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feat: 在设置页面添加主题切换按钮 #18

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Merged
aba2222 merged 2 commits into from
Feb 23, 2026
Merged

feat: 在设置页面添加主题切换按钮 #18

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fb19872
feat: add theme toggle to settings page
xiokuai Feb 20, 2026
6bf3218
refactor: 将主题切换从设置页移至导航栏
xiokuai Feb 23, 2026
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78 changes: 50 additions & 28 deletions forum/templates/base.html
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,12 @@

<meta name="color-scheme" content="light dark">
<script>
const isDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
document.documentElement.setAttribute('data-bs-theme', isDark ? 'dark' : 'light');
function getTheme() {
const saved = localStorage.getItem('theme');
if (saved === 'light' || saved === 'dark') return saved;
return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
}
document.documentElement.setAttribute('data-bs-theme', getTheme());
</script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.8.1/github-markdown.css" integrity="sha512-Hasfm7Iv5AG2/v5DSRXetpC33VjyPBXn5giooMag2EgSbiJ2Xp4GGvYGKSvc68SiJIflF/WrbDFdNmtlZHE5HA==" crossorigin="anonymous" referrerpolicy="no-referrer" />

Expand All @@ -33,10 +37,8 @@
}


@media (prefers-color-scheme: dark) {
body {
background-color: #0d1117;
}
[data-bs-theme="dark"] body {
background-color: #0d1117;
}
</style>
{% block extra_head %}{% endblock %}
Expand Down Expand Up @@ -72,24 +74,29 @@
</ul>
</div>

{% if user.is_authenticated %}
<div class="nav-item dropdown ms-auto">
<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
<i class="bi bi-person-circle"></i> <span>{{ user.username }}</span>
<div class="d-flex align-items-center ms-auto">
<a class="nav-link px-2" href="#" id="theme-toggle" title="切换主题">
<i class="bi" id="theme-icon"></i>
</a>
<ul class="dropdown-menu dropdown-menu-end">
<li>
<a class="dropdown-item" href="{% url 'settings' %}">账户设置</a>
</li>
<li>
<form action="{% url 'logout' %}" method="post" class="w-100">
{% csrf_token %}
<button type="submit" class="dropdown-item">登出</button>
</form>
</li>
</ul>
{% if user.is_authenticated %}
<div class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
<i class="bi bi-person-circle"></i> <span>{{ user.username }}</span>
</a>
<ul class="dropdown-menu dropdown-menu-end">
<li>
<a class="dropdown-item" href="{% url 'settings' %}">账户设置</a>
</li>
<li>
<form action="{% url 'logout' %}" method="post" class="w-100">
{% csrf_token %}
<button type="submit" class="dropdown-item">登出</button>
</form>
</li>
</ul>
</div>
{% endif %}
</div>
{% endif %}
</div>
</nav>

Expand All @@ -107,13 +114,28 @@


<script>
const themeQuery = window.matchMedia('(prefers-color-scheme: dark)');
const setTheme = () => document.documentElement.setAttribute(
'data-bs-theme',
themeQuery.matches ? 'dark' : 'light'
);
function updateThemeIcon() {
const icon = document.getElementById('theme-icon');
const isDark = document.documentElement.getAttribute('data-bs-theme') === 'dark';
icon.className = 'bi ' + (isDark ? 'bi-sun' : 'bi-moon-stars');
}
updateThemeIcon();

document.getElementById('theme-toggle').addEventListener('click', (e) => {
e.preventDefault();
const isDark = document.documentElement.getAttribute('data-bs-theme') === 'dark';
const next = isDark ? 'light' : 'dark';
localStorage.setItem('theme', next);
document.documentElement.setAttribute('data-bs-theme', next);
updateThemeIcon();
});

themeQuery.addEventListener('change', setTheme);
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
if (!localStorage.getItem('theme')) {
document.documentElement.setAttribute('data-bs-theme', getTheme());
updateThemeIcon();
}
});
</script>
</body>
</html>