320 lines
11 KiB
HTML
320 lines
11 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>后台管理登录 - 知识管理平台</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
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'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
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background: linear-gradient(135deg, #eef2ff 0%, #f6f7fb 45%, #ecfeff 100%);
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min-height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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position: relative;
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overflow-x: hidden;
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}
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body::before {
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content: '';
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position: fixed;
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inset: 0;
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background:
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radial-gradient(800px 500px at 15% 20%, rgba(59,130,246,.18), transparent 60%),
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radial-gradient(700px 420px at 85% 70%, rgba(124,58,237,.16), transparent 55%);
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pointer-events: none;
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}
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.login-container {
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background: white;
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border-radius: 16px;
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box-shadow: 0 18px 60px rgba(17,24,39,0.15);
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width: 420px;
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padding: 38px 34px;
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border: 1px solid rgba(17,24,39,0.08);
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position: relative;
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}
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.login-header {
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text-align: center;
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margin-bottom: 30px;
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}
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.login-header h1 {
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font-size: 24px;
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color: #111827;
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margin-bottom: 10px;
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letter-spacing: 0.2px;
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}
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.login-header p {
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color: #6b7280;
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font-size: 14px;
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}
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.admin-badge {
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display: inline-block;
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background: rgba(59,130,246,0.10);
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color: #1d4ed8;
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padding: 6px 14px;
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border-radius: 999px;
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font-size: 12px;
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font-weight: 700;
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margin-bottom: 15px;
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}
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.form-group {
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margin-bottom: 20px;
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}
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.form-group label {
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display: block;
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margin-bottom: 8px;
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color: #111827;
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font-weight: 700;
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font-size: 13px;
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}
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.form-group input {
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width: 100%;
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padding: 12px;
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border: 1px solid rgba(17,24,39,0.14);
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border-radius: 10px;
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font-size: 14px;
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transition: border-color 0.2s, box-shadow 0.2s;
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background: rgba(255,255,255,0.9);
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}
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.form-group input:focus {
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outline: none;
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border-color: rgba(59,130,246,0.7);
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box-shadow: 0 0 0 4px rgba(59,130,246,0.16);
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}
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.btn-login {
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width: 100%;
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padding: 12px;
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background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
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color: white;
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border: none;
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border-radius: 10px;
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font-size: 16px;
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font-weight: 800;
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cursor: pointer;
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transition: transform 0.15s, filter 0.15s;
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}
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.btn-login:hover {
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transform: translateY(-2px);
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filter: brightness(1.02);
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}
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.btn-login:active {
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transform: translateY(0);
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}
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.back-link {
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text-align: center;
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margin-top: 20px;
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color: #6b7280;
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}
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.back-link a {
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color: #2563eb;
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text-decoration: none;
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font-weight: 700;
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}
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.back-link a:hover {
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text-decoration: underline;
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}
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.error-message {
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background: rgba(239,68,68,0.10);
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color: #b91c1c;
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padding: 10px;
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border-radius: 10px;
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margin-bottom: 20px;
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display: none;
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border: 1px solid rgba(239,68,68,0.18);
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}
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.success-message {
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background: rgba(16,185,129,0.10);
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color: #047857;
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padding: 10px;
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border-radius: 10px;
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margin-bottom: 20px;
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display: none;
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border: 1px solid rgba(16,185,129,0.18);
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}
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.warning-box {
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background: rgba(245,158,11,0.10);
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border: 1px solid rgba(245,158,11,0.18);
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color: #92400e;
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padding: 10px;
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border-radius: 10px;
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margin-bottom: 20px;
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font-size: 13px;
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}
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@media (max-width: 480px) {
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body { padding: 12px; align-items: flex-start; padding-top: 20px; }
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.login-container { width: 100%; max-width: 100%; padding: 28px 20px; border-radius: 14px; }
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.login-header h1 { font-size: 22px; }
