<button v-else type="primary" class="reserve-btn" open-type="getUserInfo" @getuserinfo="getuserinfo">预约挂号</button>

import store from '@/store'
const app = {
 apiUrl: 'https://hoxxxxxxxxop.com/', //请求的地址
 _getuserinfo(res,ppid) {
 var that = this
 var userinfoDetails = {}
 userinfoDetails = res.detail.userInfo
 uni.getUserInfo({
  provider: 'weixin',
  success: function () {
  uni.login({
  success:function(res){
   uni.showLoading({
   title: '登陆中...',
   mask: false
   });
   uni.request({
   url: that.apiUrl + 'small/id"headimgurl"));
    userinfoDetails = JSON.parse(JSON.stringify(userinfoDetails).replace(/gender/g, "sex"));
    userinfoDetails = JSON.parse(JSON.stringify(userinfoDetails).replace(/nickName/g, "nickname"));
    delete userinfoDetails.language;
    userinfoDetails.ppid = ppid || ''
    console.log(userinfoDetails)
    uni.setStorageSync('userinfoDetails',userinfoDetails)
    }
    if(res.data.status == 0) {
    that.sendInfo(userinfoDetails) // 用户还没注册过需调用此方法
    console.log('我还没有注册')
    } else {
    uni.showToast({
     title: '登录成功',
     icon: 'success',
     duration: 2000
    })
    store.commit('login', res.data) // vuex的方法，存openid，userinfo，和更改isloginstatus状态值
    uni.setStorageSync('StorageloginStatus',true) // 补充本地存储 localStorage解决vuex刷新数据不保留
    uni.setStorageSync('Storageopenid',res.data.openid)
    uni.setStorageSync('Storageuserinfo',res.data.userinfo)
    }
    if (res.data.status == 0 && res.data.userinfo == 0) {
    uni.showToast({
     title: '登录失败',
     duration: 2000
    })
    }
   }
   })
  }
  })
  }
 });
 },
 sendInfo(userinfoDetails) {
 var that = this
 uni.request({
  url: this.apiUrl + 'sm/vip', //注册接口
  data: userinfoDetails,
  method: 'POST',
  success: (res) => {
  if(res.data.userinfo == 1) {
   uni.hideLoading()
   uni.showToast({
   title: '注册成功',
   icon: 'success',
   duration: 2000
   })
   store.commit('login', res.data) // vuex的方法，存openid，userinfo，和更改isloginstatus状态值
   uni.setStorageSync('StorageloginStatus',true)
   uni.setStorageSync('Storageopenid',res.data.openid)
   uni.setStorageSync('Storageuserinfo',res.data.userinfo)
  } else {
   uni.hideLoading()
   uni.showToast({
   title: res.data.msg,
   duration: 2000
   })
  }
  }
 })
 }
}
export default app;

<button v-if="isloginStatus || StorageloginStatus" type="primary" class="reserve-btn" @click="goreserve">跳转</button>
<button v-else type="primary" class="reserve-btn" open-type="getUserInfo" @getuserinfo="getuserinfo">登录</button>
import app from '../../common/config.js'
export default {
 data() {
  return {
  ppid: "",
  StorageloginStatus: false
  }
 },
 computed: mapState({
  isloginStatus: state => state.isloginStatus,
 }),
 onLoad(option) {
  this.ppid = this.scene_decode(option.scene).ppid //封装的scene_decode() 方法
  this.StorageloginStatus = uni.getStorageSync('StorageloginStatus')
 },
 methods: {
  // 获取用户信息
  getuserinfo(res) {
  app._getuserinfo(res,this.ppid) // 封装好的方法 res是微信返回的用户信息，ppid是二维码携带的参数 
  },
  // 当注册或者登录成功 显示路由按钮
  goreserve() {
  console.log('去挂号了')
  }
 }
 }

import Vue from 'vue'
import Vuex from 'vuex'

const store = new Vuex.Store({
 state: {
 isloginStatus: false,
 userinfo: "", // 状态值
 openid: "", 
 userinfoDetails: {} ,// 头像姓名城市等。。。
 ppid: ""
 },
 mutations: {
 login(state,res) {
  state.isloginStatus = true,
  state.userinfo = res.userinfo, // 如果userinfo==1 --->已登录
  state.openid = res.openid 
 },
 saveUserinfoDetails(state,res) {
  state.userinfoDetails = res
 },
 savePPid(state,id) {
  stage.ppid = id // 存ppid
 }
 },
})
export default store