微信小程序封装api接口

export default function wxRequest(url, params, method = "GET") {
  return new Promise(function (resolve, reject) {
    wx.showLoading({
	  title: '正在加载中'
	})
    wx.request({
      url,
      data: params,
      method: method ? method : "GET",
      header: {
        'content-type': 'application/json'
      },
      success: res => {
        wx.hideLoading()
        resolve(res)
      },
      fail: err=> {
        reject(err)
        wx.hideLoading()
        wx.showModal({
          title: '网络错误',
          content: '网络出错，请刷新重试',
          showCancel: false
        })
      }
    })
  })
}

import wxRequest from "../../utils/http.js";

  urlData: {
    key: '1111111111',
    wid: '11111111',
    sign: '1111111111',
    baseURL: 'https://php.com',
  },

const app = getApp();
 onLoad: function(options) {
    wxRequest(app.urlData.baseURL, {这里是传后台参数}, "POST").then(res => {
      if (res.data) {
        this.setData({
          menuList: res.data
        })
      }
    })
  },