feat: 后台管理增加提供商动态管理功能

- 新增：添加新的大模型接口提供商
- 新增：编辑已有提供商的参数（API地址、Key、模型列表等）
- 新增：删除提供商
- 新增：拖拽排序调整auto模式的优先级顺序
- 新增：启用/禁用提供商开关
- 优化：主服务动态读取配置，后台修改实时生效

admin/app.py

@@ -1,20 +1,27 @@
 """
 大模型API中转系统 - 后台管理系统
+支持动态添加、编辑、删除提供商和优先级调整
 """
 
 from flask import Flask, render_template, jsonify, request
 from flask_cors import CORS
 import json
 import time
+import uuid
 from datetime import datetime
 from pathlib import Path
 import sys
+import requests
 
 # 添加父目录到路径
 sys.path.insert(0, str(Path(__file__).parent.parent))
 from config.settings import (
-    UPSTREAM_PROVIDERS, MODEL_ALIASES, SERVER_CONFIG, 
-    LOG_CONFIG, RETRY_CONFIG
+    DEFAULT_PROVIDERS, DEFAULT_MODEL_ALIASES,
+    SERVER_CONFIG, LOG_CONFIG, RETRY_CONFIG,
+    load_config, save_config, get_providers, 
+    get_provider, add_provider, update_provider, 
+    delete_provider, update_priority, get_model_aliases,
+    update_model_alias
 )
 
 app = Flask(__name__)
@@ -24,11 +31,17 @@ CORS(app)
 DATA_DIR = Path(__file__).parent.parent / 'data'
 DATA_DIR.mkdir(exist_ok=True)
 STATS_FILE = DATA_DIR / 'stats.json'
+CONFIG_FILE = DATA_DIR / 'config.json'
 LOGS_DIR = Path(__file__).parent.parent / 'logs'
 
-# 提供商状态（从主程序同步）
+# 提供商状态缓存
 provider_status = {}
-for provider in UPSTREAM_PROVIDERS:
+
+def refresh_provider_status():
+    """刷新提供商状态"""
+    providers = get_providers()
+    for provider in providers:
+        if provider['name'] not in provider_status:
             provider_status[provider['name']] = {
                 'available': True,
                 'last_check': None,
@@ -86,40 +99,43 @@ def config_page():
 def api_stats():
     """获取统计数据"""
     stats = load_stats()
+    providers = get_providers()
+    refresh_provider_status()
     
     # 统计提供商状态
-    available_count = sum(1 for p in UPSTREAM_PROVIDERS if provider_status.get(p['name'], {}).get('available', True))
-    
-    # 今日请求
-    today = datetime.now().strftime('%Y-%m-%d')
+    available_count = sum(1 for p in providers if provider_status.get(p['name'], {}).get('available', True))
     
     return jsonify({
         'total_requests': stats.get('total_requests', 0),
         'total_success': stats.get('total_success', 0),
         'total_errors': stats.get('total_errors', 0),
         'total_tokens': stats.get('total_tokens', 0),
-        'providers_count': len(UPSTREAM_PROVIDERS),
+        'providers_count': len(providers),
         'available_providers': available_count,
-        'models_count': len(MODEL_ALIASES),
+        'models_count': len(get_model_aliases()),
         'uptime': time.time(),
     })
 
 @app.route('/api/providers')
 def api_providers():
     """获取提供商列表"""
+    providers = get_providers()
+    refresh_provider_status()
     stats = load_stats()
     providers_data = []
     
-    for provider in sorted(UPSTREAM_PROVIDERS, key=lambda x: x['priority']):
+    for provider in sorted(providers, key=lambda x: x['priority']):
         p_stats = stats.get('providers', {}).get(provider['name'], {})
         p_status = provider_status.get(provider['name'], {})
         
         providers_data.append({
+            'id': provider.get('id', provider['name'].lower().replace(' ', '-')),
             'name': provider['name'],
             'priority': provider['priority'],
             'enabled': provider['enabled'],
             'available': p_status.get('available', True),
             'base_url': provider['base_url'],
+            'api_key': provider['api_key'],
             'models': provider['models'],
             'default_model': provider['default_model'],
             'timeout': provider.get('timeout', 120),
@@ -132,17 +148,17 @@ def api_providers():
     
     return jsonify(providers_data)
 
-@app.route('/api/providers/<name>', methods=['GET'])
-def api_provider_detail(name):
+@app.route('/api/providers/<provider_id>', methods=['GET'])
+def api_provider_detail(provider_id):
     """获取提供商详情"""
-    provider = next((p for p in UPSTREAM_PROVIDERS if p['name'] == name), None)
+    provider = get_provider(provider_id)
     
     if not provider:
         return jsonify({'error': 'Provider not found'}), 404
     
     stats = load_stats()
-    p_stats = stats.get('providers', {}).get(name, {})
-    p_status = provider_status.get(name, {})
+    p_stats = stats.get('providers', {}).get(provider['name'], {})
+    p_status = provider_status.get(provider['name'], {})
     
     return jsonify({
         **provider,
@@ -155,18 +171,117 @@ def api_provider_detail(name):
         }
     })
 
