[已实现] iview-admin动态加载路由修改方法 · Issue #1158 · iview/iview-admin · GitHub

export const getUserMenus = req => {
  return [
    // 粘贴到这里就可以了
    // 需要把所有的component: () => import('@/view/**/*.vue')
    // 修改为component: 'view/**/*.vue'
    // 注意main和parent-view
    {
      path: '',
      name: 'doc',
      meta: {
        title: '文档',
        href: 'https://lison16.github.io/iview-admin-doc/#/',
        icon: 'ios-book'
      }
    },
    {
      path: '/multilevel',
      name: 'multilevel',
      meta: {
        icon: 'md-menu',
        title: '多级菜单'
      },
      component: 'components/main',
      children: [
        {
          path: 'level_2_1',
          name: 'level_2_1',
          meta: {
            icon: 'md-funnel',
            title: '二级-1'
          },
          component: 'view/multilevel/level-2-1.vue'
        },
        {
          path: 'level_2_2',
          name: 'level_2_2',
          meta: {
            access: ['super_admin'],
            icon: 'md-funnel',
            showAlways: true,
            title: '二级-2'
          },
          component: 'components/parent-view',
          children: [
            {
              path: 'level_2_2_1',
              name: 'level_2_2_1',
              meta: {
                icon: 'md-funnel',
                title: '三级'
              },
              component: 'view/multilevel/level-2-2/level-3-1.vue'
            }
          ]
        },
        {
          path: 'level_2_3',
          name: 'level_2_3',
          meta: {
            icon: 'md-funnel',
            title: '二级-3'
          },
          component: 'view/multilevel/level-2-3.vue'
        }
      ]
    }
  ]
}

Mock.mock(/\/get_user_menus/, getUserMenus)

export const listUserMenus = () => {
  return axios.request({
    url: 'get_user_menus',
    method: 'get'
  })
}

/**
 * @description 将后端菜单树转换为路由树
 * @param {Array} menus
 * @returns {Array}
 */
export const backendMenusToRouters = (menus) => {
  let routers = []
  forEach(menus, (menu) => {
    // 将后端数据转换成路由数据
    let route = backendMenuToRoute(menu)
    // 如果后端数据有下级，则递归处理下级
    if (menu.children && menu.children.length !== 0) {
      route.children = backendMenusToRouters(menu.children)
    }
    routers.push(route)
  })
  return routers
}

/**
 * @description 将后端菜单转换为路由
 * @param {Object} menu
 * @returns {Object}
 */
const backendMenuToRoute = (menu) => {
  // 具体内容根据自己的数据结构来定，这里需要注意的一点是
  // 原先routers写法是component: () => import('@/view/error-page/404.vue')
  // 经过json数据转换，这里会丢失，所以需要按照上面提过的做转换，下面只写了核心点，其他自行处理
  let route = Object.assign({}, menu)
  route.component = () => import(`@/${menu.component}`)
  return route
}

export default {
  state: {
    routers: [],
    hasGetRouter: false
  },
  getters: {
    menuList: (state) => (state, getters, rootState) => getMenuByRouter(state.routers, rootState.user.access),
  },
  mutations: {
    setRouters (state, routers) {
      state.routers = routers
    },
    setHasGetRouter (state, status) {
      state.hasGetRouter = status
    }
  },
  actions: {
    getRouters ({ commit }) {
      return new Promise((resolve, reject) => {
        try {
          listUserMenus().then(res => {
            let routers = backendMenusToRouters(res.data)
            commit('setRouters', routers)
            commit('setHasGetRouter', true)
            resolve(routers)
          }).catch(err => {
            reject(err)
          })
        } catch (error) {
          reject(error)
        }
      })
    }
  }
}

const turnTo = (to, access, next) => {
  if (canTurnTo(to.name, access, store.state.app.routers.concat(routes))) next() // 有权限，可访问
  else next({ replace: true, name: 'error_401' }) // 无权限，重定向到401页面
}


// 修改这部分代码
if (store.state.user.hasGetInfo && store.state.app.hasGetRouter) {
  turnTo(to, store.state.user.access, next)
} else {
  // 加载用户信息
  store.dispatch('getUserInfo').then(user => {
    // 加载用户菜单
    store.dispatch('getRouters').then(routers => {
      // commonRoutes需要追加到路由解析最后的404，把原先的routers.js中的404删掉即可
      router.addRoutes(routers.concat([
        {
          path: '*',
          name: 'error_404',
          meta: {
            hideInMenu: true
          },
          component: () => import('@/view/error-page/404.vue')
        }
      ]))
      next({ ...to })
    })
  }).catch(() => {
    setToken('')
    next({ name: 'login' })
  })
}

logout () {
  this.handleLogOut().then(() => {
    window.location = '/login'
  })