const filterPermissionRoutes = (routes, cb) => {// 可能父路由没有设置requireOps 需要根据子路由确定父路由的requireOpsroutes.forEach(route => {if (route.children) {route.children = filterPermissionRoutes(route.children, cb)if (!route.meta.requireOps) {const hasNoPermission = route.children.some(child => child.meta.requireOps === null)// 如果子路由中存在不需要权限控制的路由，则跳过if (!hasNoPermission) {route.meta.requireOps = [].concat(...route.children.map(child => child.meta.requireOps))}}}})return cb(routes)
}

let operations = null // 从后端获取后更新它
const hasOp = opcode => operations? operations.some(op => op.opcode === opcode): falseconst proutes = filterPermissionRoutes(permissionRoutes, routes => routes.filter(route => {const requireOps = route.meta.requireOpsif (requireOps) {return requireOps.some(hasOp)}return true
}))// 动态添加路由
router.addRoutes(proutes)

const AccessControl = {functional: true,render (h, { data, children }) {const attrs = data.attrs || {}// 如果是root，直接透传if (attrs.root !== undefined) {return h(attrs.root || 'div', data, children)}if (!attrs.opcode) {return h('span', {style: {color: 'red',fontSize: '30px'}}, '请配置操作码')}const opcodes = attrs.opcode.split(',')if (opcodes.some(hasOp)) {return children}return null}
}

// 权限菜单组件
export const PermissionMenuTree = {name: 'MenuTree',props: {routes: {type: Array,required: true},collapse: Boolean},render (h) {const createMenuTree = (routes, parentPath = '') => routes.map(route => {// hidden: 为true时当前菜单和子菜单都不显示if (route.hidden === true) {return null}// 子路径处理const fullPath = route.path.charAt(0) === '/' ? route.path : `${parentPath}/${route.path}`// visible: 为false时不显示当前菜单，但显示子菜单if (route.visible === false) {return createMenuTree(route.children, fullPath)}const title = route.meta.titleconst props = {index: fullPath,key: route.path}if (!route.children || route.children.length === 0) {return h('el-menu-item',{ props },[h('span', title)])}return h('el-submenu',{ props },[h('span', { slot: 'title' }, title),...createMenuTree(route.children, fullPath)])})return h('el-menu',{props: {collapse: this.collapse,router: true,defaultActive: this.$route.path}},createMenuTree(this.routes))}
}

const ajax = axios.create(/* config */)export default {post (url, data, opcode, config = {}) {if (opcode && !hasOp(opcode)) {return Promise.reject(new Error('没有操作权限'))}return ajax.post(url, data, { /* config */ ...config }).then(({ data }) => data)},// ...
}