-@app.route('/api/providers/<name>/toggle', methods=['POST'])
-def api_toggle_provider(name):
+@app.route('/api/providers', methods=['POST'])
+def api_add_provider():
+    """添加新提供商"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'error': 'Invalid request body'}), 400
+    
+    # 验证必填字段
+    required = ['name', 'base_url', 'api_key', 'models']
+    for field in required:
+        if not data.get(field):
+            return jsonify({'error': f'Missing required field: {field}'}), 400
+    
+    # 构建提供商数据
+    providers = get_providers()
+    max_priority = max([p['priority'] for p in providers]) if providers else 0
+    
+    new_provider = {
+        'id': data.get('id') or data['name'].lower().replace(' ', '-').replace('.', '-'),
+        'name': data['name'],
+        'priority': data.get('priority', max_priority + 1),
+        'base_url': data['base_url'].rstrip('/'),
+        'api_key': data['api_key'],
+        'models': data['models'] if isinstance(data['models'], list) else data['models'].split(','),
+        'default_model': data.get('default_model', data['models'][0] if isinstance(data['models'], list) else data['models'].split(',')[0]),
+        'timeout': data.get('timeout', 120),
+        'enabled': data.get('enabled', True),
+    }
+    
+    # 添加到配置
+    result = add_provider(new_provider)
+    
+    # 初始化状态
+    provider_status[result['name']] = {
+        'available': True,
+        'last_check': None,
+        'error_count': 0,
+        'last_error': None,
+    }
+    
+    return jsonify({'success': True, 'provider': result})
+
+@app.route('/api/providers/<provider_id>', methods=['PUT'])
+def api_update_provider(provider_id):
+    """更新提供商"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'error': 'Invalid request body'}), 400
+    
+    # 处理models字段
+    if 'models' in data and isinstance(data['models'], str):
+        data['models'] = [m.strip() for m in data['models'].split(',') if m.strip()]
+    
+    result = update_provider(provider_id, data)
+    
+    if not result:
+        return jsonify({'error': 'Provider not found'}), 404
+    
+    return jsonify({'success': True, 'provider': result})
+
+@app.route('/api/providers/<provider_id>', methods=['DELETE'])
+def api_delete_provider(provider_id):
+    """删除提供商"""
+    result = delete_provider(provider_id)
+    
+    if not result:
+        return jsonify({'error': 'Provider not found'}), 404
+    
+    # 清理状态
+    providers = get_providers()
+    for p in providers:
+        if p.get('id') == provider_id:
+            if p['name'] in provider_status:
+                del provider_status[p['name']]
+            break
+    
+    return jsonify({'success': True})
+
+@app.route('/api/providers/priority', methods=['POST'])
+def api_update_priority():
+    """更新优先级顺序（拖拽排序）"""
+    data = request.get_json()
+    
+    if not data or 'order' not in data:
+        return jsonify({'error': 'Missing order field'}), 400
+    
+    # order 是提供商ID列表，按新顺序排列
+    provider_ids = data['order']
+    result = update_priority(provider_ids)
+    
+    return jsonify({'success': True, 'providers': result})
+
+@app.route('/api/providers/<provider_id>/toggle', methods=['POST'])
+def api_toggle_provider(provider_id):
     """切换提供商启用状态"""
-    # 这里需要修改配置文件，简化处理只返回成功
-    return jsonify({'success': True, 'message': f'Provider {name} toggled'})
+    provider = get_provider(provider_id)
     
-@app.route('/api/providers/<name>/test', methods=['POST'])
-def api_test_provider(name):
+    if not provider:
+        return jsonify({'error': 'Provider not found'}), 404
+    
+    new_enabled = not provider.get('enabled', True)
+    result = update_provider(provider_id, {'enabled': new_enabled})
+    
+    return jsonify({'success': True, 'enabled': new_enabled})
+
+@app.route('/api/providers/<provider_id>/test', methods=['POST'])
+def api_test_provider(provider_id):
     """测试提供商连接"""
-    import requests
-    
-    provider = next((p for p in UPSTREAM_PROVIDERS if p['name'] == name), None)
+    provider = get_provider(provider_id)
     
     if not provider:
         return jsonify({'success': False, 'error': 'Provider not found'}), 404
@@ -179,23 +294,52 @@ def api_test_provider(name):
         response = requests.get(url, headers=headers, timeout=10)
         
         if response.status_code == 200:
-            provider_status[name]['available'] = True
-            provider_status[name]['last_check'] = datetime.now().isoformat()
-            return jsonify({'success': True, 'message': 'Connection successful'})
+            provider_status[provider['name']] = {
+                'available': True,
+                'last_check': datetime.now().isoformat(),
+                'error_count': 0,
+                'last_error': None,
+            }
+            # 尝试解析返回的模型列表
+            models_data = []
+            try:
+                resp_json = response.json()
+                models_data = resp_json.get('data', [])
+            except:
+                pass
+            
+            return jsonify({
+                'success': True, 
+                'message': 'Connection successful',
+                'models_count': len(models_data)
+            })
         else:
+            provider_status[provider['name']] = {
+                'available': False,
+                'last_check': datetime.now().isoformat(),
+                'error_count': provider_status.get(provider['name'], {}).get('error_count', 0) + 1,
+                'last_error': f'HTTP {response.status_code}',
+            }
             return jsonify({
                 'success': False, 
                 'error': f'HTTP {response.status_code}: {response.text[:200]}'
             })
             
     except Exception as e:
-        provider_status[name]['available'] = False
-        provider_status[name]['last_error'] = str(e)
+        provider_status[provider['name']] = {
+            'available': False,
+            'last_check': datetime.now().isoformat(),
+            'error_count': provider_status.get(provider['name'], {}).get('error_count', 0) + 1,
+            'last_error': str(e),
+        }
         return jsonify({'success': False, 'error': str(e)})
 
 @app.route('/api/models')
 def api_models():
     """获取模型列表"""
+    providers = get_providers()
+    aliases = get_model_aliases()
+    
     models_list = []
     added = set()
     
@@ -208,7 +352,7 @@ def api_models():
     added.add('auto')
     
     # 从提供商获取模型
-    for provider in UPSTREAM_PROVIDERS:
+    for provider in sorted(providers, key=lambda x: x['priority']):
         for model in provider['models']:
             if model not in added:
                 models_list.append({
@@ -220,11 +364,11 @@ def api_models():
                 added.add(model)
     
     # 添加别名
-    for alias, target in MODEL_ALIASES.items():
+    for alias, target in aliases.items():
         if alias != 'auto' and alias not in added:
             # 找到目标模型对应的提供商
             provider_name = None
-            for p in UPSTREAM_PROVIDERS:
+            for p in providers:
                 if target in p['models']:
                     provider_name = p['name']
                     break
@@ -255,22 +399,33 @@ def api_logs():
 @app.route('/api/config')
 def api_config():
     """获取配置"""
+    providers = get_providers()
+    aliases = get_model_aliases()
+    
     return jsonify({
         'providers': [{
+            'id': p.get('id', p['name'].lower().replace(' ', '-')),
             'name': p['name'],
             'priority': p['priority'],
             'base_url': p['base_url'],
             'models': p['models'],
             'timeout': p.get('timeout', 120),
             'enabled': p['enabled'],
-        } for p in UPSTREAM_PROVIDERS],
-        'model_aliases': MODEL_ALIASES,
+        } for p in providers],
+        'model_aliases': aliases,
         'retry_config': RETRY_CONFIG,
         'server_config': {
             'port': SERVER_CONFIG['port'],
         }
     })
 
