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request.js
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request.js
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import axios from "axios";
import { Message } from "element-ui";
import store from "@/store";
import router from "@/router/index";
import { tokenHead } from "@/settings";
import { getToken } from '@/utils/auth'
// create an axios instance
const service = axios.create({
// url = base url + request url
baseURL: "http://localhost:9090/management",
// send cookies when cross-domain requests
// withCredentials: true,
// request timeout
timeout: 30000,
});
// request interceptor
service.interceptors.request.use(
(config) => {
// do something before request is sent
const token = getToken();
// console.log("token ========== {}", token)
if (token) {
// let each request carry token
// ['X-Token'] is a custom headers key
// please modify it according to the actual situation
config.headers["Authorization"] = tokenHead + token;
}
return config;
},
(error) => {
// do something with request error
console.log(error); // for debug
return Promise.reject(error);
}
);
// response interceptor
service.interceptors.response.use(
(response) => {
const res = response.data;
// 如果不是200,则判定为一个错误
if (res.code !== 200) {
Message({
showClose: true,
message: res.message,
type: "error",
duration: 3 * 1000,
});
// 如果是401说明token无效,需要重新登陆,直接跳转到重新登录界面
if (res.code === 401) {
store.commit("RESET_STATE");
router.push("/login");
}
console.log("code : " + res.code)
console.log("message : " + res.message)
return Promise.reject(new Error(res.message || "Error"));
} else {
return res;
}
},
(error) => {
console.log("err: " + error); // for debug
Message({
message: error.message,
type: "error",
duration: 5 * 1000,
});
return Promise.reject(error);
}
);
// 专用于文件下载的function
export const downloadMethod = (url, filename, params = {}) => {
// const token = localStorage.getItem("token");
const token = getToken();
axios({
method: "GET",
url: url,
responseType: "blob",
// 此处可写一些关于请求的配置,比如携带token等
headers: {
Authorization: `${tokenHead}${token}`,
},
params: { ...params },
}).then((res) => {
const blob = new Blob([res.data]);
const url = window.URL.createObjectURL(blob);
const aLink = document.createElement("a");
aLink.style.display = "none";
aLink.href = url;
aLink.setAttribute("download", decodeURI(filename));
document.body.appendChild(aLink);
aLink.click();
document.body.removeChild(aLink);
window.URL.revokeObjectURL(url);
});
};
export default service;