request.js

import axios from "axios";
// axios.defaults.withCredentials = true;
axios.defaults.baseURL = "/api";
// axios.defaults.baseURL = "http://139.9.103.141:666";
import { useOpenNotification } from "@/hooks/myHooks"
const instance = axios.create({
	baseURL: "/api",
	withCredentials: true,
});
instance.interceptors.request.use(
	//请求之前  设置请求信息   请求拦截器
	function (config) {
		return config; //必须返回config
	},
	//请求前拦截器异常方法
	function () {
		return Promise.reject("请求失败");
	}
);
instance.interceptors.response.use(
	//响应码为200要执行的方法
	(response) => {
		response.aa = 123; //给响应的数据添加属性
		return response;
	},
	//处理响应码不是200的方法
	(error) => {
		useOpenNotification(error,false)
		return Promise.reject("响应失败");
	}
);
function fileChange(res,fileName) {
	let blob = new Blob([res.data], {type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8"}); //application/vnd.openxmlformats-officedocument.spreadsheetml.sheet这里表示xlsx类型
	let downloadElement = document.createElement("a");
	let href = window.URL.createObjectURL(blob); //创建下载的链接
	downloadElement.href = href;
	let nameArr = res.request.responseURL.split("/");
	let nameStr = nameArr[nameArr.length - 1];
	if(fileName!=null){
		downloadElement.download = decodeURIComponent(fileName); //下载后文件名
	}else {
		downloadElement.download = decodeURIComponent(nameStr); //下载后文件名
	}
	document.body.appendChild(downloadElement);
	downloadElement.click(); //点击下载
	document.body.removeChild(downloadElement); //下载完成移除元素
	window.URL.revokeObjectURL(href); //释放掉blob对象
}



const request = {
	get(url = "", params = {}, headers = {}, responseType = "json") {
		return instance({
			method: "GET",
			url,
			params,
			headers,
			responseType,
		});
	},
	post(url = "", data = {}, headers = {}) {
		return instance({
			method: "POST",
			url,
			data,
			headers,
		});
	},

	uploadFile(url = "", data) {
		return instance({
			headers: {
			    'Content-Type': 'multipart/form-data'
			},
			method: "POST",
			url,
			data,
		});
	},
	download(url) {
		return instance.get(url, {responseType: "blob"}).then((res) => {
			console.log(res);
			fileChange(res);
		});
	},
	downloadPost(url, data = {},fileName) {
		return instance.post(url, data, {responseType: "blob"}).then((res) => {
			console.log(res);
			fileChange(res,fileName);
		});
	},
};

export default request;