feat: uniapp 读取分类页设置配置(缓存+默认值兜底)

utils/categoryPageSetting.js

@@ -0,0 +1,62 @@
+export const DEFAULT_CATEGORY_PAGE_SETTING = {
+  template: 1,
+  showFields: {
+    subTitle: true,
+    spec: true,
+    tags: true,
+    selfTag: true,
+    price: true,
+    linePrice: true,
+    sales: true,
+    cart: true,
+  },
+};
+
+const STORAGE_KEY = "category_page_setting";
+const EXPIRATION_KEY = "category_page_setting_expiration_time";
+
+/**
+ * 归一化分类页设置。入参为 buyer 接口 result(Setting 实体或 null),
+ * null / 解析失败 / 缺键 / template 非 1-4 一律回退默认值。
+ */
+export function normalizeCategoryPageSetting(setting = null) {
+  const fallback = () => JSON.parse(JSON.stringify(DEFAULT_CATEGORY_PAGE_SETTING));
+  if (!setting || !setting.settingValue) return fallback();
+  let raw;
+  try {
+    raw = JSON.parse(setting.settingValue);
+  } catch {
+    return fallback();
+  }
+  if (!raw || typeof raw !== "object") return fallback();
+  const result = fallback();
+  if ([1, 2, 3, 4].includes(raw.template)) {
+    result.template = raw.template;
+  }
+  if (raw.showFields && typeof raw.showFields === "object") {
+    for (const key of Object.keys(result.showFields)) {
+      if (typeof raw.showFields[key] === "boolean") {
+        result.showFields[key] = raw.showFields[key];
+      }
+    }
+  }
+  return result;
+}
+
+export function cacheCategoryPageSetting(data) {
+  const expirationTime = new Date().setHours(new Date().getHours() + 1);
+  uni.setStorageSync(EXPIRATION_KEY, expirationTime);
+  uni.setStorageSync(STORAGE_KEY, data);
+}
+
+export function loadCachedCategoryPageSetting() {
+  const expirationTime = uni.getStorageSync(EXPIRATION_KEY);
+  const cacheValid =
+    expirationTime && new Date() <= new Date(Number(expirationTime));
+  if (!cacheValid) return null;
+  try {
+    return uni.getStorageSync(STORAGE_KEY) || null;
+  } catch {
+    return null;
+  }
+}