024) return AjaxResult.error("图片大小不能超过5MB");
+
+            String fileName = "brand-logo/" + DateUtil.format(new Date(), "yyyy/MM/") + IdUtil.simpleUUID() + "." + FileUtil.extName(file.getOriginalFilename());
+            try (InputStream is = file.getInputStream()) {
+                Response res = uploadManager.put(is, fileName, auth.uploadToken(qiniu.getBucket()), null, "");
+                if (!res.isOK()) return AjaxResult.error("上传失败");
+            }
+
+            String url = qiniu.getResourcesUrl() + fileName;
+            account.setBrandLogo(url);
+            clientAccountService.updateClientAccount(account);
+            redisCache.setCacheObject(BRAND_LOGO_CACHE_KEY + username, url);
+            return AjaxResult.success().put("url", url).put("fileName", fileName);
+        } catch (Exception e) {
+            return AjaxResult.error("上传失败");
+        }
+    }
+
+    /**
+     * 获取品牌logo
+     */
+    @GetMapping("/brand-logo")
+    public AjaxResult getBrandLogo(@RequestParam("username") String username) {
+        String url = redisCache.getCacheObject(BRAND_LOGO_CACHE_KEY + username);
+        if (StringUtils.isEmpty(url)) {
+            ClientAccount account = clientAccountService.selectClientAccountByUsername(username);
+            if (account != null && StringUtils.isNotEmpty(account.getBrandLogo())) {
+                url = account.getBrandLogo();
+                redisCache.setCacheObject(BRAND_LOGO_CACHE_KEY + username, url);
+            }
+        }
+        return AjaxResult.success(Map.of("url", url != null ? url : ""));
+    }
+
+    /**
+     * 删除品牌logo
+     */
+    @PostMapping("/brand-logo/delete")
+    public AjaxResult deleteBrandLogo(@RequestParam("username") String username) {
+        try {
+            ClientAccount account = clientAccountService.selectClientAccountByUsername(username);
+            if (account == null) return AjaxResult.error("账号不存在");
+
+            account.setBrandLogo(null);
+            clientAccountService.updateClientAccount(account);
+            redisCache.deleteObject(BRAND_LOGO_CACHE_KEY + username);
+            return AjaxResult.success("品牌logo已删除");
+        } catch (Exception e) {
+            e.printStackTrace();
+            return AjaxResult.error("删除失败: " + e.getMessage());
+        }
+    }
+
 }