+@app.route('/api/reload', methods=['POST'])
+def api_reload_config():
+    """通知主服务重新加载配置"""
+    # 这个接口可以被主服务调用以重新加载配置
+    # 这里只返回成功，实际重载由主服务自己处理
+    return jsonify({'success': True, 'message': 'Config saved, restart main service to apply'})
+
 @app.route('/api/requests/recent')
 def api_recent_requests():
     """获取最近请求记录"""

admin/templates/providers.html

@@ -8,6 +8,8 @@
     <link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
     <style>
         .gradient-bg { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); }
+        .dragging { opacity: 0.5; transform: scale(1.02); }
+        .drag-over { border: 2px dashed #6366f1; }
     </style>
 </head>
 <body class="bg-gray-50 min-h-screen">
@@ -40,58 +42,162 @@
         </aside>
 
         <main class="ml-64 flex-1 p-8">
-            <h1 class="text-2xl font-bold text-gray-800 mb-6">提供商管理</h1>
+            <!-- 顶部操作栏 -->
+            <div class="flex justify-between items-center mb-6">
+                <div>
+                    <h1 class="text-2xl font-bold text-gray-800">提供商管理</h1>
+                    <p class="text-gray-500 text-sm mt-1">拖拽卡片调整优先级顺序（auto模式选择顺序）</p>
+                </div>
+                <button onclick="showAddModal()" class="px-4 py-2 gradient-bg text-white rounded-lg hover:opacity-90 transition">
+                    <i class="ri-add-line mr-1"></i> 添加提供商
+                </button>
+            </div>
 
-            <!-- 提供商列表 -->
+            <!-- 提供商列表（可拖拽） -->
             <div id="providerList" class="space-y-4">
                 <p class="text-gray-500">加载中...</p>
             </div>
+            
+            <!-- 优先级排序提示 -->
+            <div class="mt-6 p-4 bg-blue-50 rounded-lg text-sm text-blue-600">
+                <i class="ri-information-line mr-1"></i>
+                <strong>Auto模式优先级：</strong> 当使用 model="auto" 时，系统会按优先级顺序依次尝试可用的提供商。拖拽上方卡片可调整顺序。
+            </div>
         </main>
     </div>
 
+    <!-- 添加/编辑提供商弹窗 -->
+    <div id="editModal" class="fixed inset-0 bg-black/50 hidden items-center justify-center z-50 p-4">
+        <div class="bg-white rounded-xl w-full max-w-xl max-h-[90vh] overflow-hidden flex flex-col">
+            <div class="p-6 border-b flex justify-between items-center">
+                <h2 class="text-xl font-bold text-gray-800" id="modalTitle">添加提供商</h2>
+                <button onclick="closeModal()" class="text-gray-400 hover:text-gray-600">
+                    <i class="ri-close-line text-2xl"></i>
+                </button>
+            </div>
+            <form id="providerForm" class="p-6 overflow-auto flex-1 space-y-4">
+                <input type="hidden" id="providerId" name="id">
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">提供商名称 *</label>
+                    <input type="text" id="providerName" name="name" required
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500"
+                        placeholder="例如: OpenAI GPT-4">
+                </div>
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">API地址 *</label>
+                    <input type="text" id="providerBaseUrl" name="base_url" required
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500"
+                        placeholder="例如: https://api.openai.com/v1">
+                </div>
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">API Key *</label>
+                    <input type="text" id="providerApiKey" name="api_key" required
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500"
+                        placeholder="例如: sk-xxx...">
+                </div>
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">支持模型（逗号分隔）*</label>
+                    <input type="text" id="providerModels" name="models" required
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500"
+                        placeholder="例如: gpt-4, gpt-3.5-turbo">
+                    <p class="text-xs text-gray-500 mt-1">多个模型用逗号分隔</p>
+                </div>
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">默认模型</label>
+                    <input type="text" id="providerDefaultModel" name="default_model"
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500"
+                        placeholder="留空则使用第一个模型">
+                </div>
+                
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">超时时间（秒）</label>
+                    <input type="number" id="providerTimeout" name="timeout" value="120"
+                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500">
+                </div>
+                
+                <div class="flex items-center gap-2">
+                    <input type="checkbox" id="providerEnabled" name="enabled" checked
+                        class="w-4 h-4 text-purple-600 rounded focus:ring-purple-500">
+                    <label class="text-sm text-gray-700">启用此提供商</label>
+                </div>
+            </form>
+            <div class="p-6 border-t bg-gray-50 flex justify-end gap-3">
+                <button onclick="closeModal()" class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-100">
+                    取消
+                </button>
+                <button onclick="testConnection()" class="px-4 py-2 bg-green-500 text-white rounded-lg hover:bg-green-600">
+                    <i class="ri-refresh-line mr-1"></i> 测试连接
+                </button>
+                <button onclick="saveProvider()" class="px-4 py-2 gradient-bg text-white rounded-lg hover:opacity-90">
+                    <i class="ri-save-line mr-1"></i> 保存
+                </button>
+            </div>
+        </div>
+    </div>
+
     <!-- 详情弹窗 -->
     <div id="detailModal" class="fixed inset-0 bg-black/50 hidden items-center justify-center z-50 p-4">
         <div class="bg-white rounded-xl w-full max-w-2xl max-h-[80vh] overflow-hidden flex flex-col">
             <div class="p-6 border-b flex justify-between items-center">
-                <h2 class="text-xl font-bold text-gray-800" id="modalTitle">提供商详情</h2>
-                <button onclick="closeModal()" class="text-gray-400"><i class="ri-close-line text-2xl"></i></button>
+                <h2 class="text-xl font-bold text-gray-800" id="detailModalTitle">提供商详情</h2>
+                <button onclick="closeDetailModal()" class="text-gray-400 hover:text-gray-600">
+                    <i class="ri-close-line text-2xl"></i>
+                </button>
             </div>
-            <div class="p-6 overflow-auto flex-1" id="modalContent"></div>
+            <div class="p-6 overflow-auto flex-1" id="detailModalContent"></div>
         </div>
     </div>
 
