个股论坛重做

app.py

@@ -8053,25 +8053,48 @@ def get_stock_quotes():
         return jsonify({'success': False, 'error': str(e)}), 500
 
 
-# ==================== ClickHouse 连接池（单例模式） ====================
+# ==================== ClickHouse 连接池（带健康检查） ====================
 _clickhouse_client = None
 _clickhouse_client_lock = threading.Lock()
 
+def _create_clickhouse_client():
+    """创建新的 ClickHouse 客户端连接"""
+    return Cclient(
+        host='127.0.0.1',
+        port=9000,
+        user='default',
+        password='Zzl33818!',
+        database='stock',
+        settings={
+            'connect_timeout': 10,
+            'send_receive_timeout': 300,
+        }
+    )
+
 def get_clickhouse_client():
-    """获取 ClickHouse 客户端（单例模式，避免重复创建连接）"""
+    """获取 ClickHouse 客户端（带健康检查和自动重连）"""
     global _clickhouse_client
-    if _clickhouse_client is None:
-        with _clickhouse_client_lock:
-            if _clickhouse_client is None:
-                _clickhouse_client = Cclient(
-                    host='127.0.0.1',
-                    port=9000,
-                    user='default',
-                    password='Zzl33818!',
-                    database='stock'
-                )
-                print("[ClickHouse] 创建新连接（单例）")
-    return _clickhouse_client
+
+    with _clickhouse_client_lock:
+        # 如果客户端不存在，创建新连接
+        if _clickhouse_client is None:
+            _clickhouse_client = _create_clickhouse_client()
+            print("[ClickHouse] 创建新连接")
+            return _clickhouse_client
+
+        # 健康检查：尝试执行简单查询
+        try:
+            _clickhouse_client.execute("SELECT 1")
+        except Exception as e:
+            print(f"[ClickHouse] 连接失效，正在重连: {e}")
+            try:
+                _clickhouse_client.disconnect()
+            except Exception:
+                pass
+            _clickhouse_client = _create_clickhouse_client()
+            print("[ClickHouse] 重连成功")
+
+        return _clickhouse_client
 
 
 @app.route('/api/account/calendar/events', methods=['GET', 'POST'])

community_api.py

@@ -1192,6 +1192,84 @@ def create_reply(post_id):
         return api_error(f'创建回复失败: {str(e)}', 500)
 
 
+# ============================================================
+# 文件上传接口
+# ============================================================
+
+import os
+from werkzeug.utils import secure_filename
+
+# 允许的图片扩展名
+ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif', 'webp'}
+# 上传目录（相对于 Flask 应用根目录）
+UPLOAD_FOLDER = 'public/uploads/community'
+# 最大文件大小 10MB
+MAX_FILE_SIZE = 10 * 1024 * 1024
+
+
+def allowed_file(filename):
+    """检查文件扩展名是否允许"""
+    return '.' in filename and \
+           filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
+
+
+@community_bp.route('/upload/image', methods=['POST'])
+@login_required
+def upload_image():
+    """
+    上传图片
+    返回图片 URL，可用于帖子内容中
+    """
+    try:
+        if 'file' not in request.files:
+            return api_error('没有选择文件', 400)
+
+        file = request.files['file']
+
+        if file.filename == '':
+            return api_error('没有选择文件', 400)
+
+        if not allowed_file(file.filename):
+            return api_error('不支持的文件格式，仅支持 PNG、JPG、GIF、WebP', 400)
+
+        # 检查文件大小
+        file.seek(0, 2)  # 移动到文件末尾
+        size = file.tell()
+        file.seek(0)  # 回到开头
+
+        if size > MAX_FILE_SIZE:
+            return api_error('文件大小超过限制（最大 10MB）', 400)
+
+        # 生成唯一文件名
+        ext = file.filename.rsplit('.', 1)[1].lower()
+        filename = f"{generate_id()}.{ext}"
+
+        # 创建日期目录
+        today = datetime.now().strftime('%Y%m%d')
+        upload_dir = os.path.join(current_app.root_path, UPLOAD_FOLDER, today)
+        os.makedirs(upload_dir, exist_ok=True)
+
+        # 保存文件
+        filepath = os.path.join(upload_dir, filename)
+        file.save(filepath)
+
+        # 返回访问 URL
+        url = f"/uploads/community/{today}/{filename}"
+
+        return api_response({
+            'url': url,
+            'filename': filename,
+            'size': size,
+            'type': f'image/{ext}'
+        })
+
+    except Exception as e:
+        print(f"[Community API] 上传图片失败: {e}")
+        import traceback
+        traceback.print_exc()
+        return api_error(f'上传失败: {str(e)}', 500)
+
+
 # ============================================================
 # ES 代理接口（前端直接查询 ES）
 # ============================================================

src/views/StockCommunity/services/communityService.ts

@@ -607,3 +607,77 @@ export const togglePinMessage = async (messageId: string, isPinned: boolean): Pr
   });
   if (!response.ok) throw new Error(isPinned ? '取消置顶失败' : '置顶失败');
 };
+
+// ============================================================
+// 文件上传相关
+// ============================================================
+
+export interface UploadedImage {
+  url: string;
+  filename: string;
+  size: number;
+  type: string;
+}
+
+/**
+ * 上传图片
+ */
+export const uploadImage = async (file: File): Promise<UploadedImage> => {
+  const formData = new FormData();
+  formData.append('file', file);
+
+  const response = await fetch(`${API_BASE}/api/community/upload/image`, {
+    method: 'POST',
+    credentials: 'include',
+    body: formData,
+  });
+
+  if (!response.ok) {
+    const errorData = await response.json().catch(() => ({}));
+    throw new Error(errorData.message || '上传图片失败');
+  }
+
+  const data = await response.json();
+  return data.data;
+};
+
+// ============================================================
+// 股票搜索相关
+// ============================================================
+
+export interface StockSearchResult {
+  stock_code: string;
+  stock_name: string;
+  full_name?: string;
+  exchange?: string;
+  isIndex?: boolean;
+  security_type?: string;
+}
+
+/**
+ * 搜索股票
+ */
+export const searchStocks = async (
+  query: string,
+  limit: number = 10,
+  type: 'all' | 'stock' | 'index' = 'stock'
+): Promise<StockSearchResult[]> => {
+  if (!query.trim()) return [];
+
+  const params = new URLSearchParams({
+    q: query,
+    limit: String(limit),
+    type,
+  });
+
+  const response = await fetch(`${API_BASE}/api/stocks/search?${params}`, {
+    credentials: 'include',
+  });
+
+  if (!response.ok) {
+    throw new Error('搜索股票失败');
+  }
+
+  const data = await response.json();
+  return data.results || [];
+};