微信小程序注册登录思路

(这是根据自身的项目的思路,不一定每个项目都适用)

1.制作授权登录框,引导用户点击按钮
2.uni.login获取code
3.把code传给后端接口,后端返回如下数据

openid: "ogtVM5RWdfadfasdfadfadV5s"status: 1// 状态码:status==0(该用户未注册,需调用注册接口) status==1(该用户已注册)

4.判断用户是否注册,并调用用户信息接口
(1)若已注册则提示登录成功,并调用后台给的获取用户信息的接口,并把数据保存到vuex
(2)若未注册则调用注册接口,注册成功之后调获取用户信息接口,并把数据保存到vuex

制作授权登录框

我把它写到一个组件里,在需要调用的页面注册该组件
authorization.vue组件

<template>    <view class="pop">        <view class="pop-main">            <i class="iconfont cancel" @click="cancel">&#xe614;</i>            <view class="pop-title">需要您的授权</view>            <view class="pop-text">                <view>为了提供更好的服务</view>                 <view>请在稍后的提示框中点击允许</view>            </view>            <image class="pop-imgsize" src="../static/images/aut.png" mode=""></image>            <!-- 微信小程序的引导按钮,可以获取到用户信息 getuserinfo函数调用请求下面会讲到-->            <button type="primary" class="reserve-btn" open-type="getUserInfo" @getuserinfo="getuserinfo">我知道了</button>        </view>    </view></template><script>    import app from '../common/config.js'    export default {        data() {            return {                            };        },        methods: {            getuserinfo(res) {            // 调用封装在app的_getuserinfo函数,_getuserinfo函数执行用户获取code,传code给后台,调用注册接口                app._getuserinfo(res)            },            cancel() {                this.$emit('cancelChild',false)            }        }    }</script><style scoped>.pop {    position: fixed;    top: 0;    left: 0;    right: 0;    bottom: 0;    background: rgba(0,0,0,.3);    z-index: 9999;    display: flex;    justify-content: center;    align-items: center;}.pop-main {    width: 690upx;    height: 800upx;    box-sizing: border-box;    background-color: #FFFFFF;    border-radius: 20upx;    position: relative;    display: flex;    flex-direction: column;    align-items: center;    font-size: 14px;    padding: 64upx 0upx 40upx 0upx;}/* 删除按钮 */.cancel {    position: absolute;    top: 20upx;    right: 20upx;    font-size: 20px;}.pop-title {    padding-bottom: 40upx;    width: 100%;    border-bottom: 1px solid #BFBFBF;    font-size: 16px;    letter-spacing: 2px;    text-align: center;}.pop-imgsize {    width: 484upx;    height: 406upx;}.pop-text {    width: 75%;    text-align: center;    font-size: 15px;    margin: 30upx 0upx;    letter-spacing: 1px;}button {    background-color: #08BF00;    color: #FFFFFF;    text-align: center;    height: 88upx;    line-height: 88upx;    font-size: 14px;    border-radius: 50upx;    width: 78%;}</style>

在个人中心页注册该组件

<template>    <view>        <view class="info" >            <image                 @click="toSettings"                 class="headimg"                 :src="userinfo.headimgurl || defaultHeadimg"                 >            </image>            <text v-if="!hasLogin" class="goLogin" @click="gologin">登录</text>            <text v-if="hasLogin">{{userinfo.nickname}}</text>            <text v-if="hasLogin && userinfo.mobile" class="phone">{{userinfo.mobile}}</text>        </view>        <authorization v-if="tologin && !hasLogin" @cancelChild="getChild"></authorization>    </view></template>

点击"我知道了"按钮,调用封装_getuserinfo的请求

新建config.js,在config封装请求

import store from '@/store'const app = {    apiUrl: 'https://aaa.bbbbb.com/', //请求的地址    openidRequest(obj) {        try {            const openid = uni.getStorageSync('openid');            if (openid) {                if(obj.data) {                    obj.data["openid"] = openid;                } else {                    obj.data = {"openid": openid};                }                obj.url = this.apiUrl + obj.url;                uni.request(obj)            } else {                console.log("获取不到openid")            }        } catch (e) {            console.log(e)            console.log("获取不到openid")        }    },    _getuserinfo(res) {        var that = this        var userinfoDetails = {} // 注册时,需要把用户信息传给后台,所以定义一个对象存储获取到的用户信息        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 + 'sdafl/ddfax/dfadf?code=' + res.code, //把code传给后台,后台返回openid和status                        success: (res) => {                            console.log(res)                            if (res.data.openid) {                                uni.setStorageSync('openid', res.data.openid)                                userinfoDetails.openid = res.data.openid                                //处理一下属性名传递给后台                                userinfoDetails = JSON.parse(JSON.stringify(userinfoDetails).replace(/avatarUrl/g, "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 = store.state.ppid || ''                                console.log(userinfoDetails)                            }                            // 当status==0时说明用户还没有注册需要注册                            if(res.data.status == 0) {                                that.sendInfo(userinfoDetails) // 调用注册接口,并把用户信息userinfoDetails传给后台                                console.log('我还没有注册')                            } else if (res.data.status == 1) {                                uni.showToast({                                    title: '登录成功',                                    icon: 'success',                                    duration: 2000                                })                                that.getUserData() // 调用获取用户信息的接口                            } else {                                uni.hideLoading()                                uni.showToast({                                    title: '登录失败',                                    duration: 2000,                                    icon:'none'                                })                            }                        }                    })                }            })          }        });    },    // 注册接口    sendInfo(userinfoDetails) {        var that = this        uni.request({            url: this.apiUrl + 'fdafd/ifdaffdex/fdaff',            data: userinfoDetails,            method: 'POST',            success: (res) => {                if(res.data.userinfo == 1) {                    uni.hideLoading()                    uni.showToast({                        title: '注册成功',                        icon: 'success',                        duration: 2000                    })                    that.getUserData() // 调用获取用户信息的接口                } else {                    uni.hideLoading()                    uni.showToast({                        title: res.data.msg,                        duration: 2000                    })                }            }        })    },    // 获取用户信息    getUserData() {        uni.request({            url: this.apiUrl + 'sfad/dfadfad/idfadffde',             data: {                openid: uni.getStorageSync('openid')            },            method: 'POST',            success: (res) => {                if(res.data.status == 1) {                    console.log(res.data)                    store.commit('login', res.data.user) // vuex的方法                } else {                    uni.showToast({                        title: res.data.msg,                        duration: 2000                    })                }            }        })    }}export default app;
vuex存储登录态的方法
import Vue from 'vue'import Vuex from 'vuex'Vue.use(Vuex)const store = new Vuex.Store({    state: {        hasLogin: false,        userinfo: {},        ppid: '',    },    mutations: {        // 登录        login(state,res) {            state.hasLogin = true            state.userinfo = res            uni.setStorage({                key: 'userinfo',                data: res            })            // console.log(state.userinfo)            // console.log(state.hasLogin)        },        // 二维码ppid        saveppid(state,ppid) {            state.ppid = ppid            uni.setStorage({                key: 'ppid',                data: ppid            })            // console.log(state.ppid)        },    },})export default store

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