post网络请求

import axios from 'axios'
import {ElMessage, ElLoading} from "element-plus"
import { nextTick } from "vue"
import JSONbig from 'json-bigint'
import { userToken } from "@/constants/Constant.js";const defaultConfig = {baseURL: import.meta.env.VITE_BASE_URL,timeout: 2 * 60 * 1000,headers: {Accept: "application/json","Content-Type": "application/json"},transitional: {forcedJSONParsing: false},transformResponse: (data) => {try {return JSONbig.parse(data)} catch (err) {return data}}
};const instance = axios.create({...defaultConfig,
})instance.interceptors.request.use((config) => {// 实时动态设置登陆用户tokenconfig.headers.Authorization = userToken();return config;
});export async function postReq(path, param, config, success, fail) {return await instance.post(path,param || {},config,).then(success, fail)
}/*** * @param {*} callback 只返回成功后的数据*/
export function basePostReq(path, param, callback) {sendPostReq(path, param, null, true, true, true, callback)
}/*** * @param {*} isShowLoading 是否显示loading* @param {*} isShowError 是否显示报错* @param {*} isOnlyData 是否只返回有用的数据* @param {*} callback 只返回成功后的数据*/
export function sendPostReq(path, param, config, isShowLoading, isShowError, isOnlyData, callback) {var loading = nullif (isShowLoading) {loading = ElLoading.service({lock: true,text: '请稍等...',  background: 'rgba(0, 0, 0, 0.7)'})}postReq(path, param, config, (res)=> {if (loading) {nextTick(() => {loading.close()})}if (res.data instanceof Blob) {if (res.data.type == 'application/json') {const reader = new FileReader()reader.readAsText(res.data, 'utf-8')reader.onload = function() {try {const blobData = JSON.parse(reader.result)if (!blobData.code || blobData.code != 200) {if (isShowError) {ElMessage({showClose: true,message: blobData.message || '请求失败',duration: 0,type: 'error'})}return}if (isOnlyData && blobData) {if (callback) {callback(blobData.data)}} else {if (callback) {callback(blobData)}}} catch (e) {ElMessage({showClose: true,message: "json解析失败：" + e.toString(),duration: 0,type: 'error'})}}} else {if (callback) {callback(res.data)}}return}if (!res.data.code || res.data.code != 200) {if (isShowError) {ElMessage({showClose: true,message: res.data.message || '请求失败',duration: 0,type: 'error'})}return}if (isOnlyData && res.data) {if (callback) {callback(res.data.data)}} else {if (callback) {callback(res.data)}}}, (err)=> {if (loading) {nextTick(() => {loading.close()})}ElMessage({showClose: true,message: err.code +', ' + err.message,duration: 0,type: 'error'})})
}