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.login-header p { font-size: 13px; }
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.admin-badge { font-size: 11px; padding: 4px 12px; }
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.form-group { margin-bottom: 18px; }
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.form-group label { font-size: 13px; }
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.form-group input { padding: 11px; font-size: 16px; } /* iOS防止自动缩放 */
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.btn-login { padding: 13px; font-size: 15px; }
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.back-link { margin-top: 16px; font-size: 14px; }
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}
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</style>
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</head>
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<body>
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<div class="login-container">
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<div class="login-header">
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<span class="admin-badge">管理员登录</span>
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<h1>后台管理系统</h1>
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<p>知识管理平台</p>
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</div>
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<div id="errorMessage" class="error-message"></div>
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<div id="successMessage" class="success-message"></div>
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<form id="loginForm" method="POST" action="/yuyx/api/login" onsubmit="handleLogin(event)">
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<div class="form-group">
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<label for="username">管理员账号</label>
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<input type="text" id="username" name="username" required>
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</div>
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<div class="form-group">
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<label for="password">密码</label>
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<input type="password" id="password" name="password" required>
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</div>
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<div id="captchaGroup" class="form-group" style="display: none;">
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<label for="captcha">验证码</label>
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<div style="display: flex; gap: 10px; align-items: center;">
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<input type="text" id="captcha" name="captcha" placeholder="请输入验证码" style="flex: 1;">
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<img id="captchaImage" src="" alt="验证码" style="height: 50px; border: 1px solid #ddd; border-radius: 4px; cursor: pointer;" onclick="refreshCaptcha()" title="点击刷新">
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<button type="button" onclick="refreshCaptcha()" style="padding: 8px 15px; background: #f0f0f0; border: 1px solid #ddd; border-radius: 4px; cursor: pointer;">刷新</button>
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</div>
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</div>
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<button type="submit" class="btn-login">登录后台</button>
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</form>
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<div class="back-link">
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<a href="/">返回用户登录</a>
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</div>
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</div>
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<script>
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let captchaSession = '';
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let needCaptcha = false;
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async function handleLogin(event) {
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event.preventDefault();
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const username = document.getElementById('username').value.trim();
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const password = document.getElementById('password').value.trim();
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const captchaInput = document.getElementById('captcha');
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const captcha = captchaInput ? captchaInput.value.trim() : '';
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const errorDiv = document.getElementById('errorMessage');
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const successDiv = document.getElementById('successMessage');
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errorDiv.style.display = 'none';
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successDiv.style.display = 'none';
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if (!username || !password) {
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errorDiv.textContent = '用户名和密码不能为空';
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errorDiv.style.display = 'block';
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return;
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}
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if (needCaptcha && !captcha) {
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errorDiv.textContent = '请输入验证码';
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errorDiv.style.display = 'block';
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return;
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}
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try {
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const response = await fetch('/yuyx/api/login', {
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method: 'POST',
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credentials: 'same-origin', // 确保发送和接收cookies
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({
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username: username,
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password: password,
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captcha_session: captchaSession,
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captcha: captcha,
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need_captcha: needCaptcha
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})
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});
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const data = await response.json();
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if (response.ok) {
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successDiv.textContent = '登录成功，正在跳转...';
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successDiv.style.display = 'block';
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// 等待1秒确保cookie设置完成
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await new Promise(resolve => setTimeout(resolve, 1000));
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// 使用replace避免返回按钮回到登录页
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window.location.replace(data.redirect || '/yuyx/admin');
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} else {
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errorDiv.textContent = data.error || '登录失败';
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errorDiv.style.display = 'block';
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if (data.need_captcha) {
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needCaptcha = true;
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document.getElementById('captchaGroup').style.display = 'block';
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await generateCaptcha();
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}
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}
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} catch (error) {
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errorDiv.textContent = '网络错误，请稍后重试';
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errorDiv.style.display = 'block';
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}
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}
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async function generateCaptcha() {
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try {
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const response = await fetch('/api/generate_captcha', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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}
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});
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const data = await response.json();
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if (data.session_id && data.captcha_image) {
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captchaSession = data.session_id;
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document.getElementById('captchaImage').src = data.captcha_image;
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}
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} catch (error) {
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console.error('生成验证码失败:', error);
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}
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}
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async function refreshCaptcha() {
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await generateCaptcha();
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document.getElementById('captcha').value = '';
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}
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</script>
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</body>
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</html>
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