     <script>
+        let providers = [];
+        let draggedItem = null;
+
+        // 加载提供商列表
         async function loadProviders() {
             const res = await fetch('/api/providers');
-            const providers = await res.json();
+            providers = await res.json();
             
             const container = document.getElementById('providerList');
             
             if (providers.length === 0) {
-                container.innerHTML = '<p class="text-gray-500">暂无提供商</p>';
+                container.innerHTML = `
+                    <div class="text-center py-12">
+                        <i class="ri-server-line text-6xl text-gray-300 mb-4"></i>
+                        <p class="text-gray-500 mb-4">暂无提供商，点击上方按钮添加</p>
+                    </div>
+                `;
                 return;
             }
             
             container.innerHTML = providers.map(p => `
-                <div class="bg-white rounded-xl border border-gray-100 overflow-hidden">
+                <div class="provider-card bg-white rounded-xl border border-gray-100 overflow-hidden cursor-move"
+                     data-id="${p.id}" draggable="true"
+                     ondragstart="handleDragStart(event)" ondragend="handleDragEnd(event)"
+                     ondragover="handleDragOver(event)" ondrop="handleDrop(event)">
                     <div class="p-6">
                         <div class="flex items-center justify-between mb-4">
                             <div class="flex items-center gap-3">
-                                <span class="w-10 h-10 ${p.available ? 'bg-green-500' : 'bg-red-500'} text-white rounded-lg flex items-center justify-center text-lg font-bold">
+                                <span class="w-10 h-10 ${p.available ? 'bg-green-500' : 'bg-red-500'} text-white rounded-lg flex items-center justify-center text-lg font-bold cursor-grab">
                                     ${p.priority}
                                 </span>
                                 <div>
                                     <h3 class="font-semibold text-gray-800 text-lg">${p.name}</h3>
-                                    <p class="text-sm text-gray-500">优先级 ${p.priority}</p>
+                                    <p class="text-sm text-gray-500">优先级 ${p.priority} · ${p.enabled ? '已启用' : '已禁用'}</p>
                                 </div>
                             </div>
-                            <div class="flex items-center gap-3">
+                            <div class="flex items-center gap-2">
                                 <span class="px-3 py-1 rounded-full text-sm ${p.available ? 'bg-green-100 text-green-600' : 'bg-red-100 text-red-600'}">
                                     ${p.available ? '● 可用' : '○ 不可用'}
                                 </span>
-                                <span class="px-3 py-1 rounded-full text-sm ${p.enabled ? 'bg-blue-100 text-blue-600' : 'bg-gray-100 text-gray-600'}">
-                                    ${p.enabled ? '已启用' : '已禁用'}
-                                </span>
+                                <button onclick="toggleProvider('${p.id}')" 
+                                    class="px-3 py-1 rounded-full text-sm ${p.enabled ? 'bg-blue-100 text-blue-600' : 'bg-gray-100 text-gray-600'} hover:opacity-80">
+                                    ${p.enabled ? 'ON' : 'OFF'}
+                                </button>
                             </div>
                         </div>
                         
@@ -117,12 +223,18 @@
                         </div>
                         
                         <div class="flex gap-2">
-                            <button onclick="testProvider('${p.name}')" class="px-4 py-2 bg-green-500 text-white rounded-lg text-sm hover:bg-green-600">
-                                <i class="ri-refresh-line mr-1"></i> 测试连接
+                            <button onclick="testProvider('${p.id}')" class="px-4 py-2 bg-green-500 text-white rounded-lg text-sm hover:bg-green-600">
+                                <i class="ri-refresh-line mr-1"></i> 测试
                             </button>
-                            <button onclick="viewDetail('${p.name}')" class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg text-sm hover:bg-gray-50">
+                            <button onclick="editProvider('${p.id}')" class="px-4 py-2 bg-blue-500 text-white rounded-lg text-sm hover:bg-blue-600">
+                                <i class="ri-edit-line mr-1"></i> 编辑
+                            </button>
+                            <button onclick="viewDetail('${p.id}')" class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg text-sm hover:bg-gray-50">
                                 <i class="ri-eye-line mr-1"></i> 详情
                             </button>
+                            <button onclick="deleteProvider('${p.id}')" class="px-4 py-2 bg-red-500 text-white rounded-lg text-sm hover:bg-red-600">
+                                <i class="ri-delete-bin-line mr-1"></i> 删除
+                            </button>
                         </div>
                         
