Fetch封装

import { loading } from '@/methods/talk'
import { Toast } from 'vant'
export const json = (response) => response.json()
export const status = (response) => {
  if (response.status >= 200 && response.status < 300) {
    return response
  }
  loading(false)
  setTimeout(() => {
    Toast('网络错误')
  })
  throw new Error(response.statusText)
}

export const analy = (response) => Promise.resolve(response).then(status).then(json)
// export const analy = (response) => Promise.resolve(response).then(status).then(json).then(resultAny)

/*
* 解析返回的code, 第一层分析
*/
export const resultAny = (datas) => {
  if (datas.resultCode === '00000' || datas.resultCode === '000000') {
    return datas ? (datas.resultData ? datas.resultData : datas) : {}
  } else {
    if (datas.resultMsg) {
      setTimeout(() => {
        Toast(datas.resultMsg)
      })
    }
    return undefined
  }
}

/*
* post method
*/
export const postModel = (params) => {
  return {
    method: 'post', // or 'PUT'
    credentials: 'include',
    body: JSON.stringify(params), // data can be `string` or {object}!
    headers: {
      Accept: 'application/json',
      'Content-Type': 'application/json'
    }
  }
}

/*
* get method
*/
export const getModel = () => {
  return {
    method: 'get', // or 'PUT'
    credentials: 'include',
    headers: {
      Accept: 'application/json',
      'Content-Type': 'application/json'
    }
  }
}

export const post = async (api, params) => {
  const body = postModel(params)
  const result = await fetch(api, body).then(analy)
  return result
}

export const get = async (api) => {
  const body = getModel()
  const result = await fetch(api, body).then(analy)
  return result
}