feat: 首页跳转到分类页指定分类优化

miniprogram/utils/index.ts

@@ -75,3 +75,28 @@ export function parseMiniProgramUrl(input: string) {
 
     return { path: pathPart, query };
 }
+
+/** tabBar 无法用 switchTab 带 query：用 globalData 传一次性意图，避免 storage 磁盘同步读写 */
+export function stashPendingCategoryTabId(id: string) {
+    const trimmed = String(id ?? '').trim();
+    if (!trimmed) return;
+    try {
+        getApp<IAppOption>().globalData.pendingCategoryTabId = trimmed;
+    } catch {
+        /* ignore */
+    }
+}
+
+/** 若无待处理 id 则返回 null；返回后清空，避免残留在全局 */
+export function takePendingCategoryTabId(): string | null {
+    try {
+        const app = getApp<IAppOption>();
+        const raw = app.globalData.pendingCategoryTabId;
+        if (raw == null || String(raw).trim() === '') return null;
+        const v = String(raw).trim();
+        delete app.globalData.pendingCategoryTabId;
+        return v;
+    } catch {
+        return null;
+    }
+}