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backend/check_tables.py

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+import pymysql
+from app.core.config import settings
+
+def check_user_login_table():
+    try:
+        # 解析连接字符串
+        import re
+        pattern = r'mysql\+pymysql://([^:]+):([^@]+)@([^:]+):(\d+)/(.+)'
+        match = re.match(pattern, settings.DATABASE_URL)
+
+        if match:
+            username, password, host, port, database = match.groups()
+
+            connection = pymysql.connect(
+                host=host,
+                port=int(port),
+                user=username,
+                password=password,
+                database=database,
+                charset='utf8mb4'
+            )
+
+            with connection.cursor() as cursor:
+                # 检查user_login表结构
+                print("=== user_login表结构 ===")
+                cursor.execute("DESCRIBE user_login")
+                columns = cursor.fetchall()
+                for column in columns:
+                    print(f"{column[0]}: {column[1]} {column[2]} {column[3]} {column[4]}")
+
+                print("\n=== user_login表数据示例 ===")
+                cursor.execute("SELECT * FROM user_login LIMIT 3")
+                rows = cursor.fetchall()
+                for row in rows:
+                    print(row)
+
+                print("\n=== 检查是否有用户相关的表 ===")
+                cursor.execute("SHOW TABLES LIKE '%user%'")
+                user_tables = cursor.fetchall()
+                for table in user_tables:
+                    print(f"- {table[0]}")
+
+            connection.close()
+            return True
+
+    except Exception as e:
+        print(f"检查表结构失败: {str(e)}")
+        return False
+
+if __name__ == "__main__":
+    check_user_login_table()