shares/utils/wxRequest.js

function wxPromisify(fn) {
  return function (obj = {}) {
      return new Promise((resolve, reject) => {
          obj.success = function (res) {
              //成功
              resolve(res)
          }
          obj.fail = function (res) {
              //失败
              reject(res)
          }
          fn(obj)
      })
  }
}
//无论promise对象最后状态如何都会执行
Promise.prototype.finally = function (callback) {
  let P = this.constructor;
  return this.then(
      value => P.resolve(callback()).then(() => value),
      reason => P.resolve(callback()).then(() => { throw reason })
  );
};
/**
* 微信请求get方法
* url
* data 以对象的格式传入
*/
function getRequest(url, data) {
  var getRequest = wxPromisify(wx.request)
  return getRequest({
      url: url,
      method: 'GET',
      data: data,
      header: {
          'Content-Type': 'application/json'
      }
  })
}

/**
* 微信请求post方法封装
* url
* data 以对象的格式传入
*/
function postRequest(url, data) {
  var postRequest = wxPromisify(wx.request)
  return postRequest({
      url: url,
      method: 'POST',
      data: data,
      header: {
          "content-type": "application/json"
      },
  })
}

module.exports = {
  postRequest: postRequest,
  getRequest: getRequest
}