axios 取消请求

import axios from 'axios'
import { showToast } from 'vant'
import tools from '@/tools'


const $http = axios.create({
  baseURL: baseURL,
  timeout: 1000 * 60, //60秒超时
  headers: {
    'X-Requested-With': 'XMLHttpRequest'
  }
});
//取消请求
const CancelToken = axios.CancelToken;
const CancelObj = {};

$http.interceptors.request.use(async config => {
  let u = config.url.split('/').pop();
  CancelObj[u] = CancelToken.source();
  config.cancelToken = CancelObj[u].token;　　
  if (config.sleep) {

　　//如果接口返回很快，最好延时一点时间发送请求，否则来不及取消
    await tools.sleep(config.sleep);
  }
  return config;
}, error => {
  if (error && error.response) {
    switchStatus(error.response.status);
  }
  return Promise.reject(error);
});

// 添加响应拦截器
$http.interceptors.response.use(response => {
  let u = response.config.url.split('/').pop();
  delete CancelObj[u];
  const res = response.data;
  if (res.code !== 0) {
      showToast(res.message || '未知错误')
    return Promise.reject(res)
  } else {
    return Promise.resolve(res)
  }
}, error => {
  return Promise.reject(error);
});


export const http = $http;

export default {
  post: (url, params = {}, config = {}) => $http.post(url, params, config),
  get: (url, params = {}, config = {}) => $http.get(url, { params: params }, config),
  all: (sends) => axios.all(sends),
  spread: (reses) => axios.spread(reses),
  cancel: (url) => {
    CancelObj[url]?.cancel('取消请求')
  }
}

sleep: (ms) => {
    return new Promise((resolve) => setTimeout(resolve, ms));
  },