feat: 完成分类页开发

miniprogram/components3.0/nav-bar/nav-bar.ts

@@ -1,8 +1,11 @@
 import { NAV_INNER_PX } from '../../utils/navMetrics';
 
 const HOME_TAB_URL = '/pages/home/home';
+const HOME_ROUTE = 'pages/home/home';
+
 const TAB_BAR_ROUTES = new Set([
-    'pages/home/home',
+    HOME_ROUTE,
+    'pages/category/category',
     'pages/age/age',
     'pages/favorites/favorites',
     'pages/profile/profile',
@@ -17,7 +20,9 @@ Component({
     data: {
         statusBarHeight: 0,
         navBlockHeight: 0,
-        leftActionType: 'none',
+        leftActionType: 'none' as 'none' | 'back' | 'home' | 'brand',
+        /** 仅首页（Tab 根页）在 logo 旁展示「涂鸦丫」；其余主 Tab 只展示 logo */
+        showBrandName: false,
     },
     lifetimes: {
         attached() {
@@ -40,15 +45,19 @@ Component({
             const currentRoute = pages[pages.length - 1]?.route || '';
             const isTabBarPage = TAB_BAR_ROUTES.has(currentRoute);
 
-            let leftActionType: 'none' | 'back' | 'home' = 'none';
+            let leftActionType: 'none' | 'back' | 'home' | 'brand' = 'none';
+            const showBrandName = currentRoute === HOME_ROUTE;
 
             if (pages.length > 1) {
                 leftActionType = 'back';
             } else if (!isTabBarPage) {
                 leftActionType = 'home';
+            } else {
+                // 五个主 Tab 根页：仅展示品牌区（左 logo；首页另见 showBrandName）
+                leftActionType = 'brand';
             }
 
-            this.setData({ leftActionType });
+            this.setData({ leftActionType, showBrandName });
         },
 
         handleLeftAction() {