this.$axios({
   method:'',
   url:'',
   headers: {
     'Content-Type': 'application/json',//设置请求头请求格式为JSON
     'access_token': this.token //设置token 其中K名要和后端协调好
   },
   params:{}
}).then((response)=>{})

axios.get(urlString, 
  {
    headers: {
      'Authorization': 'Bearer ' + token,
      "Cookie" : 'sessionId=' + sessionId + '; recId=' + recId,
      ...
    },
    params: {
      param1: string,
      param2: string
    },
    ...
  }
)
.then(res => fn)
.catch(e => fn)

axios.post(urlString, 
  {
    data: data,
    ...
  },
  {
    headers: {
      'Authorization': 'Bearer ' + token,
      "Cookie" : 'sessionId=' + sessionId + '; recId=' + recId,
      ...
    }
  }
)
.then(res => fn)
.catch(e => fn)