296 lines
7.1 KiB
TypeScript
296 lines
7.1 KiB
TypeScript
/**
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* @description 动态路由生成器
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* @author yslg
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* @since 2025-10-07
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*/
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import type { RouteRecordRaw } from 'vue-router';
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import type { SysMenu } from '@/types';
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import { MenuType } from '@/types/enums';
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/**
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* 布局组件映射
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*/
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const LAYOUT_MAP: Record<string, () => Promise<any>> = {
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// 基础布局
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'BasicLayout': () => import('@/layouts/BasicLayout.vue'),
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// 空白布局
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'BlankLayout': () => import('@/layouts/BlankLayout.vue'),
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// 页面布局
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'PageLayout': () => import('@/layouts/PageLayout.vue'),
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};
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/**
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* 根据菜单生成路由配置
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* @param menus 用户菜单列表
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* @returns Vue Router路由配置数组
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*/
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export function generateRoutes(menus: SysMenu[]): RouteRecordRaw[] {
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if (!menus || menus.length === 0) {
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return [];
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}
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const routes: RouteRecordRaw[] = [];
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// 构建菜单树
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const menuTree = buildMenuTree(menus);
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// 生成路由
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menuTree.forEach(menu => {
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const route = generateRouteFromMenu(menu);
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if (route) {
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routes.push(route);
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}
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});
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return routes;
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}
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/**
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* 根据单个菜单生成路由
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* @param menu 菜单对象
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* @returns 路由配置
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*/
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function generateRouteFromMenu(menu: SysMenu): RouteRecordRaw | null {
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// 只处理目录和菜单类型，忽略按钮类型
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if (menu.type === MenuType.BUTTON) {
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return null;
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}
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const route: any = {
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path: menu.url || `/${menu.menuID}`,
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name: menu.menuID,
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meta: {
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title: menu.name,
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icon: menu.icon,
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menuId: menu.menuID,
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parentId: menu.parentID,
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orderNum: menu.orderNum,
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type: menu.type,
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hideInMenu: false,
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requiresAuth: true,
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}
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};
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// 根据菜单类型处理组件
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if (menu.type === MenuType.DIRECTORY) {
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// 目录类型 - 使用布局组件
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route.component = getComponent(menu.component || 'BasicLayout');
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// 处理子菜单
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if (menu.children && menu.children.length > 0) {
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route.children = [];
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menu.children.forEach(child => {
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const childRoute = generateRouteFromMenu(child);
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if (childRoute) {
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route.children!.push(childRoute);
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}
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});
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} else {
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// 如果是目录但没有子菜单，设置重定向
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route.redirect = route.path + '/index';
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}
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} else if (menu.type === MenuType.MENU) {
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// 菜单类型 - 使用页面组件
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if (!menu.component) {
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console.warn(`菜单 ${menu.name} 缺少component字段`);
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return null;
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}
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route.component = getComponent(menu.component);
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}
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return route;
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}
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/**
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* 根据组件名称获取组件
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* @param componentName 组件名称/路径
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* @returns 组件异步加载函数
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*/
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function getComponent(componentName: string) {
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// 检查是否是布局组件
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if (LAYOUT_MAP[componentName]) {
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return LAYOUT_MAP[componentName];
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}
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// 处理页面组件路径
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let componentPath = componentName;
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// 如果不是以@/开头的完整路径，则添加@/views/前缀
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if (!componentPath.startsWith('@/')) {
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// 如果不是以/开头，添加/
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if (!componentPath.startsWith('/')) {
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componentPath = '/' + componentPath;
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}
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componentPath = '@/views' + componentPath;
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}
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// 如果没有.vue扩展名，添加它
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if (!componentPath.endsWith('.vue')) {
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componentPath += '.vue';
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}
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// 动态导入组件
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return () => import(/* @vite-ignore */ componentPath).catch((error) => {
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console.warn(`组件加载失败: ${componentPath}`, error);
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// 返回404组件或空组件
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return import('@/views/error/404.vue').catch(() =>
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Promise.resolve({
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template: `<div class="component-error">
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<h3>组件加载失败</h3>
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<p>无法加载组件: ${componentPath}</p>
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<p>错误: ${error.message}</p>
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</div>`,
