初次提交

backend/debug_email_duplicate.py

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+import sys
+import traceback
+from app.core.database import SessionLocal
+from app.services.user_service import UserService
+from app.schemas.auth import UserRegister
+
+def debug_email_duplicate():
+    """调试邮箱重复问题"""
+    try:
+        print("=== 调试邮箱重复问题 ===")
+
+        db = SessionLocal()
+        user_service = UserService(db)
+
+        # 先检查现有用户
+        print("1. 检查现有用户...")
+        existing_user = user_service.get_user_by_email("user@example.com")
+        if existing_user:
+            print(f"   找到现有用户: ID={existing_user.id}, 用户名={existing_user.username}, 邮箱={existing_user.email}")
+        else:
+            print("   未找到现有用户")
+
+        # 尝试创建重复邮箱的用户
+        print("\n2. 尝试创建重复邮箱的用户...")
+        user_data = UserRegister(
+            username="test_duplicate",
+            email="user@example.com",  # 重复邮箱
+            password="TestPass123!",
+            confirm_password="TestPass123!"
+        )
+
+        try:
+            user = user_service.create_user(user_data)
+            print(f"   用户创建成功: {user.id}")
+        except Exception as e:
+            print(f"   用户创建失败: {e}")
+            print(f"   异常类型: {type(e).__name__}")
+            print(f"   异常详情: {e.detail if hasattr(e, 'detail') else '无详情'}")
+            traceback.print_exc()
+
+        db.close()
+
+    except Exception as e:
+        print(f"调试过程出错: {e}")
+        traceback.print_exc()
+
+if __name__ == "__main__":
+    debug_email_duplicate()