feat: 公众号网页授权登录

app/api/user.js

@@ -24,6 +24,19 @@ export function loginH5(data) {
   return request.post("login", data, { noAuth : true });
 }
 
+/**
+ * 小程序：公众号网页授权 code 换登录态（后端待对接）
+ * 约定 data：{ token, uid } 已绑定直接登录；{ needBind: true } 需使用账号密码绑定后再拿 token
+ */
+export function loginMpByGzhCode(code, spread_spid) {
+  void code;
+  void spread_spid;
+  // 对接后启用，并删除下方占位 reject：
+  // return request.get('wechat/authorize/mp_gzh_login', { code, spread_spid: spread_spid || 0 }, { noAuth: true });
+  // 本地联调「需绑定」分支时可改为：return Promise.resolve({ data: { needBind: true } });
+  return Promise.reject(new Error('MP_GZH_LOGIN_PENDING'));
+}
+
 /**
  * h5用户手机号登录
  * @param data object 用户手机号 也只能

app/libs/wechat.js

@@ -316,3 +316,35 @@ class AuthWechat {
 
 export default new AuthWechat();
 // #endif
+
+
+/**
+ * 小程序内打开 web-view 完成公众号网页授权，由 H5 落地页通过 postMessage 回传 { code }
+ * redirect_uri / appid 请按实际公众号与业务域名配置
+ */
+export function wxGZHAuth() {
+	return new Promise((resolve, reject) => {
+		const redirectUri = encodeURIComponent('https://www.fjyfzh.com/gzh-mp/gzh-login');
+		const url =
+			`https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx49d7d3aba9479a85&redirect_uri=${redirectUri}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect`;
+		uni.navigateTo({
+			url: '/pages/webview/webview',
+			events: {
+				callbackData(data) {
+					// uni.navigateBack({ delta: 1 });
+					if (data && (data.code || typeof data === 'string')) {
+						resolve(typeof data === 'string' ? { code: data } : data);
+					} else {
+						reject(new Error('未获取到公众号授权 code'));
+					}
+				}
+			},
+			success(res) {
+				res.eventChannel.emit('acceptData', { url });
+			},
+			fail(err) {
+				reject(err || new Error('打开授权页失败'));
+			}
+		});
+	});
+}

app/pages.json

@@ -968,6 +968,16 @@
 					"navigationBarTitleText": "精品推荐"
 				}
 			}]
+		},
+		{
+			"root": "pages/webview",
+			"name": "webview",
+			"pages": [{
+				"path": "webview",
+				"style": {
+					"navigationBarTitleText": "微信授权"
+				}
+			}]
 		}
 	],
 	"globalStyle": {

app/pages/users/login/index.vue

@@ -48,6 +48,9 @@
 			</div>
 			<div class="logon" @click="loginMobile" v-if="current !== 0">登录</div>
 			<div class="logon" @click="submit" v-if="current === 0">登录</div>
+			<!-- #ifdef MP-WEIXIN -->
+			<div class="logon logon-wechat" v-if="current === 0" @click="mpGzhWechatLogin">微信登录</div>
+			<!-- #endif -->
 			<div class="tips">
 				<!-- <div v-if="current==0" @click="current = 1">快速登录</div> -->
 				<div v-if="current==1" @click="current = 0">账号登录</div>
@@ -62,6 +65,7 @@
 	import {
 		loginH5,
 		loginMobile,
+		loginMpByGzhCode,
 		registerVerify,
 		register,
 		// getCodeApi,
@@ -81,6 +85,11 @@
 	import {
 		VUE_APP_API_URL
 	} from "@/utils";
+	// #ifdef MP-WEIXIN
+	import {
+		wxGZHAuth
+	} from "@/libs/wechat";
+	// #endif
 
 	const BACK_URL = "login_back_url";
 