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style: `
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.component-error {
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padding: 20px;
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text-align: center;
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color: #f56565;
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background: #fed7d7;
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border-radius: 4px;
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}
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`
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})
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);
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});
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}
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/**
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* 构建菜单树结构
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* @param menus 菜单列表
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* @returns 菜单树
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*/
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function buildMenuTree(menus: SysMenu[]): SysMenu[] {
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if (!menus || menus.length === 0) {
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return [];
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}
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const menuMap = new Map<string, SysMenu>();
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const rootMenus: SysMenu[] = [];
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// 创建菜单映射
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menus.forEach(menu => {
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if (menu.menuID) {
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menuMap.set(menu.menuID, { ...menu, children: [] });
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}
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});
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// 构建树结构
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menus.forEach(menu => {
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const menuNode = menuMap.get(menu.menuID!);
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if (!menuNode) return;
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if (!menu.parentID || menu.parentID === '0') {
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// 根菜单
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rootMenus.push(menuNode);
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} else {
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// 子菜单
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const parent = menuMap.get(menu.parentID);
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if (parent) {
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parent.children = parent.children || [];
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parent.children.push(menuNode);
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}
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}
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});
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// 按orderNum排序
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const sortMenus = (menus: SysMenu[]): SysMenu[] => {
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return menus
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.sort((a, b) => (a.orderNum || 0) - (b.orderNum || 0))
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.map(menu => ({
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...menu,
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children: menu.children ? sortMenus(menu.children) : []
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}));
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};
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return sortMenus(rootMenus);
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}
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/**
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* 根据权限过滤菜单
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* @param menus 菜单列表
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* @param permissions 用户权限列表
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* @returns 过滤后的菜单列表
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*/
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export function filterMenusByPermissions(
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menus: SysMenu[],
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permissions: string[]
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): SysMenu[] {
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if (!menus || menus.length === 0) {
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return [];
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}
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return menus
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.filter(() => {
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// 如果菜单没有设置权限要求，则默认显示
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// 这里可以根据实际业务需求调整权限检查逻辑
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return true; // 暂时返回true，后续可以根据菜单的权限字段进行过滤
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})
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.map(menu => {
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if (menu.children && menu.children.length > 0) {
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return {
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...menu,
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children: filterMenusByPermissions(menu.children, permissions)
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};
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}
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return menu;
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});
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}
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/**
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* 查找路由路径对应的菜单
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* @param menus 菜单树
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* @param path 路由路径
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* @returns 匹配的菜单
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*/
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export function findMenuByPath(menus: SysMenu[], path: string): SysMenu | null {
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for (const menu of menus) {
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if (menu.url === path) {
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return menu;
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}
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if (menu.children && menu.children.length > 0) {
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const found = findMenuByPath(menu.children, path);
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if (found) {
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return found;
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}
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}
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}
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return null;
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}
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/**
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* 获取菜单路径数组（面包屑导航用）
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* @param menus 菜单树
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* @param targetMenuId 目标菜单ID
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* @returns 菜单路径数组
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*/
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export function getMenuPath(menus: SysMenu[], targetMenuId: string): SysMenu[] {
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const path: SysMenu[] = [];
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function findPath(menuList: SysMenu[]): boolean {
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for (const menu of menuList) {
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path.push(menu);
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if (menu.menuID === targetMenuId) {
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return true;
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}
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if (menu.children && menu.children.length > 0) {
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if (findPath(menu.children)) {
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return true;
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}
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}
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path.pop();
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}
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return false;
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}
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findPath(menus);
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return path;
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}
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