axios挂在vue上

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import axios from 'axios'
Vue.prototype.$http = axios

在vue文件中使用

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this.$http.get('http://www.baidu.com')
  .then((res) => {
  })

axios 请求携带头部

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import axios from 'axios';
import { getToken } from '@/utils/auth'
const service = axios.create();
service.defaults.timeout = 5000;
service.defaults.baseURL = 'http://127.0.0.1:8080'
service.interceptors.request.use(
  config => {
    let token = getToken()
     if (token) {
       config.headers.Authorization = token
     }
    return config
  },
  error => {
    return Promise.reject(error)
  }
);
service.interceptors.response.use(
  response => {
    return response
  },
  error => {
    return Promise.resolve(error.response)
  }
)
export default service