61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
/* index.js — 社区首页逻辑
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*
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* 登录态检测：POST /whoami（HttpOnly q4_token Cookie 自动携带，JS 不经手 Token）
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* 已登录：显示头像/用户名与"进入笔记/退出"按钮，首屏 CTA 指向笔记页
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* 未登录：显示"登录/注册"，首屏 CTA 指向登录页
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*/
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(function () {
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'use strict';
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const nameEl = document.getElementById('name');
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const avatarEl = document.getElementById('avatar');
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const enterBtn = document.getElementById('enterBtn');
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const logoutBtn = document.getElementById('logoutBtn');
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const loginBtn = document.getElementById('loginBtn');
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const registerBtn = document.getElementById('registerBtn');
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const ctaBtn = document.getElementById('ctaBtn');
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const logoEl = document.getElementById('logo');
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let loggedIn = false;
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function go(url) { window.location.href = url; }
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logoEl.addEventListener('click', () => go('index.html'));
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enterBtn.addEventListener('click', () => go('dnfs.html'));
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loginBtn.addEventListener('click', () => go('login.html'));
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registerBtn.addEventListener('click', () => go('register.html'));
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ctaBtn.addEventListener('click', () => go(loggedIn ? 'dnfs.html' : 'login.html'));
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async function checkLogin() {
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try {
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const res = await fetch('/whoami', { method: 'POST' });
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if (!res.ok) return;
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const data = await res.json();
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if (data && data.login && data.user) {
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loggedIn = true;
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nameEl.textContent = String(data.user);
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nameEl.style.display = '';
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avatarEl.style.display = '';
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enterBtn.style.display = '';
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logoutBtn.style.display = '';
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loginBtn.style.display = 'none';
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registerBtn.style.display = 'none';
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ctaBtn.textContent = '进入我的知识树';
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}
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} catch (e) {
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console.warn('index: 登录态检测失败', e.message);
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}
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}
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logoutBtn.addEventListener('click', async function () {
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try {
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await fetch('/logout', { method: 'POST' });
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} catch (e) {
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console.warn('index: 退出登录请求异常', e.message);
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}
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location.reload();
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});
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checkLogin();
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})();
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