import axios from 'axios'
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import beforeSend from './modules/beforeSend.js'
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const parseThirdOptions = Symbol('parseThirdOptions');
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class CreateApi {
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constructor(store,ui,config,router){
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this.$store = store;
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this.$ui = ui;
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this.$config = config;
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this.$router = router;
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this.$loginPath = '/login'
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this.$noTokenMsg = 'Token丢失！';
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this.$invalidTokenMsg = '登录已超时，请重新登录！';
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axios.interceptors.request.use(config => {
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// Do something before request is sent
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return config;
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}, (error) => {
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return Promise.reject(this.$config.ajax.errMsg);
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});
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// Add a response interceptor
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axios.interceptors.response.use((response) => {
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if (response.status===200) {
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if (response.config.ajaxConfig.download) {
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return Promise.resolve(response.data);
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} else {
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if (response.data.success && response.status===200) {
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return Promise.resolve(response.data.data);
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} else {
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console.log('Ajax backstage Error, return: ',response.data)
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let eMsg = response.data.msg;
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if (!eMsg) eMsg = this.$config.ajax.errMsg;
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return Promise.reject(eMsg);
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}
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}
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} else {
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console.log('Ajax Error Code: '+response.status)
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return Promise.reject(this.$config.ajax.errMsg);
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}
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}, (error) => {
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let msg = '';
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if (typeof error === 'string') {
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console.log('error:',error)
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msg = error;
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} else {
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console.log('Ajax Error:',error)
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msg = this.$config.ajax.errMsg;
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}
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return Promise.reject(msg);
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});
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}
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getHeader(opts,isInside=false){
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if (!isInside) {
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opts = this[parseThirdOptions](opts)
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}
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return beforeSend.getHeader(opts,this.$store);
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}
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getUrl(method,opts,self=false){
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let res = method;
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if (!self) {
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opts = this[parseThirdOptions](opts)
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}
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res = this.$config.base.host[opts.host] + this.$config.ajax.block[opts.block] + res;
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return res;
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}
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/*
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内部方法，获取object对象类型
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*/
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getObjectType(obj){
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if (typeof obj !== 'object') {
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return null;
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} else {
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let objTypeStr = Object.prototype.toString.call(obj).toLowerCase().trim();
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objTypeStr = objTypeStr.substr(1,objTypeStr.length-2)
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let tempA = objTypeStr.split(" ");
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return tempA[1];
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}
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}
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/*
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内部方法，解析额外设置
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*/
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[parseThirdOptions](opts){
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const defaultOpts = {
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warn:true,
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host:'default',
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block:'default',
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needToken:true,
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warnType:'message'
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}
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let result = {...defaultOpts}
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if (opts) {
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if (typeof opts === 'string') {
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result.block = opts
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} else if (this.getObjectType(opts)==='object') {
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result = {...result,...opts}
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}
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}
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return result;
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}
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/*
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httpMethod: get post put dellete patch
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method:接口方法名
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params:传递给后端的数据（JSON）
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opts:接口调用方法额外设置
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paramsX：post put patch时，如果需要url后面带的其他参数，JSON格式
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*/
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base(httpMethod,method,params={},opts,paramsX){
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return new Promise((resolve, reject)=>{
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window.setTimeout(()=>{
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opts = this[parseThirdOptions](opts)
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let url = this.getUrl(method,opts,true);
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let ajaxOptions = {
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method:httpMethod,
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url:url
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}
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if (opts.download) {
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ajaxOptions.responseType = 'blob'
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}
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ajaxOptions.ajaxConfig = opts;
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if (httpMethod==='post'||httpMethod==='put'||httpMethod==='patch') {
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ajaxOptions.data = params;
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if (paramsX) ajaxOptions.params = paramsX;
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} else {
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ajaxOptions.params = {...params,...{timekey:new Date().getTime()}};
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}
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let headerRes = this.getHeader(opts,true);
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if (!headerRes.flag) {
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if (this.$router.currentRoute._value.path!==this.$loginPath) {
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this.$router.push(this.$loginPath)
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}
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this.$ui.ElMessage.error(this.$noTokenMsg)
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reject(this.$noTokenMsg)
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} else {
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ajaxOptions.headers = headerRes.data
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axios(ajaxOptions).then((d)=>{
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resolve(d)
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}).catch((err)=>{
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this.$ui.ElMessage.error(err)
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reject(err)
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})
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}
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})
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},500)
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}
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}
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CreateApi.prototype.get = function(method,params,opts,paramsX){
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return this.base('get',method,params,opts,paramsX)
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}
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CreateApi.prototype.post = function(method,params,opts,paramsX){
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return this.base('post',method,params,opts,paramsX)
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}
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CreateApi.prototype.put = function(method,params,opts,paramsX){
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return this.base('put',method,params,opts,paramsX)
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}
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CreateApi.prototype.delete = function(method,params,opts,paramsX){
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return this.base('delete',method,params,opts,paramsX)
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}
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CreateApi.prototype.downFile = function(method,params,opts,paramsX,type='get'){
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let newOpt = {}
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if (typeof opts === 'string') {
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newOpt.block = opts
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} else if (this.getObjectType(opts)==='object') {
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newOpt = {...opts}
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}
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newOpt.download = true;
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return this.base(type,method,params,newOpt,paramsX)
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}
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export default CreateApi
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