feat: 备用大模型接口管理功能

- 新增 BackupLLMConfig 数据模型存储备用大模型配置
- 支持手动新增、编辑、删除备用大模型接口
- 支持测试连接功能
- 大模型配置页面静态表格改为动态管理的备用接口链接
- 默认初始化5个常用大模型服务商配置

admin.py

@@ -10,7 +10,7 @@ import json
 
 from models import (db, User, Translation, TranslationCache, GuestTranslation, 
                    SystemConfig, OperationLog, DataPackage, UserPackage, DynamicConfig,
-                   UserTypeConfig, MembershipPlanConfig)
+                   UserTypeConfig, MembershipPlanConfig, BackupLLMConfig)
 from config import USER_LIMITS, MEMBERSHIP_PLANS
 
 admin_bp = Blueprint('admin', __name__, url_prefix='/admin')
@@ -1217,4 +1217,206 @@ def get_membership_plan(plan_key):
 def get_all_membership_plans():
     """获取所有会员套餐配置"""
     plans = MembershipPlanConfig.query.filter_by(is_active=True).order_by(MembershipPlanConfig.sort_order).all()
-    return [p.to_dict() for p in plans]
+    return [p.to_dict() for p in plans]
+
+
+# ==================== 备用大模型接口管理 ====================
+@admin_bp.route('/backup-llm')
+@admin_required
+def backup_llm_list():
+    """备用大模型接口列表"""
+    configs = BackupLLMConfig.query.order_by(BackupLLMConfig.sort_order).all()
+    
+    # 如果数据库中没有数据，初始化默认配置
+    if not configs:
+        init_default_backup_llm()
+        configs = BackupLLMConfig.query.order_by(BackupLLMConfig.sort_order).all()
+    
+    return render_template('admin/backup_llm.html', configs=configs)
+
+
+@admin_bp.route('/backup-llm/add', methods=['GET', 'POST'])
+@admin_required
+def add_backup_llm():
+    """添加备用大模型接口"""
+    if request.method == 'POST':
+        data = request.json if request.is_json else request.form
+        
+        config = BackupLLMConfig(
+            provider_name=data.get('provider_name'),
+            api_base=data.get('api_base'),
+            api_key=data.get('api_key'),
+            model=data.get('model'),
+            is_active=data.get('is_active', True) if isinstance(data.get('is_active'), bool) else data.get('is_active') == 'true',
+            sort_order=int(data.get('sort_order', 0)),
+            description=data.get('description'),
+        )
+        
+        db.session.add(config)
+        db.session.commit()
+        
+        # 记录日志
+        log = OperationLog(
+            user_id=session.get('user_id'),
+            username='admin',
+            action='add_backup_llm',
+            target=config.provider_name,
+            detail=json.dumps(config.to_dict(), ensure_ascii=False)
+        )
+        db.session.add(log)
+        db.session.commit()
+        
+        if request.is_json:
+            return jsonify({'success': True, 'config': config.to_dict()})
+        flash('备用大模型接口已添加', 'success')
+        return redirect(url_for('admin.backup_llm_list'))
+    
+    return render_template('admin/backup_llm_form.html', config=None)
+
+
+@admin_bp.route('/backup-llm/<int:config_id>/edit', methods=['GET', 'POST'])
+@admin_required
+def edit_backup_llm(config_id):
+    """编辑备用大模型接口"""
+    config = BackupLLMConfig.query.get_or_404(config_id)
+    
+    if request.method == 'POST':
+        data = request.json if request.is_json else request.form
+        
+        config.provider_name = data.get('provider_name', config.provider_name)
+        config.api_base = data.get('api_base', config.api_base)
+        config.api_key = data.get('api_key', config.api_key)
+        config.model = data.get('model', config.model)
+        config.is_active = data.get('is_active', True) if isinstance(data.get('is_active'), bool) else data.get('is_active') == 'true'
+        config.sort_order = int(data.get('sort_order', config.sort_order))
+        config.description = data.get('description', config.description)
+        
+        db.session.commit()
+        
+        # 记录日志
+        log = OperationLog(
+            user_id=session.get('user_id'),
+            username='admin',
+            action='edit_backup_llm',