                         ${p.last_error ? `
@@ -135,17 +247,214 @@
             `).join('');
         }
 
-        async function testProvider(name) {
-            const btn = event.target;
+        // 拖拽相关
+        function handleDragStart(e) {
+            draggedItem = e.target.closest('.provider-card');
+            draggedItem.classList.add('dragging');
+            e.dataTransfer.effectAllowed = 'move';
+        }
+
+        function handleDragEnd(e) {
+            e.target.closest('.provider-card').classList.remove('dragging');
+            document.querySelectorAll('.provider-card').forEach(card => {
+                card.classList.remove('drag-over');
+            });
+        }
+
+        function handleDragOver(e) {
+            e.preventDefault();
+            const card = e.target.closest('.provider-card');
+            if (card && card !== draggedItem) {
+                card.classList.add('drag-over');
+            }
+        }
+
+        function handleDrop(e) {
+            e.preventDefault();
+            const targetCard = e.target.closest('.provider-card');
+            if (!targetCard || targetCard === draggedItem) return;
+            
+            targetCard.classList.remove('drag-over');
+            
+            // 重新排序
+            const container = document.getElementById('providerList');
+            const cards = [...container.querySelectorAll('.provider-card')];
+            const draggedIndex = cards.indexOf(draggedItem);
+            const targetIndex = cards.indexOf(targetCard);
+            
+            if (draggedIndex < targetIndex) {
+                targetCard.after(draggedItem);
+            } else {
+                targetCard.before(draggedItem);
+            }
+            
+            // 更新优先级
+            updatePriority();
+        }
+
+        async function updatePriority() {
+            const cards = document.querySelectorAll('.provider-card');
+            const order = [...cards].map(card => card.dataset.id);
+            
+            try {
+                const res = await fetch('/api/providers/priority', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ order })
+                });
+                
+                const data = await res.json();
+                if (data.success) {
+                    // 重新加载以更新显示的优先级数字
+                    loadProviders();
+                }
+            } catch (e) {
+                console.error('更新优先级失败:', e);
+            }
+        }
+
+        // 弹窗操作
+        function showAddModal() {
+            document.getElementById('modalTitle').textContent = '添加提供商';
+            document.getElementById('providerForm').reset();
+            document.getElementById('providerId').value = '';
+            document.getElementById('providerEnabled').checked = true;
+            document.getElementById('providerTimeout').value = 120;
+            
+            document.getElementById('editModal').classList.remove('hidden');
+            document.getElementById('editModal').classList.add('flex');
+        }
+
+        async function editProvider(id) {
+            const provider = providers.find(p => p.id === id);
+            if (!provider) return;
+            
+            document.getElementById('modalTitle').textContent = '编辑提供商';
+            document.getElementById('providerId').value = provider.id;
+            document.getElementById('providerName').value = provider.name;
+            document.getElementById('providerBaseUrl').value = provider.base_url;
+            document.getElementById('providerApiKey').value = provider.api_key;
+            document.getElementById('providerModels').value = provider.models.join(', ');
+            document.getElementById('providerDefaultModel').value = provider.default_model || '';
+            document.getElementById('providerTimeout').value = provider.timeout || 120;
+            document.getElementById('providerEnabled').checked = provider.enabled;
+            
+            document.getElementById('editModal').classList.remove('hidden');
+            document.getElementById('editModal').classList.add('flex');
+        }
+
+        function closeModal() {
+            document.getElementById('editModal').classList.add('hidden');
+            document.getElementById('editModal').classList.remove('flex');
+        }
+
+        async function saveProvider() {
+            const id = document.getElementById('providerId').value;
+            const name = document.getElementById('providerName').value.trim();
+            const base_url = document.getElementById('providerBaseUrl').value.trim();
+            const api_key = document.getElementById('providerApiKey').value.trim();
+            const modelsStr = document.getElementById('providerModels').value.trim();
+            const default_model = document.getElementById('providerDefaultModel').value.trim();
+            const timeout = parseInt(document.getElementById('providerTimeout').value) || 120;
+            const enabled = document.getElementById('providerEnabled').checked;
+            
+            // 验证
+            if (!name || !base_url || !api_key || !modelsStr) {
+                alert('请填写所有必填字段！');
+                return;
+            }
+            
+            const models = modelsStr.split(',').map(m => m.trim()).filter(m => m);
+            
+            const data = {
+                name,
+                base_url,
+                api_key,
+                models,
+                default_model: default_model || models[0],
+                timeout,
+                enabled
+            };
+            
+            try {
+                let res;
+                if (id) {
+                    // 编辑
+                    res = await fetch(`/api/providers/${id}`, {
+                        method: 'PUT',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify(data)
+                    });
+                } else {
+                    // 新增
+                    res = await fetch('/api/providers', {
+                        method: 'POST',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify(data)
+                    });
+                }
+                
+                const result = await res.json();
+                
+                if (result.success) {
+                    closeModal();
+                    loadProviders();
+                    alert(id ? '✅ 提供商已更新！' : '✅ 提供商已添加！');
+                } else {
+                    alert('❌ 操作失败: ' + result.error);
+                }
+            } catch (e) {
+                alert('保存失败: ' + e.message);
+            }
+        }
+
+        async function testConnection() {
+            const base_url = document.getElementById('providerBaseUrl').value.trim();
+            const api_key = document.getElementById('providerApiKey').value.trim();
+            
+            if (!base_url || !api_key) {
+                alert('请先填写 API 地址和 Key');
+                return;
+            }
+            
+            try {
+                const url = base_url.replace(/\/$/, '') + '/models';
+                const res = await fetch(url, {
+                    headers: { 'Authorization': `Bearer ${api_key}` }
+                });
+                
+                if (res.ok) {
+                    const data = await res.json();
+                    const models = data.data || [];
+                    alert(`✅ 连接成功！找到 ${models.length} 个模型`);
+                    
+                    // 如果模型列表为空，提示可以填入
+                    if (models.length > 0 && !document.getElementById('providerModels').value.trim()) {
+                        const modelIds = models.map(m => m.id).slice(0, 5).join(', ');
+                        document.getElementById('providerModels').value = modelIds;
+                    }
+                } else {
+                    alert(`❌ 连接失败: HTTP ${res.status}`);
+                }
+            } catch (e) {
+                alert('❌ 连接失败: ' + e.message);
+            }
+        }
+
+        async function testProvider(id) {
+            const provider = providers.find(p => p.id === id);
+            if (!provider) return;
+            
+            const btn = event.target.closest('button');
             btn.disabled = true;
             btn.innerHTML = '<i class="ri-loader-4-line animate-spin mr-1"></i> 测试中...';
             
             try {
-                const res = await fetch(`/api/providers/${name}/test`, { method: 'POST' });
+                const res = await fetch(`/api/providers/${id}/test`, { method: 'POST' });
                 const data = await res.json();
                 
                 if (data.success) {
-                    alert('✅ 连接成功！');
+                    alert(`✅ 连接成功！找到 ${data.models_count || '?'} 个模型`);
                 } else {
                     alert('❌ 连接失败: ' + data.error);
                 }
@@ -154,18 +463,58 @@
             }
             
             btn.disabled = false;
-            btn.innerHTML = '<i class="ri-refresh-line mr-1"></i> 测试连接';
+            btn.innerHTML = '<i class="ri-refresh-line mr-1"></i> 测试';
             loadProviders();
         }
 
