封装fetch async awit

function checkStatus(response) {
 
  if (response.status >= 200 && response.status < 300) {
    return response;
  }

  const error = new Error(response.statusText);
  error.response = response;
  throw error;
}

function parseJSON(response) {
  return response.json();
}

function request(url,option) {
  return fetch(url, option)
  .then(checkStatus)
  .then(parseJSON)
  .catch((err)=>{console.log(err, `请求${url}报错`)})
  // .then((res) => checkResponse(res, options))
  // .catch(err => handleError(err, options));
}

function stringify(obj = {}) {
  return Object.keys(obj)
    .filter(k => obj[k] || +obj[k] === 0)
    .map(k => {
      let value = obj[k];
      if (typeof value == 'object') {
        value = encodeURIComponent(JSON.stringify(value));
      } else {
        value = encodeURIComponent(value);
      }
      return encodeURIComponent(k) + '=' + value;
    })
    .join('&');
}

//抛出post方式的请求

export function  post(url, params={}){
  return request(url, {
    method: 'POST',
    // credentials: 'same-origin',
    mode:"no-cors",
    headers: {
      'Accept': 'application/json',
      'Content-Type': 'application/json'
    },
    body: stringify(params)
  });
}

//抛出get方式的请求

export  function get(url, params={}){
  return request(`${url}?${stringify(params)}`, {
    method: 'GET',
    // credentials: 'same-origin',
    mode:"no-cors",
  });
}

//定义普通的请求
export function getApplyPay(data){
  return post('https://sla.console.aliyun.com/coupon_apply/apply.json',data)
}

//定义async awit方式的请求
 export async function getInstanceDetail(data, options) {
   return await get('/instance_info/list.json', data, {ignoreError: true});
 }