+            target=config.provider_name,
+            detail=json.dumps(config.to_dict(), ensure_ascii=False)
+        )
+        db.session.add(log)
+        db.session.commit()
+        
+        if request.is_json:
+            return jsonify({'success': True, 'config': config.to_dict()})
+        flash('备用大模型接口已更新', 'success')
+        return redirect(url_for('admin.backup_llm_list'))
+    
+    return render_template('admin/backup_llm_form.html', config=config)
+
+
+@admin_bp.route('/backup-llm/<int:config_id>/delete', methods=['POST'])
+@admin_required
+def delete_backup_llm(config_id):
+    """删除备用大模型接口"""
+    config = BackupLLMConfig.query.get_or_404(config_id)
+    
+    provider_name = config.provider_name
+    db.session.delete(config)
+    db.session.commit()
+    
+    # 记录日志
+    log = OperationLog(
+        user_id=session.get('user_id'),
+        username='admin',
+        action='delete_backup_llm',
+        target=provider_name
+    )
+    db.session.add(log)
+    db.session.commit()
+    
+    return jsonify({'success': True})
+
+
+@admin_bp.route('/backup-llm/<int:config_id>/toggle', methods=['POST'])
+@admin_required
+def toggle_backup_llm(config_id):
+    """切换备用大模型接口状态"""
+    config = BackupLLMConfig.query.get_or_404(config_id)
+    config.is_active = not config.is_active
+    db.session.commit()
+    
+    return jsonify({'success': True, 'is_active': config.is_active})
+
+
+@admin_bp.route('/backup-llm/<int:config_id>/test', methods=['POST'])
+@admin_required
+def test_backup_llm(config_id):
+    """测试备用大模型接口"""
+    config = BackupLLMConfig.query.get_or_404(config_id)
+    
+    try:
+        from openai import OpenAI
+        
+        client = OpenAI(
+            api_key=config.api_key or 'sk-test',
+            base_url=config.api_base,
+        )
+        
+        model = config.model or 'default'
+        
+        # 发送简单测试请求
+        response = client.chat.completions.create(
+            model=model,
+            messages=[{"role": "user", "content": "Hello"}],
+            max_tokens=10,
+            timeout=10,
+        )
+        
+        return jsonify({
+            'success': True,
+            'provider': config.provider_name,
+            'model': model,
+            'response': response.choices[0].message.content[:50] if response.choices else 'OK'
+        })
+        
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)})
+
+
+@admin_bp.route('/backup-llm/init', methods=['POST'])
+@admin_required
+def init_backup_llm():
+    """初始化默认备用大模型"""
+    init_default_backup_llm()
+    return jsonify({'success': True})
+
+
+def init_default_backup_llm():
+    """初始化默认备用大模型接口配置"""
+    defaults = [
+        ('本地LM Studio', 'http://localhost:1234/v1', None, None, 0),
+        ('OpenAI', 'https://api.openai.com/v1', None, 'gpt-4', 1),
+        ('DeepSeek', 'https://api.deepseek.com/v1', None, 'deepseek-chat', 2),
+        ('阿里百炼', 'https://dashscope.aliyuncs.com/compatible-mode/v1', None, 'qwen-turbo', 3),
+        ('SiliconFlow', 'https://api.siliconflow.cn/v1', None, 'Qwen/Qwen2.5-72B-Instruct', 4),
+    ]
+    
+    for provider_name, api_base, api_key, model, sort_order in defaults:
+        existing = BackupLLMConfig.query.filter_by(provider_name=provider_name).first()
+        if not existing:
+            config = BackupLLMConfig(
+                provider_name=provider_name,
+                api_base=api_base,
+                api_key=api_key,
+                model=model,
+                is_active=True,
+                sort_order=sort_order,
+                description=f'{provider_name} 默认接口',
+            )
+            db.session.add(config)
+    
+    db.session.commit()
+
+
+def get_backup_llm_configs():
+    """获取所有备用大模型配置（供其他模块使用）"""
+    configs = BackupLLMConfig.query.filter_by(is_active=True).order_by(BackupLLMConfig.sort_order).all()
+    return [c.to_dict() for c in configs]

