mall-front-app/sheep/platform/provider/wechat/officialAccount.js

import $wxsdk from '@/sheep/libs/sdk-h5-weixin';
import {
	getRootUrl
} from '@/sheep/helper';
import AuthUtil from '@/sheep/api/member/auth';
import SocialApi from '@/sheep/api/member/social';
import {
	closeAuthModal,
	showAuthModal
} from '@/sheep/hooks/useModal';
const socialType = 31; // 社交类型 - 微信公众号

// 加载微信公众号JSSDK
async function load() {
	$wxsdk.init();
}

// 微信公众号登陆
async function login(code = '', state = '') {
	// 情况一：没有 code 时，去获取 code
	console.log("没有 code 时，去获取 code")

	if (!code) {
		const loginUrl = await getLoginUrl();
		console.log("没有code时的loginUrl:", loginUrl)
		if (loginUrl) {
			uni.setStorageSync('returnUrl', location.href);
			window.location = loginUrl;
		}
		// 情况二：有 code 时，使用 code 去自动登录
	} else {
		// 解密 code 发起登陆
		const loginResult = await AuthUtil.socialLogin(socialType, code, state);
		if (loginResult.code === 0) {
			// TODO 非繁人：shareLog
			setOpenid(loginResult.data.openid);
			return loginResult;
		}
	}
	return false;
}

// 微信公众号绑定
async function bind(code = '', state = '') {
	// 情况一：没有 code 时，去获取 code
	if (code === '') {
		const loginUrl = await getLoginUrl('bind');
		if (loginUrl) {
			uni.setStorageSync('returnUrl', location.href);
			window.location = loginUrl;
		}
	} else {
		// 情况二：有 code 时，使用 code 去自动绑定
		const loginResult = await SocialApi.socialBind(socialType, code, state);
		if (loginResult.code === 0) {
			setOpenid(loginResult.data);
			return loginResult;
		}
	}
	return false;
}

// 微信公众号解除绑定
const unbind = async (openid) => {
	const {
		code
	} = await SocialApi.socialUnbind(socialType, openid);
	return code === 0;
};

// 获取公众号登陆地址
async function getLoginUrl(event = 'login') {
	const page = getRootUrl() + 'pages/index/login' +
		'?event=' + event; // event 目的，区分是 login 还是 bind

	const {
		code,
		data
	} = await AuthUtil.socialAuthRedirect(socialType, page);
	if (code !== 0) {
		return undefined;
	}
	return data;
}

// 设置 openid 到本地存储，目前只有 pay 支付时会使用
function setOpenid(openid) {
	uni.setStorageSync('openid', openid);
}

// 获得 openid
async function getOpenid(force = false) {
	let openid = uni.getStorageSync('openid');
	if (!openid && force) {
		const info = await getInfo();
		if (info && info.openid) {
			openid = info.openid;
			setOpenid(openid);
		}
	}
	return openid;
}

// 获得社交信息
async function getInfo() {
	const {
		code,
		data
	} = await SocialApi.getSocialUser(socialType);
	if (code !== 0) {
		return undefined;
	}
	return data;
}

export default {
	load,
	login,
	bind,
	unbind,
	getInfo,
	getOpenid,
	jssdk: $wxsdk,
};