@@ -106,7 +115,8 @@
 				appUserInfo: null, // 微信登录保存的用户信息
 				appleLoginStatus: false, // 苹果登录强制绑定手机号码状态
 				appleUserInfo: null,
-				appleShow: false // 苹果登录版本必须要求ios13以上的
+				appleShow: false, // 苹果登录版本必须要求ios13以上的
+				pendingGzhCode: '' // 公众号授权未绑定时，随账号密码一并提交
 			};
 		},
 		watch:{
@@ -254,7 +264,7 @@
 						this.getUserInfo(res.data);
 					}
 				}).catch(res => {
-						that.$util.Tips({
+						this.$util.Tips({
 							title: res
 						});
 				});
@@ -370,6 +380,60 @@
 			navTap: function(index) {
 				this.current = index;
 			},
+			// #ifdef MP-WEIXIN
+			async mpGzhWechatLogin() {
+				const that = this;
+				try {
+					uni.showLoading({
+						title: '授权中'
+					});
+					const auth = await wxGZHAuth();
+					const code = auth && auth.code ? auth.code : '';
+					if (!code) {
+						uni.hideLoading();
+						return that.$util.Tips({
+							title: '未获取到授权码'
+						});
+					}
+					const res = await loginMpByGzhCode(code, that.$Cache.get('spread'));
+					uni.hideLoading();
+					const d = res.data || {};
+					if (d.token) {
+						that.pendingGzhCode = '';
+						that.$store.commit('LOGIN', {
+							token: d.token
+						});
+						that.getUserInfo({
+							uid: d.uid
+						});
+						return;
+					}
+					if (d.needBind) {
+						that.pendingGzhCode = code;
+						uni.showModal({
+							title: '提示',
+							content: '当前微信未绑定账号，请使用账号密码完成绑定登录',
+							showCancel: false
+						});
+						return;
+					}
+					that.$util.Tips({
+						title: d.msg || '登录失败'
+					});
+				} catch (e) {
+					uni.hideLoading();
+					const msg = (e && e.message) || e || '授权失败';
+					if (msg === 'MP_GZH_LOGIN_PENDING') {
+						return that.$util.Tips({
+							title: '公众号登录接口待对接'
+						});
+					}
+					that.$util.Tips({
+						title: typeof msg === 'string' ? msg : '授权失败'
+					});
+				}
+			},
+			// #endif
 			async submit() {
 				let that = this;
 				if (!that.account) return that.$util.Tips({
@@ -381,14 +445,20 @@
 				if (!that.password) return that.$util.Tips({
 					title: '请填写密码'
 				});
-				loginH5({
-						account: that.account,
-						password: that.password,
-						spread: that.$Cache.get("spread")
-					})
+				const loginPayload = {
+					account: that.account,
+					password: that.password,
+					spread: that.$Cache.get("spread")
+				};
+				// 绑定公众号授权：字段名请与后端约定（示例 mp_gzh_oauth_code）
+				if (that.pendingGzhCode) {
+					loginPayload.mp_gzh_oauth_code = that.pendingGzhCode;
+				}
+				loginH5(loginPayload)
 					.then(({
 						data
 					}) => {
+						that.pendingGzhCode = '';
 						this.$store.commit("LOGIN", {
 							'token': data.token
 						});
@@ -400,7 +470,7 @@
 						});
 					});
 			},
-getUserInfo(data){
+			getUserInfo(data){
 			this.$store.commit("SETUID", data.uid);
 			getUserInfo().then(res => {
 				this.$store.commit("UPDATE_USERINFO", res.data);
@@ -603,6 +673,11 @@ getUserInfo(data){
 				font-size: 30rpx;
 			}
 
+			.logon-wechat {
+				margin-top: 32rpx;
+				background-color: #07c160;
+			}
+	
 			.tips {
 				margin: 30rpx;
 				text-align: center;

app/pages/webview/webview.vue

@@ -0,0 +1,38 @@
+<template>
+	<web-view :src="url" @message="handleMessage" @load="handleLoad" @error="handleError"></web-view>
+</template>
+
+<script>
+	export default {
+		data() {
+			return {
+				url: '',
+			}
+		},
+		onLoad() {
+			const eventChannel = this.getOpenerEventChannel();
+			eventChannel.on('acceptData', (data) => {
+				this.url = data.url;
+			});
+		},
+		methods: {
+			handleMessage(e) {
+				console.log(e.detail.data);
+				const data = e.detail.data || [];
+				const eventChannel = this.getOpenerEventChannel();
+				eventChannel.emit('callbackData', data[0] || {});
+			},
+			// 加载完成
+			handleLoad(e) {
+				
+			},
+			// 加载失败
+			handleError(e) {
+				uni.showToast({ title: '加载失败', icon: 'none' });
+			}
+		}
+	}
+</script>
+
+<style>
+</style>