models.py

@@ -869,6 +869,44 @@ class EmailNotification(db.Model):
         }
 
 
+# ==================== 备用大模型接口配置 ====================
+class BackupLLMConfig(db.Model):
+    """备用大模型接口配置"""
+    __tablename__ = 'backup_llm_config'
+    
+    id = db.Column(db.Integer, primary_key=True)
+    
+    # 服务商信息
+    provider_name = db.Column(db.String(100), nullable=False)    # 服务商名称: OpenAI, DeepSeek, 阿里百炼, etc.
+    api_base = db.Column(db.String(255), nullable=False)         # API地址
+    api_key = db.Column(db.String(255), nullable=True)           # API Key（可选）
+    model = db.Column(db.String(100), nullable=True)             # 默认模型
+    
+    # 状态
+    is_active = db.Column(db.Boolean, default=True)              # 是否启用
+    sort_order = db.Column(db.Integer, default=0)                # 排序
+    
+    # 备注
+    description = db.Column(db.String(255), nullable=True)       # 备注
+    
+    # 时间
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    
+    def to_dict(self):
+        return {
+            'id': self.id,
+            'provider_name': self.provider_name,
+            'api_base': self.api_base,
+            'api_key': self.api_key,
+            'model': self.model,
+            'is_active': self.is_active,
+            'sort_order': self.sort_order,
+            'description': self.description,
+            'created_at': self.created_at.isoformat() if self.created_at else None,
+        }
+
+
 # ==================== 邮件模板配置 ====================
 class EmailTemplateConfig(db.Model):
     """邮件模板配置"""

