RuoYi-App/plugins/index.js

import tab from './tab'
import auth from './auth'
import modal from './modal'

export function install(app) {
  // 页签操作
  app.config.globalProperties.$tab = tab
  // 认证对象
  app.config.globalProperties.$auth = auth
  // 模态框对象
  app.config.globalProperties.$modal = modal
}