73 lines
2.1 KiB
JavaScript
73 lines
2.1 KiB
JavaScript
// utils/login.js
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import {
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applyWechatLoginData,
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backfillUserProfileCache,
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getSessionToken,
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isWechatLoginSuccess,
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} from './role-tab-bar';
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const app = getApp();
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export function ensureLogin(options = {}) {
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const silent = options.silent !== false;
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const page = options.page || null;
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const token = getSessionToken(app);
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if (token) {
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backfillUserProfileCache(app);
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return Promise.resolve(true);
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}
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// 关键：如果已有登录流程正在执行，直接返回那个 Promise，避免并发登录
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if (app.globalData.loginPromise) {
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return app.globalData.loginPromise;
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}
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// 开始新的登录流程
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const loginPromise = new Promise(async (resolve, reject) => {
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if (silent) {
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wx.showLoading({ title: '自动登录中...', mask: true });
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}
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try {
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const loginRes = await wx.login();
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if (!loginRes.code) throw new Error('获取微信登录码失败');
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const apiBaseUrl = app.globalData.apiBaseUrl;
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if (!apiBaseUrl) throw new Error('服务器配置错误');
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const res = await new Promise((resolve, reject) => {
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wx.request({
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url: apiBaseUrl + '/yonghu/wechatlogin',
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method: 'POST',
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data: { code: loginRes.code },
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header: { 'content-type': 'application/json' },
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success: resolve,
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fail: reject,
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});
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});
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const userData = res.data && (res.data.data || res.data);
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if (res.statusCode === 200 && isWechatLoginSuccess(res.data) && userData) {
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applyWechatLoginData(userData, page);
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resolve(true);
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} else {
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const msg = res.data?.msg || '登录失败';
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wx.showToast({ title: msg, icon: 'none' });
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reject(new Error(msg));
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}
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} catch (error) {
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wx.showToast({ title: error.message || '登录失败', icon: 'none' });
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reject(error);
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} finally {
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if (silent) wx.hideLoading();
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}
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});
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// 存储全局登录 Promise，供 request.js 感知
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app.globalData.loginPromise = loginPromise;
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// 无论成功或失败，完成后清空标记
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loginPromise.finally(() => {
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app.globalData.loginPromise = null;
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});
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return loginPromise;
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} |