本地备份：主包优化前完整版本，可随时回退

Co-authored-by: Cursor <cursoragent@cursor.com>

utils/display-config.js

@@ -0,0 +1,42 @@
+/**
+ * 按俱乐部拉取公告/轮播（必须带 X-Club-Id，否则会落到默认 xq）
+ */
+import { buildClubHeaders, getClubId } from './club-context';
+
+export function isGonggaoCacheValid(app) {
+  const g = app.globalData || {};
+  const cid = getClubId(app);
+  return g._gonggaoClubId === cid && (g.shangpingonggao || (g.shangpinlunbo && g.shangpinlunbo.length));
+}
+
+export function applyGonggaoToGlobal(app, data) {
+  if (!data) return;
+  const g = app.globalData;
+  g.shangpingonggao = data.shangpingonggao || '';
+  g.shangpinlunbo = data.shangpinlunbo || [];
+  g._gonggaoClubId = getClubId(app);
+}
+
+export function fetchGonggaoLunbo(app, pageKey = 'order_pool') {
+  const apiBase = app.globalData && app.globalData.apiBaseUrl;
+  if (!apiBase) {
+    return Promise.resolve(null);
+  }
+  return new Promise((resolve, reject) => {
+    wx.request({
+      url: `${apiBase}/peizhi/shangpingonggao/`,
+      method: 'POST',
+      header: buildClubHeaders({ 'content-type': 'application/json' }),
+      data: { page_key: pageKey },
+      success: (res) => {
+        if (res.statusCode === 200 && res.data) {
+          applyGonggaoToGlobal(app, res.data);
+          resolve(res.data);
+        } else {
+          reject(new Error('shangpingonggao 请求失败'));
+        }
+      },
+      fail: reject,
+    });
+  });
+}