besure_web/src/permission.ts

import router from './router'
import type { RouteRecordRaw } from 'vue-router'
import { isRelogin } from '@/config/axios/service'
import { getAccessToken } from '@/utils/auth'
import { useTitle } from '@/hooks/web/useTitle'
import { useNProgress } from '@/hooks/web/useNProgress'
import { usePageLoading } from '@/hooks/web/usePageLoading'
import { useDictStoreWithOut } from '@/store/modules/dict'
import { useUserStoreWithOut } from '@/store/modules/user'
import { usePermissionStoreWithOut } from '@/store/modules/permission'

const { start, done } = useNProgress()

const { loadStart, loadDone } = usePageLoading()

const parseURL = (
  url: string | null | undefined
): { basePath: string; paramsObject: { [key: string]: string } } => {
  // 如果输入为 null 或 undefined，返回空字符串和空对象
  if (url == null) {
    return { basePath: '', paramsObject: {} }
  }

  // 找到问号 (?) 的位置，它之前是基础路径，之后是查询参数
  const questionMarkIndex = url.indexOf('?')
  let basePath = url
  const paramsObject: { [key: string]: string } = {}

  // 如果找到了问号，说明有查询参数
  if (questionMarkIndex !== -1) {
    // 获取 basePath
    basePath = url.substring(0, questionMarkIndex)

    // 从 URL 中获取查询字符串部分
    const queryString = url.substring(questionMarkIndex + 1)

    // 使用 URLSearchParams 遍历参数
    const searchParams = new URLSearchParams(queryString)
    searchParams.forEach((value, key) => {
      // 封装进 paramsObject 对象
      paramsObject[key] = value
    })
  }

  // 返回 basePath 和 paramsObject
  return { basePath, paramsObject }
}

const resolveChildPath = (parentPath: string, childPath: string) => {
  if (!childPath) return parentPath
  if (childPath.startsWith('/')) return childPath
  const p = parentPath.endsWith('/') ? parentPath.slice(0, -1) : parentPath
  return `${p}/${childPath}`.replace(/\/+/g, '/')
}

const resolveFirstMenuPath = (routes: any[], parentPath = ''): string | undefined => {
  for (const r of routes ?? []) {
    if (!r) continue
    if (typeof r?.path === 'string' && r.path.includes(':path(.*)*')) continue
    if (r?.meta?.hidden === true) continue

    if (typeof r.redirect === 'string' && r.redirect.trim()) {
      const redirect = r.redirect.trim()
      if (redirect !== '/') return redirect
    }

    const currentPath = parentPath ? resolveChildPath(parentPath, String(r.path ?? '')) : String(r.path ?? '')
    const childPath = resolveFirstMenuPath(r.children, currentPath)
    if (childPath) return childPath
    if (currentPath) return currentPath
  }
  return undefined
}

// 路由不重定向白名单
const whiteList = [
  '/login',
  '/social-login',
  '/auth-redirect',
  '/bind',
  '/register',
  '/oauthLogin/gitee'
]

// 路由加载前
router.beforeEach(async (to, from, next) => {
  start()
  loadStart()
  if (getAccessToken()) {
    if (to.path === '/login') {
      next({ path: '/' })
    } else {
      // 获取所有字典
      const dictStore = useDictStoreWithOut()
      const userStore = useUserStoreWithOut()
      const permissionStore = usePermissionStoreWithOut()
      if (!dictStore.getIsSetDict) {
        await dictStore.setDictMap()
      }
      if (!userStore.getIsSetUser) {
        isRelogin.show = true
        await userStore.setUserInfoAction()
        isRelogin.show = false
        // 后端过滤菜单
        await permissionStore.generateRoutes()
        permissionStore.getAddRouters.forEach((route) => {
          router.addRoute(route as unknown as RouteRecordRaw) // 动态添加可访问路由表
        })
        const redirectPath = from.query.redirect || to.path
        const redirect = decodeURIComponent(redirectPath as string)
        const { basePath, paramsObject: query } = parseURL(redirect)
        let targetPath = redirect
        let targetQuery = query
        if (basePath === '/' || basePath === '') {
          targetPath = resolveFirstMenuPath(permissionStore.addRouters) ?? '/empty'
          targetQuery = {}
        }
        const nextData = to.path === targetPath ? { ...to, replace: true } : { path: targetPath, query: targetQuery }
        next(nextData)
      } else {
        if (to.path === '/') {
          const firstMenuPath = resolveFirstMenuPath(permissionStore.addRouters) ?? '/empty'
          if (firstMenuPath === '/') {
            next()
          } else {
            next({ path: firstMenuPath, replace: true })
          }
          return
        }
        next()
      }
    }
  } else {
    if (whiteList.indexOf(to.path) !== -1) {
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
    }
  }
})

router.afterEach((to) => {
  useTitle(to?.meta?.title as string)
  done() // 结束Progress
  loadDone()
})