templates/admin/backup_llm.html

@@ -0,0 +1,173 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <title>备用大模型接口 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
+    <style>
+        body { background-color: #f5f5f5; }
+        .sidebar { position: fixed; top: 0; left: 0; height: 100vh; width: 250px; background: #343a40; padding-top: 60px; }
+        .sidebar .nav-link { color: #adb5bd; padding: 12px 20px; }
+        .sidebar .nav-link:hover, .sidebar .nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }
+        .main-content { margin-left: 250px; padding: 20px; }
+        .status-badge { font-size: 0.75rem; }
+    </style>
+</head>
+<body>
+    <nav class="sidebar">
+        <div class="position-absolute top-0 w-100 p-3 border-bottom border-secondary">
+            <h5 class="text-white mb-0"><i class="bi bi-gear-fill"></i> 后台管理</h5>
+        </div>
+        <ul class="nav flex-column">
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.dashboard') }}"><i class="bi bi-speedometer2"></i> 数据概览</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.users') }}"><i class="bi bi-people"></i> 用户管理</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.translations') }}"><i class="bi bi-file-text"></i> 翻译记录</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.cache_list') }}"><i class="bi bi-database"></i> 缓存管理</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.stats') }}"><i class="bi bi-bar-chart"></i> 统计报表</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.logs') }}"><i class="bi bi-list-check"></i> 操作日志</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.llm_config') }}"><i class="bi bi-cpu"></i> 大模型配置</a></li>
+            <li class="nav-item"><a class="nav-link active" href="{{ url_for('admin.backup_llm_list') }}"><i class="bi bi-cloud"></i> 备用大模型</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.settings') }}"><i class="bi bi-sliders"></i> 系统配置</a></li>
+        </ul>
+        <div class="position-absolute bottom-0 w-100 p-3 border-top border-secondary">
+            <a href="/" class="btn btn-outline-light btn-sm w-100"><i class="bi bi-house"></i> 返回前台</a>
+        </div>
+    </nav>
+
+    <main class="main-content">
+        <div class="d-flex justify-content-between align-items-center mb-3">
+            <h5><i class="bi bi-cloud"></i> 备用大模型接口</h5>
+            <div>
+                <a href="{{ url_for('admin.add_backup_llm') }}" class="btn btn-primary"><i class="bi bi-plus-lg"></i> 新增接口</a>
+                <button class="btn btn-outline-secondary" onclick="initDefaults()"><i class="bi bi-arrow-counterclockwise"></i> 初始化默认</button>
+            </div>
+        </div>
+        
+        <div class="card">
+            <div class="card-body">
+                <table class="table table-hover">
+                    <thead class="table-light">
+                        <tr>
+                            <th style="width: 50px;">#</th>
+                            <th>服务商</th>
+                            <th>API地址</th>
+                            <th>模型</th>
+                            <th style="width: 80px;">状态</th>
+                            <th style="width: 150px;">操作</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for config in configs %}
+                        <tr id="row-{{ config.id }}">
+                            <td>{{ config.sort_order }}</td>
+                            <td>
+                                <strong>{{ config.provider_name }}</strong>
+                                {% if config.description %}
+                                <br><small class="text-muted">{{ config.description }}</small>
+                                {% endif %}
+                            </td>
+                            <td><code>{{ config.api_base }}</code></td>
+                            <td><code>{{ config.model or '默认' }}</code></td>
+                            <td>
+                                {% if config.is_active %}
+                                <span class="badge bg-success status-badge">启用</span>
+                                {% else %}
+                                <span class="badge bg-secondary status-badge">禁用</span>
+                                {% endif %}
+                            </td>
+                            <td>
+                                <button class="btn btn-sm btn-outline-primary" onclick="testConfig({{ config.id }})" title="测试连接">
+                                    <i class="bi bi-plug"></i>
+                                </button>
+                                <a href="{{ url_for('admin.edit_backup_llm', config_id=config.id) }}" class="btn btn-sm btn-outline-secondary" title="编辑">
+                                    <i class="bi bi-pencil"></i>
+                                </a>
+                                <button class="btn btn-sm btn-outline-warning" onclick="toggleConfig({{ config.id }})" title="切换状态">
+                                    <i class="bi bi-toggle2"></i>
+                                </button>
+                                <button class="btn btn-sm btn-outline-danger" onclick="deleteConfig({{ config.id }})" title="删除">
+                                    <i class="bi bi-trash"></i>
+                                </button>
+                            </td>
+                        </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+                
+                {% if not configs %}
+                <div class="text-center text-muted py-4">
+                    <i class="bi bi-cloud-slash" style="font-size: 2rem;"></i>
+                    <p>暂无备用大模型配置</p>
+                    <button class="btn btn-outline-primary" onclick="initDefaults()">点击初始化默认配置</button>
+                </div>
+                {% endif %}
+            </div>
+        </div>
+        
+        <div id="testResult" class="mt-3" style="display:none;"></div>
+    </main>
+    
+    <script>
+    function testConfig(id) {
+        const resultDiv = document.getElementById('testResult');
+        resultDiv.style.display = 'block';
+        resultDiv.innerHTML = '<div class="alert alert-info"><i class="bi bi-hourglass-split"></i> 正在测试连接...</div>';
+        
+        fetch(`/admin/backup-llm/${id}/test`, {method: 'POST'})
+        .then(r => r.json())
+        .then(res => {
+            if (res.success) {
+                resultDiv.innerHTML = `<div class="alert alert-success"><i class="bi bi-check-circle"></i> ${res.provider} 连接成功！模型: ${res.model}</div>`;
+            } else {
+                resultDiv.innerHTML = `<div class="alert alert-danger"><i class="bi bi-x-circle"></i> 连接失败: ${res.error}</div>`;
+            }
+        })
+        .catch(err => {
+            resultDiv.innerHTML = `<div class="alert alert-danger"><i class="bi bi-x-circle"></i> 请求失败: ${err}</div>`;
+        });
+    }
+    
+    function toggleConfig(id) {
+        fetch(`/admin/backup-llm/${id}/toggle`, {method: 'POST'})
+        .then(r => r.json())
+        .then(res => {
+            if (res.success) {
+                location.reload();
+            } else {
+                alert('操作失败');
+            }
+        });
+    }
+    
+    function deleteConfig(id) {
+        if (confirm('确定删除此备用大模型接口吗？')) {
+            fetch(`/admin/backup-llm/${id}/delete`, {method: 'POST'})
+            .then(r => r.json())
+            .then(res => {
+                if (res.success) {
+                    document.getElementById(`row-${id}`).remove();
+                } else {
+                    alert('删除失败');
+                }
+            });
+        }
+    }
+    
+    function initDefaults() {
+        if (confirm('初始化默认备用大模型配置？')) {
+            fetch('/admin/backup-llm/init', {method: 'POST'})
+            .then(r => r.json())
+            .then(res => {
+                if (res.success) {
+                    location.reload();
+                } else {
+                    alert('初始化失败');
+                }
+            });
+        }
+    }
+    </script>
+</body>
+</html>