-        async function viewDetail(name) {
-            const res = await fetch(`/api/providers/${name}`);
+        async function toggleProvider(id) {
+            try {
+                const res = await fetch(`/api/providers/${id}/toggle`, { method: 'POST' });
                 const data = await res.json();
                 
-            document.getElementById('modalTitle').textContent = data.name;
-            document.getElementById('modalContent').innerHTML = `
+                if (data.success) {
+                    loadProviders();
+                }
+            } catch (e) {
+                alert('切换失败: ' + e.message);
+            }
+        }
+
+        async function deleteProvider(id) {
+            const provider = providers.find(p => p.id === id);
+            if (!provider) return;
+            
+            if (!confirm(`确定删除提供商 "${provider.name}"？此操作不可恢复！`)) {
+                return;
+            }
+            
+            try {
+                const res = await fetch(`/api/providers/${id}`, { method: 'DELETE' });
+                const data = await res.json();
+                
+                if (data.success) {
+                    loadProviders();
+                    alert('✅ 提供商已删除');
+                } else {
+                    alert('❌ 删除失败: ' + data.error);
+                }
+            } catch (e) {
+                alert('删除失败: ' + e.message);
+            }
+        }
+
+        async function viewDetail(id) {
+            const res = await fetch(`/api/providers/${id}`);
+            const data = await res.json();
+            
+            document.getElementById('detailModalTitle').textContent = data.name;
+            document.getElementById('detailModalContent').innerHTML = `
                 <div class="space-y-4">
                     <div class="grid grid-cols-2 gap-4">
+                        <div>
+                            <p class="text-sm text-gray-500">ID</p>
+                            <p class="font-medium">${data.id}</p>
+                        </div>
                         <div>
                             <p class="text-sm text-gray-500">API地址</p>
                             <p class="font-medium">${data.base_url}</p>
@@ -182,6 +531,12 @@
                             <p class="text-sm text-gray-500">超时</p>
                             <p class="font-medium">${data.timeout}s</p>
                         </div>
+                        <div>
+                            <p class="text-sm text-gray-500">状态</p>
+                            <p class="font-medium ${data.enabled ? 'text-green-600' : 'text-gray-500'}">
+                                ${data.enabled ? '已启用' : '已禁用'}
+                            </p>
+                        </div>
                     </div>
                     
                     <div>
@@ -192,7 +547,7 @@
                     </div>
                     
                     <div class="p-4 bg-gray-50 rounded-lg">
-                        <h4 class="font-medium mb-2">状态信息</h4>
+                        <h4 class="font-medium mb-2">运行状态</h4>
                         <div class="grid grid-cols-2 gap-4 text-sm">
                             <div>
                                 <p class="text-gray-500">可用状态</p>
@@ -212,7 +567,22 @@
                                 <p class="text-gray-500">成功次数</p>
                                 <p>${data.status.success_count}</p>
                             </div>
+                            ${data.status.last_error ? `
+                                <div class="col-span-2">
+                                    <p class="text-gray-500">最后错误</p>
+                                    <p class="text-red-600">${data.status.last_error}</p>
                                 </div>
+                            ` : ''}
+                        </div>
+                    </div>
+                    
+                    <div class="flex gap-2 pt-4">
+                        <button onclick="closeDetailModal(); editProvider('${data.id}')" class="px-4 py-2 bg-blue-500 text-white rounded-lg text-sm hover:bg-blue-600">
+                            <i class="ri-edit-line mr-1"></i> 编辑
+                        </button>
+                        <button onclick="testProvider('${data.id}'); closeDetailModal()" class="px-4 py-2 bg-green-500 text-white rounded-lg text-sm hover:bg-green-600">
+                            <i class="ri-refresh-line mr-1"></i> 测试连接
+                        </button>
                     </div>
                 </div>
             `;
@@ -221,11 +591,12 @@
             document.getElementById('detailModal').classList.add('flex');
         }
 
-        function closeModal() {
+        function closeDetailModal() {
             document.getElementById('detailModal').classList.add('hidden');
             document.getElementById('detailModal').classList.remove('flex');
         }
 
+        // 初始化
         loadProviders();
     </script>
 </body>

app.py

@@ -16,13 +16,39 @@ import sys
 # 添加配置路径
 sys.path.insert(0, str(Path(__file__).parent))
 from config.settings import (
-    UPSTREAM_PROVIDERS, MODEL_ALIASES, SERVER_CONFIG, 
+    get_providers, get_model_aliases, SERVER_CONFIG, 
     LOG_CONFIG, RETRY_CONFIG
 )
 
 app = Flask(__name__)
 CORS(app)
 
+# 配置缓存时间（秒）
+CONFIG_CACHE_TTL = 5
+_last_config_load = 0
+_cached_providers = []
+_cached_aliases = {}
+
+def refresh_config():
+    """动态刷新配置（支持后台管理修改）"""
+    global _last_config_load, _cached_providers, _cached_aliases, provider_status
+    
+    current_time = time.time()
+    if current_time - _last_config_load > CONFIG_CACHE_TTL:
+        _cached_providers = get_providers()
+        _cached_aliases = get_model_aliases()
+        _last_config_load = current_time
+        
+        # 更新提供商状态缓存（新增的提供商）
+        for provider in _cached_providers:
+            if provider['name'] not in provider_status:
+                provider_status[provider['name']] = {
+                    'available': True,
+                    'last_check': None,
+                    'error_count': 0,
+                    'last_error': None,
+                }
+
 # 配置日志
 log_dir = Path(__file__).parent / LOG_CONFIG['log_dir']
 log_dir.mkdir(exist_ok=True)
@@ -39,31 +65,29 @@ logger = logging.getLogger(__name__)
 
 # 提供商状态缓存
 provider_status = {}
-for provider in UPSTREAM_PROVIDERS:
-    provider_status[provider['name']] = {
-        'available': True,
-        'last_check': None,
-        'error_count': 0,
-        'last_error': None,
-    }
+
+# 初始化
+refresh_config()
 
 
 def get_provider_for_model(model_name):
     """根据模型名获取提供商"""
+    refresh_config()
+    
     # 解析别名
-    resolved_model = MODEL_ALIASES.get(model_name, model_name)
+    resolved_model = _cached_aliases.get(model_name, model_name)
     
