微信小程序注冊登錄思路

(這是根據(jù)自身的項目的思路,不一定每個項目都適用)

1.制作授權(quán)登錄框,引導(dǎo)用戶點擊按鈕
2.uni.login獲取code
3.把code傳給后端接口,后端返回如下數(shù)據(jù)

openid: "ogtVM5RWdfadfasdfadfadV5s"
status: 1
// 狀態(tài)碼:status==0(該用戶未注冊,需調(diào)用注冊接口) status==1(該用戶已注冊)

4.判斷用戶是否注冊,并調(diào)用用戶信息接口
(1)若已注冊則提示登錄成功,并調(diào)用后臺給的獲取用戶信息的接口,并把數(shù)據(jù)保存到vuex
(2)若未注冊則調(diào)用注冊接口,注冊成功之后調(diào)獲取用戶信息接口,并把數(shù)據(jù)保存到vuex

制作授權(quán)登錄框

我把它寫到一個組件里,在需要調(diào)用的頁面注冊該組件
authorization.vue組件

<template>
    <view class="pop">
        <view class="pop-main">
            <i class="iconfont cancel" @click="cancel">&#xe614;</i>
            <view class="pop-title">需要您的授權(quán)</view>
            <view class="pop-text">
                <view>為了提供更好的服務(wù)</view> 
                <view>請在稍后的提示框中點擊允許</view>
            </view>
            <image class="pop-imgsize" src="../static/images/aut.png" mode=""></image>
            <!-- 微信小程序的引導(dǎo)按鈕,可以獲取到用戶信息 getuserinfo函數(shù)調(diào)用請求下面會講到-->
            <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) {
            // 調(diào)用封裝在app的_getuserinfo函數(shù),_getuserinfo函數(shù)執(zhí)行用戶獲取code,傳code給后臺,調(diào)用注冊接口
                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;
}
/* 刪除按鈕 */
.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>

在個人中心頁注冊該組件

<template>
    <view>
        <view class="info" >
            <image 
                @click="toSettings" 
                class="headimg" 
                :src="userinfo.headimgurl || defaultHeadimg" 
                >
            </image>
            <text v-if="!hasLogin" class="goLogin" @click="gologin">登錄</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>

點擊"我知道了"按鈕,調(diào)用封裝_getuserinfo的請求

新建config.js,在config封裝請求

import store from '@/store'
const app = {
    apiUrl: 'https://aaa.bbbbb.com/', //請求的地址
    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("獲取不到openid")
            }
        } catch (e) {
            console.log(e)
            console.log("獲取不到openid")
        }
    },
    _getuserinfo(res) {
        var that = this
        var userinfoDetails = {} // 注冊時,需要把用戶信息傳給后臺,所以定義一個對象存儲獲取到的用戶信息
        userinfoDetails = res.detail.userInfo 
        uni.getUserInfo({
          provider: 'weixin',
          success: function () {
            uni.login({
                success:function(res){
                    uni.showLoading({
                        title: '登陸中...',
                        mask: false
                    });
                    uni.request({
                        url: that.apiUrl + 'sdafl/ddfax/dfadf?code=' + res.code, //把code傳給后臺,后臺返回openid和status
                        success: (res) => {
                            console.log(res)
                            if (res.data.openid) {
                                uni.setStorageSync('openid', res.data.openid)
                                userinfoDetails.openid = res.data.openid
                                //處理一下屬性名傳遞給后臺
                                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)
                            }
                            // 當status==0時說明用戶還沒有注冊需要注冊
                            if(res.data.status == 0) {
                                that.sendInfo(userinfoDetails) // 調(diào)用注冊接口,并把用戶信息userinfoDetails傳給后臺
                                console.log('我還沒有注冊')
                            } else if (res.data.status == 1) {
                                uni.showToast({
                                    title: '登錄成功',
                                    icon: 'success',
                                    duration: 2000
                                })
                                that.getUserData() // 調(diào)用獲取用戶信息的接口
                            } else {
                                uni.hideLoading()
                                uni.showToast({
                                    title: '登錄失敗',
                                    duration: 2000,
                                    icon:'none'
                                })
                            }
                        }
                    })
                }
            })
          }
        });
    },
    // 注冊接口
    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: '注冊成功',
                        icon: 'success',
                        duration: 2000
                    })
                    that.getUserData() // 調(diào)用獲取用戶信息的接口
                } else {
                    uni.hideLoading()
                    uni.showToast({
                        title: res.data.msg,
                        duration: 2000
                    })
                }
            }
        })
    },
    // 獲取用戶信息
    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存儲登錄態(tài)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: {
        // 登錄
        login(state,res) {
            state.hasLogin = true
            state.userinfo = res
            uni.setStorage({
                key: 'userinfo',
                data: res
            })
            // console.log(state.userinfo)
            // console.log(state.hasLogin)
        },
        // 二維碼ppid
        saveppid(state,ppid) {
            state.ppid = ppid
            uni.setStorage({
                key: 'ppid',
                data: ppid
            })
            // console.log(state.ppid)
        },
    },
})

export default store

搞定

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