request.js
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/**
* 此文件主要创建 axios 实例,然后添加请求拦截器和响应拦截器
*/
import axios from "axios";
import { Message } from "element-ui";
import { endLoadingSubCount } from "./requestLoading";
import router from "../router";
// create an axios instance
const service = axios.create({
baseURL: process.env.VUE_APP_BASE_API,
withCredentials: true, //是否允许跨域
headers: {
"Content-Type": "application/json; charset=utf-8",
},
timeout: 15000,
});
// request interceptor
service.interceptors.request.use(
(config) => {
//调用登录接口时无token,也不需要传token,其他接口都传入token
config.headers.Authorization = sessionStorage.getItem("token") || "";
config.headers.Accept = "application/json";
return config;
},
(error) => {
Message.error("请求超时!");
return Promise.reject(error);
}
);
// response interceptor
service.interceptors.response.use(
(response) => {
/**
* 对响应数据判断:
* 如果成功返回数据,就通过return把数据返出去
* 如果请求不成功,就在拦截器这里统一处理(组件的代码就不用关注错误的情况了)
*/
if (response.status == 200) {
return response.data;
} else {
// 对响应错误做点什么
Message({
message: "请求失败",
type: "error",
duration: 5 * 1000,
});
}
return response;
},
(error) => {
handleErrorData(error.response.status);
endLoadingSubCount();
return Promise.reject(error);
}
);
//对错误信息的处理函数
function handleErrorData(status) {
switch (status) {
case 401:
Message.error("由于长时间未操作,请重新登录!");
router.replace({
path: "/login/jg",
query: {
redirect: router.history.current.fullPath,
},
});
break;
case 403:
Message.error("拒绝访问");
break;
case 404:
Message.error("很抱歉,资源未找到!");
break;
case 500:
Message.error("服务器错误!");
break;
default:
Message.error("服务正在联调中,请稍后!");
break;
}
}
export default service;