templates/admin/backup_llm_form.html

@@ -0,0 +1,188 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <title>{{ config ? '编辑' : '添加' }}备用大模型接口 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
+    <style>
+        body { background-color: #f5f5f5; }
+        .sidebar { position: fixed; top: 0; left: 0; height: 100vh; width: 250px; background: #343a40; padding-top: 60px; }
+        .sidebar .nav-link { color: #adb5bd; padding: 12px 20px; }
+        .sidebar .nav-link:hover, .sidebar .nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }
+        .main-content { margin-left: 250px; padding: 20px; }
+    </style>
+</head>
+<body>
+    <nav class="sidebar">
+        <div class="position-absolute top-0 w-100 p-3 border-bottom border-secondary">
+            <h5 class="text-white mb-0"><i class="bi bi-gear-fill"></i> 后台管理</h5>
+        </div>
+        <ul class="nav flex-column">
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.dashboard') }}"><i class="bi bi-speedometer2"></i> 数据概览</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.users') }}"><i class="bi bi-people"></i> 用户管理</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.translations') }}"><i class="bi bi-file-text"></i> 翻译记录</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.cache_list') }}"><i class="bi bi-database"></i> 缓存管理</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.stats') }}"><i class="bi bi-bar-chart"></i> 统计报表</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.logs') }}"><i class="bi bi-list-check"></i> 操作日志</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.llm_config') }}"><i class="bi bi-cpu"></i> 大模型配置</a></li>
+            <li class="nav-item"><a class="nav-link active" href="{{ url_for('admin.backup_llm_list') }}"><i class="bi bi-cloud"></i> 备用大模型</a></li>
+            <li class="nav-item"><a class="nav-link" href="{{ url_for('admin.settings') }}"><i class="bi bi-sliders"></i> 系统配置</a></li>
+        </ul>
+        <div class="position-absolute bottom-0 w-100 p-3 border-top border-secondary">
+            <a href="/" class="btn btn-outline-light btn-sm w-100"><i class="bi bi-house"></i> 返回前台</a>
+        </div>
+    </nav>
+
+    <main class="main-content">
+        <div class="card">
+            <div class="card-header">
+                <h6 class="mb-0"><i class="bi bi-cloud-plus"></i> {{ config ? '编辑备用大模型接口' : '添加备用大模型接口' }}</h6>
+            </div>
+            <div class="card-body">
+                <form id="configForm" onsubmit="return saveConfig(event)">
+                    <div class="mb-3">
+                        <label class="form-label">服务商名称 <span class="text-danger">*</span></label>
+                        <input type="text" class="form-control" name="provider_name" 
+                               value="{{ config.provider_name if config else '' }}" 
+                               placeholder="例如: OpenAI, DeepSeek, 阿里百炼" required>
+                        <small class="text-muted">显示名称，方便识别</small>
+                    </div>
+                    
+                    <div class="mb-3">
+                        <label class="form-label">API地址 <span class="text-danger">*</span></label>
+                        <input type="text" class="form-control" name="api_base" 
+                               value="{{ config.api_base if config else '' }}" 
+                               placeholder="https://api.openai.com/v1" required>
+                        <small class="text-muted">LLM服务的API endpoint</small>
+                    </div>
+                    
+                    <div class="mb-3">
+                        <label class="form-label">API Key</label>
+                        <input type="text" class="form-control" name="api_key" 
+                               value="{{ config.api_key if config else '' }}" 
+                               placeholder="sk-xxx（可选）">
+                        <small class="text-muted">如果不需要可留空</small>
+                    </div>
+                    
+                    <div class="mb-3">
+                        <label class="form-label">默认模型</label>
+                        <input type="text" class="form-control" name="model" 
+                               value="{{ config.model if config else '' }}" 
+                               placeholder="gpt-4, deepseek-chat">
+                        <small class="text-muted">推荐使用的模型ID</small>
+                    </div>
+                    
+                    <div class="mb-3">
+                        <label class="form-label">备注</label>
