微信端，登陆小逻辑

import Vue from ‘vue‘
import router from ‘../router‘;
import urlUtils from ‘../utils/urlutils‘
import { updateAxiosC, updateAxiosB, queryAxiosC, queryAxiosB} from ‘../axios‘;

/**
 * @param {*} code 
 */
function getOpenId( code ) {
  return queryAxiosB.get(`/wechat/getOpenIdByCode/${code}`).then(resp => {
    if( resp.data.retCode === ‘0000‘ ){
      const data = resp.data.retData[0];
      if (data.openId) {
        for(let key in data){
          Vue.prototype[key] = data[key];
        }
        return { msg: ‘获取openId成功‘,status: true };
      }
      return Promise.reject(‘无效code‘);
    }
    return { msg: ‘后台接口异常‘,status: true };
  });
}

function getCode() {
  const code = urlUtils.getSearchParam(‘code‘);
  return code;
}
function getShopUserId( openId ) {
  return queryAxiosB.get(`/wechat/getShopAccountByOpenId/${openId}`);
}
function getQrCode( qrcode ) {
  const qrCode = urlUtils.getSearchParam(‘qr‘);
  Vue.prototype.qrCode = qrCode;
  return qrCode;
}
function isBind( qrCode ) {
  return queryAxiosB.get(`/myQrcodeTApi/checkBindQrCode/${qrCode}`).then(resp => {
    const status = resp.data.retData[0].status;
    if(status !== ‘02‘){
      return true;
    } else {
      return Promise.reject();
    }
  });
}

function hashReceiptCount() {
  return new Promise((resolve, reject) => {
    if(Vue.prototype.shopAccountFlag === ‘1‘){
      resolve();
    } else {
      reject();
    }
  });
}

function openIdIsBind() {
  return new Promise((resolve, reject) => {
    if(Vue.prototype.shopUserId){
      resolve();
    } else {
      reject();
    }
  });
}
function toCPage() {
  const customerUserId = localStorage.getItem(‘customerUserId‘);
  const token = localStorage.getItem(‘token‘);
  const customerLoginPhone = localStorage.getItem(‘customerLoginPhone‘);
  if (customerUserId&&token&&customerLoginPhone) {
    Vue.prototype.customerUserId = customerUserId;
    Vue.prototype.token = token;
    Vue.prototype.customerLoginPhone = customerLoginPhone;
  } else {
    location.hash = ‘/c/navigate‘;
  }
}
function fromOther() {
  const qrCode = getQrCode();
  return new Promise((resolve, reject) => {
    if (qrCode) {
      isBind(qrCode).then(data => {
        toCPage();
        resolve();
      }).catch(error => {
        location.hash = ‘/b/shoplogin‘;
        resolve();
      });
    } else {
      toCPage();
      resolve();
    }
  });
}

function fromWeChat(){
  return openIdIsBind().then(_ => {
    return hashReceiptCount().catch(_ => {
      location.hash = ‘/b/gatheredCards‘;
    });
  }).catch(_ => {
    Vue.prototype.curRoute = location.hash.slice(1);
    location.hash = ‘/b/shoplogin‘;
  });
}

function preload() {
  const code = getCode();
  if (code) {
    return getOpenId(code).then(info => {
      console.info(info.msg);
      return fromWeChat();
    }).catch(error => {
      console.error(error);
      return fromOther();
    });
  } else {
    return fromOther();
  }
}

export default preload;

function getHashParam(name) {
  const reg = new RegExp(‘[\\?&]‘ + name + ‘=(\\w+)‘);
  const hash = location.hash;
  if(reg.test(hash)){
    return RegExp.$1;
  }
  return null;
}

function getSearchParam(name) {
  const reg = new RegExp(‘[\\?&]‘ + name + ‘=(\\w+)‘);
  const search = location.search;
  if(reg.test(search)){
    console.log(RegExp.$1);
    return RegExp.$1;
  }
  return null;
}

export default {
  getHashParam,
  getSearchParam
}

preLoad().then(_ => {
  /* eslint-disable no-new */
  new Vue({
    el: ‘#app‘,
    router,
    store,
    template: ‘<App/>‘,
    components: { App }
  });
});