装置axios

npm install axios --save

创立http.js文件

import axios from "axios"/* 申请拦截器 */axios.interceptors.request.use(    config => {        /* 增加token */        let token = localstorage.getItem("token") || "";        if(token){            config.headers["token"] = token        }        return config;    },    error => {        return Promise.reject(error)    })export const http = (url,params,method='GET',type='json') =>{    /* 设置工夫随机数，解决申请缓存问题 */    let _t = new Date().getTime();    if(method == 'GET' || method == 'get'){        if(params){            params._t = _t        }else{            params={ _t }        }    }    /* 设置申请头 */    if (method === "POST") {        if (type == "json") {          //参数是json类型         axios.defaults.headers.post["Content-Type"] =         "application/json;charset=UTF-8";      } else {        //参数是字符串类型        axios.defaults.headers.post["Content-Type"] =          "application/x-www-form-urlencoded";        // params = Qs.stringify(params);      }    }        /* 发送申请 */    return new Promise((resolve,reject) => {        axios({            url,            method,            type,            data:method != "GET" ? params : null,            params:method == "GET" ? params : null        })            .then(result => {                /* 此处能够全局解决接口非凡状态码，比方token生效等 */                resolve(result.data)            })            .catch(error => {                reject(error)            })    })}/* await to js */export const to = promise => {    return promise.then(res => [null,res]).catch(error => [error])}

创立api.js文件，设置接口申请解决

import { http, to } from "./http";//  ---- 全局接口 -----export const ceshiList = params => {  return to(http("json/ceshi.json", params, "GET"));};

api应用

import { ceshiList } from "@/http/api.js";methods:{    async getList(){        let [err, res] = await ceshiList();        if (!err) {          if (res.result.code == 200) {            /* 接口申请正确处理 */            console.log(res);          }        }    }}

转化blob返回的数据

const render = new FileReader();render.onload = function(){    let jsonData = JSON.parse(render.result)}render.readAsText(data)