     # auto模式：按优先级选择可用提供商
     if resolved_model == 'auto':
         return get_available_provider()
     
     # 查找支持该模型的提供商
-    sorted_providers = sorted(UPSTREAM_PROVIDERS, key=lambda x: x['priority'])
+    sorted_providers = sorted(_cached_providers, key=lambda x: x['priority'])
     
     for provider in sorted_providers:
         if not provider['enabled']:
             continue
-        if not provider_status[provider['name']]['available']:
+        if not provider_status.get(provider['name'], {}).get('available', True):
             continue
         if resolved_model in provider['models']:
             return provider, resolved_model
@@ -72,7 +96,7 @@ def get_provider_for_model(model_name):
     for provider in sorted_providers:
         if not provider['enabled']:
             continue
-        if not provider_status[provider['name']]['available']:
+        if not provider_status.get(provider['name'], {}).get('available', True):
             continue
         for m in provider['models']:
             if resolved_model.lower() in m.lower() or m.lower() in resolved_model.lower():
@@ -83,10 +107,12 @@ def get_provider_for_model(model_name):
 
 def get_available_provider():
     """获取可用的提供商（按优先级）"""
-    sorted_providers = sorted(UPSTREAM_PROVIDERS, key=lambda x: x['priority'])
+    refresh_config()
+    
+    sorted_providers = sorted(_cached_providers, key=lambda x: x['priority'])
     
     for provider in sorted_providers:
-        if provider['enabled'] and provider_status[provider['name']]['available']:
+        if provider['enabled'] and provider_status.get(provider['name'], {}).get('available', True):
             return provider, provider['default_model']
     
     # 如果都不可用，返回第一个尝试（让错误信息传递）
@@ -194,10 +220,12 @@ def index():
 @app.route('/v1/models', methods=['GET'])
 def list_models():
     """列出可用模型"""
+    refresh_config()
+    
     models_list = []
     added_models = set()
     
-    for provider in UPSTREAM_PROVIDERS:
+    for provider in _cached_providers:
         if not provider['enabled']:
             continue
         for model in provider['models']:
@@ -328,12 +356,15 @@ def chat_completions():
 @app.route('/v1/embeddings', methods=['POST'])
 def embeddings():
     """嵌入API（简单转发）"""
+    refresh_config()
+    
     try:
         data = request.get_json()
         model = data.get('model', 'text-embedding-ada-002')
         
         # 使用第一个可用提供商
-        provider = UPSTREAM_PROVIDERS[0]
+        if _cached_providers:
+            provider = _cached_providers[0]
             
             url = f"{provider['base_url'].rstrip('/')}/embeddings"
             headers = {
@@ -343,6 +374,8 @@ def embeddings():
             
             response = requests.post(url, headers=headers, json=data, timeout=60)
             return jsonify(response.json()), response.status_code
+        else:
+            return jsonify({"error": "No providers available"}), 503
         
     except Exception as e:
         return jsonify({"error": str(e)}), 500
@@ -367,9 +400,11 @@ def health():
 @app.route('/status', methods=['GET'])
 def status():
     """详细状态"""
+    refresh_config()
+    
     providers_detail = []
     
-    for provider in UPSTREAM_PROVIDERS:
+    for provider in _cached_providers:
         status_info = provider_status.get(provider['name'], {})
         providers_detail.append({
             "name": provider['name'],
@@ -385,7 +420,7 @@ def status():
         "version": "1.0.0",
         "uptime": time.time(),
         "providers": providers_detail,
-        "model_aliases": MODEL_ALIASES,
+        "model_aliases": _cached_aliases,
     })
 
 
@@ -405,6 +440,8 @@ def engine_completions(model):
 
 
 if __name__ == '__main__':
+    refresh_config()
+    
     print("=" * 60)
     print("大模型API中转系统")
     print("=" * 60)
@@ -412,12 +449,12 @@ if __name__ == '__main__':
     print(f"API端点: http://localhost:{SERVER_CONFIG['port']}/v1/chat/completions")
     print("=" * 60)
     print("上游提供商:")
-    for p in sorted(UPSTREAM_PROVIDERS, key=lambda x: x['priority']):
+    for p in sorted(_cached_providers, key=lambda x: x['priority']):
         print(f"  [{p['priority']}] {p['name']}: {p['base_url']}")
         print(f"       模型: {', '.join(p['models'])}")
     print("=" * 60)
     print("支持的模型别名:")
-    for alias, target in MODEL_ALIASES.items():
+    for alias, target in _cached_aliases.items():
         print(f"  {alias} -> {target}")
     print("=" * 60)
     

config/settings.py

@@ -1,12 +1,19 @@
 """
-大模型API中转系统配置
+大模型API中转系统配置 - 支持动态修改
 """
 
-# 上游模型配置（按优先级排序，从高到低）
-UPSTREAM_PROVIDERS = [
+import json
+from pathlib import Path
+
+# 配置文件路径
+CONFIG_FILE = Path(__file__).parent.parent / 'data' / 'config.json'
+
+# 默认上游模型配置
+DEFAULT_PROVIDERS = [
     {
-        "name": "local-qwen",
-        "priority": 1,  # 数字越小优先级越高
+        "id": "local-qwen",
+        "name": "Local Qwen",
+        "priority": 1,
         "base_url": "http://192.168.2.5:1234/v1",
         "api_key": "sk-lm-fuP5tGU8:Hi7YU87jHyDP6Ay8Tl2j",
         "models": ["qwen3.5-4b", "qwen3.5", "qwen"],
@@ -15,7 +22,8 @@ UPSTREAM_PROVIDERS = [
         "enabled": True,
     },
     {
-        "name": "siliconflow-deepseek",
+        "id": "siliconflow-deepseek",
+        "name": "SiliconFlow DeepSeek",
         "priority": 2,
         "base_url": "https://api.siliconflow.cn/v1",
         "api_key": "sk-fhpoexpptvjghpnphtaxbkhjwulzovoqfffbckcfscjmwhcg",
@@ -26,22 +34,118 @@ UPSTREAM_PROVIDERS = [
     },
 ]
 
