feat: VIP模块

apps/web-antd/src/utils/vip.ts

@@ -0,0 +1,68 @@
+/**
+ * VIP 权限判断工具（前端口子）
+ * 当前从登录态 userInfo.vip 读取；后续可扩展为按 storeId 请求接口
+ */
+import { useUserStore } from '@vben/stores';
+
+export interface StoreVipInfo {
+  level_code?: string;
+  level_name?: string;
+  level_weight?: number;
+  badge_url?: string;
+  duration_type?: string;
+  duration_label?: string;
+  duration_badge_url?: string;
+  permissions?: string[];
+  expire_at?: number;
+  is_lifetime?: boolean;
+}
+
+/** 读取当前登录用户 VIP 信息 */
+export function getCurrentVip(): StoreVipInfo | null {
+  const userStore = useUserStore();
+  return ((userStore.userInfo as any)?.vip as StoreVipInfo) || null;
+}
+
+/** 是否拥有指定权限码 */
+export function hasVipPermission(code: string): boolean {
+  if (!code) return false;
+  const vip = getCurrentVip();
+  const list = vip?.permissions;
+  return Array.isArray(list) && list.includes(code);
+}
+
+/**
+ * 等级是否不低于目标（按 level_weight；若无 weight 则仅精确匹配编码时返回 true）
+ * 简化：仅当当前 level_code 与 minCode 相同，或 weight 足够时通过
+ */
+export function levelAtLeast(minCode: string): boolean {
+  const vip = getCurrentVip();
+  if (!vip?.level_code) return false;
+  if (vip.level_code === minCode) return true;
+  // 无完整等级表时，仅做字符串相等判断；业务侧应以后端 Gate 为准
+  const weight = Number(vip.level_weight ?? 0);
+  const minWeight = parseLevelWeight(minCode);
+  if (minWeight >= 0) {
+    return weight >= minWeight;
+  }
+  return false;
+}
+
+/** 粗略解析 V0-V11 / BLACK_GOLD / CUSTOM 权重 */
+function parseLevelWeight(code: string): number {
+  if (/^V\d+$/i.test(code)) {
+    return Number(code.slice(1));
+  }
+  if (code === 'BLACK_GOLD') return 12;
+  if (code === 'CUSTOM') return 13;
+  return -1;
+}
+
+/** 组合式：供组件调用 */
+export function useVipGate() {
+  return {
+    vip: getCurrentVip(),
+    hasVipPermission,
+    levelAtLeast,
+  };
+}