Uncaught (in promise) TypeError: Cannot read property ‘protocol‘ of undefined
at isURLSameOrigin (isURLSameOrigin.js?3934:57)
at dispatchXhrRequest (xhr.js?b50d:109)
at new Promise (<anonymous>)
at xhrAdapter (xhr.js?b50d:12)
at dispatchRequest (dispatchRequest.js?5270:52)
import axios from ‘axios‘//引入
Vue.use(axios)//使用 正是这种使用方式导致的报错
import axios from ‘axios‘//引入
Vue.prototype.$http = axios //正确的使用
Vue引入axios报错TypeError Cannot read property protocol of undefined
原文：https://www.cnblogs.com/-xyk/p/14879040.html