feat: 添加页脚和ICP备案信息到系统设置和页面

1. 新增页脚信息和ICP备案信息的系统配置项
2. 开放公开接口获取新增的系统设置项
3. 在管理端布局添加页脚和ICP备案展示

backend/auth/apps/settings/urls.py

@@ -73,18 +73,21 @@ async def get_public_setting(
     key: str = None,
     db: AsyncSession = Depends(get_db),
 ):
-    """公开接口：获取系统设置（仅允许获取id为1或key为"系统标题"的内容）"""
+    """公开接口：获取系统设置（允许获取id为1/2或key为"系统标题"/"IPC内容"的内容）"""
+    ALLOWED_IDS = {1, 2, 3}
+    ALLOWED_KEYS = {"系统标题", "页脚信息", "IPC信息"}
+
     if setting_id is not None:
-        if setting_id != 1:
+        if setting_id not in ALLOWED_IDS:
             raise HTTPException(status_code=403, detail="无权访问该设置项")
         result = await db.execute(select(SystemSetting).filter(SystemSetting.id == setting_id))
     elif key is not None:
-        if key != "系统标题":
+        if key not in ALLOWED_KEYS:
             raise HTTPException(status_code=403, detail="无权访问该设置项")
         result = await db.execute(select(SystemSetting).filter(SystemSetting.key == key))
     else:
         raise HTTPException(status_code=400, detail="必须提供setting_id或key参数")
-    
+
     setting = result.scalar_one_or_none()
     if not setting:
         raise HTTPException(status_code=404, detail="设置项不存在")

backend/auth/init_data.py

@@ -349,6 +349,18 @@ async def init_system_settings(db: AsyncSession):
             "type": "string",
             "description": "系统显示标题"
         },
+        {
+            "key": "页脚信息",
+            "value": "© 2026 图书管理系统 版权所有 | 技术支持：强蕊科技",
+            "type": "string",
+            "description": "页脚信息"
+        },
+        {
+            "key": "ICP信息",
+            "value": "京ICP备2023000000号",
+            "type": "string",
+            "description": "ICP备案信息"
+        }
     ]
 
     # 检查现有系统设置

frontend/src/modules/admin/layout/AdminLayout.vue

@@ -53,6 +53,13 @@
         <div class="page-content">
           <router-view />
         </div>
+        <!-- IPC 页脚 -->
+        <div class="footer" v-if="footerInfo">
+          {{ footerInfo }} 
+          <a href="https://beian.miit.gov.cn" target="_blank">
+            <span v-if="ipcContent"> | {{ ipcContent }}</span>
+          </a>
+        </div>
       </el-main>
     </el-container>
   </el-container>
@@ -70,6 +77,8 @@ const route = useRoute();
 const router = useRouter();
 const auth = useAuthStore();
 const sysTitle = ref("");
+const footerInfo = ref("");
+const ipcContent = ref("");
 
 const active = computed(() => route.path);
 const pageTitle = computed(() => (route.meta.title as string) || "");
@@ -98,9 +107,35 @@ async function getSysTitle() {
   }
 }
 
+async function getfooterInfo() {
+  try {
+    const baseURL = import.meta.env.VITE_API_BASE || "/api";
+    let res = await axios.get(`${baseURL}/settings/public?setting_id=2`)
+    if (res.data) {
+      footerInfo.value = res.data.value;
+    }
+  } catch {
+    // 脚注内容加载失败不影响页面正常显示
+  }
+}
+
+async function getipcContent() {
+  try {
+    const baseURL = import.meta.env.VITE_API_BASE || "/api";
+    let res = await axios.get(`${baseURL}/settings/public?setting_id=3`)
+    if (res.data) {
+      ipcContent.value = res.data.value;
+    }
+  } catch {
+    // IPC内容加载失败不影响页面正常显示
+  }
+}
+
 onMounted(async () => {
   try {
     await getSysTitle();
+    await getfooterInfo();
+    await getipcContent();
     if (!auth.user) {
       await auth.fetchProfile();
     }
@@ -166,4 +201,13 @@ async function onLogout() {
   flex-direction: column;
   min-width: 0;
 }
+.footer {
+  flex-shrink: 0;
+  margin-top: auto;
+  padding: 12px 0;
+  text-align: center;
+  font-size: 13px;
+  color: #94a3b8;
+  border-top: 1px solid #e2e8f0;
+}
 </style>