feat(device): add app icon management with pagination and delete functionality

新增应用图标库分页查询和图标删除接口，并完成对应的菜单与按钮权限初始化。

src/main/java/com/youlai/boot/device/controller/AppIconController.java

@@ -3,7 +3,10 @@ package com.youlai.boot.device.controller;
 import com.youlai.boot.common.annotation.Log;
 import com.youlai.boot.common.enums.ActionTypeEnum;
 import com.youlai.boot.common.enums.LogModuleEnum;
+import com.youlai.boot.common.result.PageResult;
 import com.youlai.boot.common.result.Result;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.youlai.boot.device.model.vo.AppIconVO;
 import com.youlai.boot.device.service.AppIconService;
 import io.swagger.v3.oas.annotations.Operation;
@@ -12,6 +15,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -76,4 +80,25 @@ public class AppIconController {
     ) {
         return Result.success(appIconService.uploadIcon(packageName, appName, file, "admin"));
     }
+
+    @Operation(summary = "删除应用图标版本")
+    @DeleteMapping("/{packageName}/{iconId}")
+    @Log(module = LogModuleEnum.DEVICE, value = ActionTypeEnum.DELETE)
+    public Result<Boolean> deleteIcon(
+            @Parameter(description = "应用包名") @PathVariable String packageName,
+            @Parameter(description = "图标记录ID") @PathVariable Long iconId
+    ) {
+        return Result.judge(appIconService.deleteIcon(packageName, iconId));
+    }
+
+    @Operation(summary = "应用图标库分页列表")
+    @GetMapping("/page")
+    public PageResult<AppIconVO> page(
+            @Parameter(description = "页码", example = "1") @RequestParam(defaultValue = "1") Long pageNum,
+            @Parameter(description = "每页条数", example = "10") @RequestParam(defaultValue = "10") Long pageSize,
+            @Parameter(description = "应用包名（可选，不传返回全部）") @RequestParam(required = false) String packageName
+    ) {
+        IPage<AppIconVO> page = new Page<>(pageNum, pageSize);
+        return PageResult.success(appIconService.pageAppIcons(page, packageName));
+    }
 }

src/main/java/com/youlai/boot/device/service/AppIconService.java

@@ -1,5 +1,7 @@
 package com.youlai.boot.device.service;
 
+import com.baomidou.mybatisplus.core.metadata.IPage;
+
 import com.youlai.boot.device.model.vo.AppIconVO;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -66,4 +68,22 @@ public interface AppIconService {
      * @return packageName -> iconUrl
      */
     Map<String, String> getActiveIconUrls(Collection<String> packageNames);
+
+    /**
+     * 删除应用图标版本（逻辑删除）
+     *
+     * @param packageName 应用包名
+     * @param iconId      图标记录ID
+     * @return 是否成功
+     */
+    boolean deleteIcon(String packageName, Long iconId);
+
+    /**
+     * 分页查询应用图标库（支持按包名筛选，不传则返回全部）
+     *
+     * @param page        分页参数
+     * @param packageName 应用包名（可选）
+     * @return 分页结果
+     */
+    IPage<AppIconVO> pageAppIcons(IPage<AppIconVO> page, String packageName);
 }

src/main/java/com/youlai/boot/device/service/impl/AppIconServiceImpl.java

@@ -1,6 +1,8 @@
 package com.youlai.boot.device.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.youlai.boot.common.config.FilePath;
 import com.youlai.boot.common.exception.BusinessException;
@@ -26,6 +28,8 @@ import java.security.NoSuchAlgorithmException;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -211,8 +215,7 @@ public class AppIconServiceImpl extends ServiceImpl<AppIconMapper, AppIcon> impl
     }
 
     @Override
-    public Map<String, String> getActiveIconUrls(Collection<String> packageNames) {
-        if (packageNames == null || packageNames.isEmpty()) {
+    public Map<String, String> getActiveIconUrls(Collection<String> packageNames) {        if (packageNames == null || packageNames.isEmpty()) {
             return Map.of();
         }
         List<AppIcon> activeIcons = this.lambdaQuery()
@@ -261,9 +264,41 @@ public class AppIconServiceImpl extends ServiceImpl<AppIconMapper, AppIcon> impl
         return ICON_URL_PREFIX + fileName;
     }
 
+    @Override
+    public boolean deleteIcon(String packageName, Long iconId) {
+        Assert.isTrue(packageName != null && packageName.matches("[A-Za-z0-9._]+"), "应用包名不合法");
+        Assert.notNull(iconId, "图标记录ID不能为空");
+
+        AppIcon icon = this.getById(iconId);
+        Assert.notNull(icon, "图标记录不存在");
+        Assert.isTrue(packageName.equals(icon.getPackageName()), "图标记录不属于该应用");
+
+        // 逻辑删除（由 AppIcon 实体 @TableLogic 注解处理）
+        return this.removeById(iconId);
+    }
+
+    @Override
+    public IPage<AppIconVO> pageAppIcons(IPage<AppIconVO> page, String packageName) {
+        LambdaQueryWrapper<AppIcon> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(StringUtils.hasText(packageName), AppIcon::getPackageName, packageName)
+                .orderByDesc(AppIcon::getUpdateTime);
+        IPage<AppIcon> entityPage = this.page(
+                new Page<>(page.getCurrent(), page.getSize()), wrapper);
+        List<AppIconVO> voList = entityPage.getRecords().stream()
+                .map(this::toVo)
+                .collect(Collectors.toList());
+        IPage<AppIconVO> result = new Page<>(
+                entityPage.getCurrent(), entityPage.getSize(), entityPage.getTotal());
+        result.setRecords(voList);
+        return result;
+    }
+
     private AppIconVO toVo(AppIcon entity) {
+        if (entity == null) {
+            return null;
+        }
         AppIconVO vo = new AppIconVO();
         BeanUtils.copyProperties(entity, vo);
         return vo;
     }
-}
+}