jiu/web/login.njk

---
layout: base.njk
title: 登录
description: 登录岩美酒库管理系统。
permalink: /login/
---
{# 官网内登录（不跳 App）：POST /api/v1/auth/login，成功后把凭证写入与
   Web 版 App（shared_preferences_web）共享的 localStorage['flutter.*']
   （值为 JSON 编码，与插件格式一致），再进入 /app/ 即已登录。 #}
<div class="auth-wrap">
  <div class="auth">
    <div class="auth-brand">
      <img class="mk" src="/assets/logo-mark.svg" alt="岩美酒库" />
      <div class="bname">岩美酒库</div>
      <div class="btag">酒水进销存 · 审核驱动业务流</div>
      <div class="pts">
        <div class="pt"><span class="pi"><svg class="ic"><use href="#i-box"/></svg></span>入库出库 · 审核后实时改库存</div>
        <div class="pt"><span class="pi"><svg class="ic"><use href="#i-ic08"/></svg></span>往来对账 · 财务一目了然</div>
        <div class="pt"><span class="pi"><svg class="ic"><use href="#i-ic23"/></svg></span>多端协同 · 多租户安全隔离</div>
      </div>
    </div>
    <div class="auth-form">
      <h1>登录</h1>
      <p class="alead">欢迎回来，请输入账号信息</p>
      <div class="auth-alert" id="loginErr"></div>
      <div class="field"><label>门店编号<span class="req">*</span></label><input class="input" id="shop" placeholder="例如 S000001" autocomplete="organization" /></div>
      <div class="field"><label>登录账号<span class="req">*</span></label><input class="input" id="user" placeholder="请输入登录账号" autocomplete="username" /></div>
      <div class="field"><label>密码<span class="req">*</span></label><input class="input" id="pass" type="password" placeholder="请输入密码" autocomplete="current-password" /></div>
      <button class="btn primary lg" id="loginBtn" style="margin-top:8px">登 录</button>
      <div class="auth-foot">还没有门店账号？<a href="/register/" style="font-weight:600">注册新门店 →</a></div>
      <div class="auth-foot" style="margin-top:6px;color:var(--faint);font-size:var(--fs-xs)">岩美酒库 © 2026 · 仅授权门店可登录</div>
    </div>
  </div>
</div>

<script>
(function () {
  var API = '{{ site.appBaseUrl }}';
  function $(id) { return document.getElementById(id); }
  function showErr(msg) { var el = $('loginErr'); el.textContent = msg; el.classList.add('show'); }

  // 与 shared_preferences_web 同格式（值 JSON 编码），Web 版 App 可直接恢复会话
  function persist(data, shopNo) {
    var u = data.user || {};
    var kv = {
      access_token: data.access_token, refresh_token: data.refresh_token,
      user_id: u.id || 0, username: u.username || '', real_name: u.real_name || '',
      shop_no: shopNo, shop_id: String(data.shop_id || ''), role: u.role || 'operator',
    };
    Object.keys(kv).forEach(function (k) {
      localStorage.setItem('flutter.' + k, JSON.stringify(kv[k]));
    });
  }

  function doLogin() {
    var shop = $('shop').value.trim(), user = $('user').value.trim(), pass = $('pass').value;
    if (!shop) return showErr('请输入门店编号');
    if (!user) return showErr('请输入登录账号');
    if (!pass) return showErr('请输入密码');
    $('loginErr').classList.remove('show');
    var btn = $('loginBtn'); btn.disabled = true; btn.textContent = '登录中…';
    fetch(API + '/api/v1/auth/login', {
      method: 'POST', headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ shop_code: shop, username: user, password: pass }),
    })
      .then(function (r) { return r.json().then(function (j) { return { ok: r.ok, j: j }; }); })
      .then(function (res) {
        if (!res.ok) throw new Error((res.j && res.j.error) || '登录失败，请检查账号信息');
        persist(res.j.data || {}, shop);
        // ?next= 仅允许站内路径（防开放跳转）
        var next = new URLSearchParams(location.search).get('next') || '';
        location.href = (next.charAt(0) === '/' && next.indexOf('//') !== 0) ? next : '/app/';
      })
      .catch(function (e) {
        showErr(e && e.message ? e.message : '无法连接服务器，请稍后重试');
        btn.disabled = false; btn.textContent = '登 录';
      });
  }
  // 登录过的浏览器回填门店编号/账号（token 过期重登时少敲两栏）
  if (window.jiuAuth) {
    var savedShop = jiuAuth.get('shop_no'), savedUser = jiuAuth.get('username');
    if (savedShop && !$('shop').value) $('shop').value = savedShop;
    if (savedUser && !$('user').value) $('user').value = savedUser;
  }

  $('loginBtn').addEventListener('click', doLogin);
  ['shop', 'user', 'pass'].forEach(function (id) {
    $(id).addEventListener('keydown', function (e) { if (e.key === 'Enter') doLogin(); });
  });
})();
</script>