-# 模型别名映射
-MODEL_ALIASES = {
-    # auto 自动选择可用模型
+# 默认模型别名
+DEFAULT_MODEL_ALIASES = {
     "auto": "auto",
-    
-    # Qwen别名
     "qwen": "qwen3.5-4b",
     "qwen3.5": "qwen3.5-4b",
     "qwen3.5-4b": "qwen3.5-4b",
-    
-    # DeepSeek别名
     "deepseek": "Pro/deepseek-ai/DeepSeek-V3.2",
     "deepseek-v3": "Pro/deepseek-ai/DeepSeek-V3.2",
     "deepseek-v3.2": "Pro/deepseek-ai/DeepSeek-V3.2",
 }
 
+def load_config():
+    """加载配置"""
+    if CONFIG_FILE.exists():
+        try:
+            data = json.loads(CONFIG_FILE.read_text(encoding='utf-8'))
+            return data
+        except:
+            pass
+    return {
+        "providers": DEFAULT_PROVIDERS,
+        "model_aliases": DEFAULT_MODEL_ALIASES,
+    }
+
+def save_config(config):
+    """保存配置"""
+    CONFIG_FILE.parent.mkdir(parents=True, exist_ok=True)
+    CONFIG_FILE.write_text(json.dumps(config, ensure_ascii=False, indent=2), encoding='utf-8')
+
+def get_providers():
+    """获取提供商列表"""
+    config = load_config()
+    return config.get("providers", DEFAULT_PROVIDERS)
+
+def get_provider(provider_id):
+    """获取单个提供商"""
+    providers = get_providers()
+    for p in providers:
+        if p.get("id") == provider_id:
+            return p
+    return None
+
+def add_provider(provider):
+    """添加提供商"""
+    config = load_config()
+    providers = config.get("providers", [])
+    
+    # 生成ID
+    if not provider.get("id"):
+        provider["id"] = provider["name"].lower().replace(" ", "-").replace(".", "-")
+    
+    providers.append(provider)
+    config["providers"] = providers
+    save_config(config)
+    return provider
+
+def update_provider(provider_id, data):
+    """更新提供商"""
+    config = load_config()
+    providers = config.get("providers", [])
+    
+    for i, p in enumerate(providers):
+        if p.get("id") == provider_id:
+            providers[i] = {**p, **data}
+            config["providers"] = providers
+            save_config(config)
+            return providers[i]
+    return None
+
+def delete_provider(provider_id):
+    """删除提供商"""
+    config = load_config()
+    providers = config.get("providers", [])
+    providers = [p for p in providers if p.get("id") != provider_id]
+    config["providers"] = providers
+    save_config(config)
+    return True
+
+def update_priority(provider_ids):
+    """更新优先级顺序"""
+    config = load_config()
+    providers = config.get("providers", [])
+    
+    # 按新顺序设置优先级
+    for i, pid in enumerate(provider_ids):
+        for p in providers:
+            if p.get("id") == pid:
+                p["priority"] = i + 1
+    
+    config["providers"] = providers
+    save_config(config)
+    return providers
+
+def get_model_aliases():
+    """获取模型别名"""
+    config = load_config()
+    return config.get("model_aliases", DEFAULT_MODEL_ALIASES)
+
+def update_model_alias(alias, target):
+    """更新模型别名"""
+    config = load_config()
+    aliases = config.get("model_aliases", {})
+    aliases[alias] = target
+    config["model_aliases"] = aliases
+    save_config(config)
+    return aliases
+
+# 初始化配置
+config = load_config()
+UPSTREAM_PROVIDERS = config.get("providers", DEFAULT_PROVIDERS)
+MODEL_ALIASES = config.get("model_aliases", DEFAULT_MODEL_ALIASES)
+
 # 服务配置
 SERVER_CONFIG = {
     "host": "0.0.0.0",
@@ -59,7 +163,7 @@ LOG_CONFIG = {
 # 重试配置
 RETRY_CONFIG = {
     "max_retries": 3,
-    "retry_delay": 1,  # 秒
+    "retry_delay": 1,
     "retry_on_errors": [
         "connection_error",
         "timeout",
@@ -67,10 +171,3 @@ RETRY_CONFIG = {
         "server_error",
     ],
 }
-
-# 健康检查配置
-HEALTH_CHECK = {
-    "enabled": True,
-    "interval": 60,  # 秒
-    "timeout": 10,
-}

data/config.json

@@ -0,0 +1,35 @@
+{
+  "providers": [
+    {
+      "id": "local-qwen",
+      "name": "Local Qwen",
+      "priority": 1,
+      "base_url": "http://192.168.2.5:1234/v1",
+      "api_key": "sk-lm-fuP5tGU8:Hi7YU87jHyDP6Ay8Tl2j",
+      "models": ["qwen3.5-4b", "qwen3.5", "qwen"],
+      "default_model": "qwen3.5-4b",
+      "timeout": 120,
+      "enabled": true
+    },
+    {
+      "id": "siliconflow-deepseek",
+      "name": "SiliconFlow DeepSeek",
+      "priority": 2,
+      "base_url": "https://api.siliconflow.cn/v1",
+      "api_key": "sk-fhpoexpptvjghpnphtaxbkhjwulzovoqfffbckcfscjmwhcg",
+      "models": ["Pro/deepseek-ai/DeepSeek-V3.2", "deepseek-v3", "deepseek"],
+      "default_model": "Pro/deepseek-ai/DeepSeek-V3.2",
+      "timeout": 120,
+      "enabled": true
+    }
+  ],
+  "model_aliases": {
+    "auto": "auto",
+    "qwen": "qwen3.5-4b",
+    "qwen3.5": "qwen3.5-4b",
+    "qwen3.5-4b": "qwen3.5-4b",
+    "deepseek": "Pro/deepseek-ai/DeepSeek-V3.2",
+    "deepseek-v3": "Pro/deepseek-ai/DeepSeek-V3.2",
+    "deepseek-v3.2": "Pro/deepseek-ai/DeepSeek-V3.2"
+  }
+}