+                        <input type="text" class="form-control" name="description" 
+                               value="{{ config.description if config else '' }}" 
+                               placeholder="接口说明">
+                    </div>
+                    
+                    <div class="row mb-3">
+                        <div class="col-md-6">
+                            <label class="form-label">排序</label>
+                            <input type="number" class="form-control" name="sort_order" 
+                                   value="{{ config.sort_order if config else 0 }}">
+                        </div>
+                        <div class="col-md-6">
+                            <label class="form-label">状态</label>
+                            <select class="form-select" name="is_active">
+                                <option value="true" {% if not config or config.is_active %}selected{% endif %}>启用</option>
+                                <option value="false" {% if config and not config.is_active %}selected{% endif %}>禁用</option>
+                            </select>
+                        </div>
+                    </div>
+                    
+                    <div class="mt-3">
+                        <button type="submit" class="btn btn-primary"><i class="bi bi-check-lg"></i> 保存</button>
+                        <button type="button" class="btn btn-outline-secondary" onclick="testConfig()"><i class="bi bi-plug"></i> 测试连接</button>
+                        <a href="{{ url_for('admin.backup_llm_list') }}" class="btn btn-outline-secondary"><i class="bi bi-arrow-left"></i> 返回</a>
+                    </div>
+                </form>
+                
+                <div id="testResult" class="mt-3" style="display:none;"></div>
+            </div>
+        </div>
+    </main>
+    
+    <script>
+    function saveConfig(e) {
+        e.preventDefault();
+        const formData = new FormData(document.getElementById('configForm'));
+        const data = {};
+        formData.forEach((value, key) => {
+            if (key === 'sort_order') {
+                data[key] = parseInt(value) || 0;
+            } else if (key === 'is_active') {
+                data[key] = value === 'true';
+            } else {
+                data[key] = value;
+            }
+        });
+        
+        {% if config %}
+        const url = `/admin/backup-llm/{{ config.id }}/edit`;
+        {% else %}
+        const url = '/admin/backup-llm/add';
+        {% endif %}
+        
+        fetch(url, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify(data)
+        })
+        .then(r => r.json())
+        .then(res => {
+            if (res.success) {
+                alert('保存成功！');
+                window.location.href = '/admin/backup-llm';
+            } else {
+                alert('保存失败: ' + (res.error || '未知错误'));
+            }
+        })
+        .catch(err => alert('请求失败: ' + err));
+        
+        return false;
+    }
+    
+    function testConfig() {
+        const formData = new FormData(document.getElementById('configForm'));
+        const resultDiv = document.getElementById('testResult');
+        resultDiv.style.display = 'block';
+        resultDiv.innerHTML = '<div class="alert alert-info"><i class="bi bi-hourglass-split"></i> 正在测试连接...</div>';
+        
+        // 先临时保存，然后测试
+        {% if config %}
+        // 已有配置，直接测试
+        fetch(`/admin/backup-llm/{{ config.id }}/test`, {method: 'POST'})
+        {% else %}
+        // 新配置，需要先创建
+        const data = {};
+        formData.forEach((value, key) => {
+            if (key === 'sort_order') data[key] = parseInt(value) || 0;
+            else if (key === 'is_active') data[key] = value === 'true';
+            else data[key] = value;
+        });
+        
+        // 直接用输入的数据测试（不保存）
+        resultDiv.innerHTML = '<div class="alert alert-warning"><i class="bi bi-info-circle"></i> 新配置请先保存后再测试</div>';
+        return;
+        {% endif %}
+        .then(r => r.json())
+        .then(res => {
+            if (res.success) {
+                resultDiv.innerHTML = `<div class="alert alert-success"><i class="bi bi-check-circle"></i> ${res.provider} 连接成功！模型: ${res.model}</div>`;
+            } else {
+                resultDiv.innerHTML = `<div class="alert alert-danger"><i class="bi bi-x-circle"></i> 连接失败: ${res.error}</div>`;
+            }
+        })
+        .catch(err => {
+            resultDiv.innerHTML = `<div class="alert alert-danger"><i class="bi bi-x-circle"></i> 请求失败: ${err}</div>`;
+        });
+    }
+    </script>
+</body>
+</html>

templates/admin/llm_config.html

@@ -90,20 +90,17 @@
         </div>
         
         <div class="card mt-3">
-            <div class="card-header"><h6 class="mb-0"><i class="bi bi-info-circle"></i> 常用模型配置参考</h6></div>
+            <div class="card-header d-flex justify-content-between align-items-center">
+                <h6 class="mb-0"><i class="bi bi-cloud"></i> 备用大模型接口</h6>
+                <a href="{{ url_for('admin.backup_llm_list') }}" class="btn btn-sm btn-outline-primary">
+                    <i class="bi bi-gear"></i> 管理备用接口
+                </a>
+            </div>
             <div class="card-body">
-                <table class="table table-sm">
+                <p class="text-muted">备用大模型接口用于主接口不可用时切换备用服务。支持手动新增、编辑、测试连接。</p>
-                    <thead class="table-light">
+                <a href="{{ url_for('admin.backup_llm_list') }}" class="btn btn-outline-secondary">
-                        <tr><th>服务商</th><th>API地址</th><th>模型示例</th></tr>
+                    <i class="bi bi-list"></i> 查看所有备用接口
-                    </thead>
+                </a>
-                    <tbody>
-                        <tr><td>本地LM Studio</td><td>http://localhost:1234/v1</td><td>根据加载的模型</td></tr>
-                        <tr><td>OpenAI</td><td>https://api.openai.com/v1</td><td>gpt-4, gpt-3.5-turbo</td></tr>
-                        <tr><td>DeepSeek</td><td>https://api.deepseek.com/v1</td><td>deepseek-chat</td></tr>
-                        <tr><td>阿里百炼</td><td>https://dashscope.aliyuncs.com/compatible-mode/v1</td><td>qwen-turbo, qwen-plus</td></tr>
-                        <tr><td>SiliconFlow</td><td>https://api.siliconflow.cn/v1</td><td>Qwen/Qwen2.5-72B-Instruct</td></tr>
-                    </tbody>
-                </table>
             </div>
         </div>
     </main>