'commit'

AI/Neo4j/InputShiTi.py

@@ -14,11 +14,14 @@ class KnowledgeGraph:
         self.knowledge_points = self._get_knowledge_points()
         self.client = OpenAI(api_key=MODEL_API_KEY, base_url=MODEL_API_URL)
 
+        #self.knowledge_points = self._get_knowledge_points()
+        print("加载知识点数量：", len(self.knowledge_points))  # 添加调试信息
+
     def _get_knowledge_points(self) -> dict:
-        """修复字段名称错误"""
+        """保持ID原始大小写"""
         try:
-            # 确保返回字段与节点属性名称匹配
+            # 移除lower()转换
-            return {row['n.id'].lower(): row['n.name']  # 修改为n.id
+            return {row['n.id']: row['n.name']  # 直接使用原始ID
                     for row in self.graph.run("MATCH (n:KnowledgePoint) RETURN n.id, n.name")}
         except Exception as e:
             print(f"获取知识点失败：", str(e))
@@ -42,45 +45,65 @@ MATCH (kp:KnowledgePoint {{id: "知识点ID"}})
 MERGE (q)-[:TESTS_KNOWLEDGE]->(kp)"""
 
     def _clean_cypher(self, code: str) -> str:
-        """修复WITH语句顺序问题"""
+        """完整清洗逻辑"""
         safe = []
         cypher_block = re.findall(r"```(?:cypher)?\n(.*?)```", code, re.DOTALL)
         if not cypher_block:
             return ""
 
-        # 强制先创建Question节点
+        # 预处理：获取所有知识点的规范大写形式
+        valid_ids_upper = [k.upper() for k in self.knowledge_points.keys()]
+
         has_question = False
         for line in cypher_block[0].split('\n'):
+            # 清理注释和空白
             line = line.split('//')[0].strip()
             if not line:
                 continue
 
-            # 确保Question节点最先创建
+            # 阻止CREATE操作
+            if 'CREATE' in line.upper():
+                continue
+
+            # 强制Question节点在最前面
             if 'MERGE (q:Question' in line:
                 has_question = True
-                safe.insert(0, line)  # 确保这行在最前面
+                safe.insert(0, line)
                 continue
 
-            # 安全过滤
+            # 处理知识点匹配
-            if 'CREATE' in line.upper():
+            if 'MATCH (kp:KnowledgePoint' in line:
+                # 提取并验证ID
+                kp_id_match = re.search(r"id: ['\"](.*?)['\"]", line)
+                if kp_id_match:
+                    original_id = kp_id_match.group(1)
+                    upper_id = original_id.upper()
+
+                    # 验证存在性（不区分大小写）
+                    if upper_id not in valid_ids_upper:
+                        print(f"忽略无效知识点ID: {original_id}")
                         continue
 
-            # 自动补全WITH语句（仅在Question创建之后）
+                    # 替换为数据库实际存储的大写ID
-            if has_question and 'MERGE (q)-[:TESTS_KNOWLEDGE]' in line and not any('WITH q' in l for l in safe):
+                    line = line.replace(original_id, upper_id)
-                safe.append("WITH q")
 
-            # ID存在性验证
+            # 自动补全WITH语句
-            if 'MATCH (kp:KnowledgePoint' in line:
+            if has_question and 'MERGE (q)-[:TESTS_KNOWLEDGE]' in line:
-                kp_id = re.findall(r"id: ['\"](.*?)['\"]", line)
+                if not any('WITH q' in l for l in safe):
-                if kp_id and kp_id[0] not in self.knowledge_points:
+                    safe.append("WITH q")
-                    continue
 
             safe.append(line)
 
-        # 补充必要WITH语句
+        # 确保Question节点后紧跟WITH
-        if has_question and not any(line.startswith('WITH q') for line in safe):
+        if has_question:
-            safe.insert(1, "WITH q")  # 在创建Question之后立即添加
+            # 在MERGE (q:Question)之后插入WITH
+            for i, line in enumerate(safe):
+                if 'MERGE (q:Question' in line:
+                    if i + 1 >= len(safe) or not safe[i + 1].startswith('WITH'):
+                        safe.insert(i + 1, "WITH q")
+                    break
 
+        # 最终过滤空行
         return '\n'.join([line for line in safe if line])
 
     def run(self) -> str:
@@ -134,15 +157,24 @@ def query_related_knowledge(self):
 # 测试用例
 if __name__ == '__main__':
     test_case = """【时间问题】甲乙两车从相距240公里的两地同时出发相向而行，甲车时速60公里，乙车时速40公里，几小时后相遇？"""
-
-    test_case = """【时间问题】甲乙两车从相距240公里的两地同时出发相向而行..."""
-
     kg = KnowledgeGraph(test_case)
     cypher = kg.run()
-
     if cypher:
+        # 插入数据
         kg.graph.run(cypher)
         print("执行成功！关联知识点：")
         kg.query_related_knowledge()  # 新增查询
     else:
         print("未生成有效Cypher")
+
+    # # 临时诊断
+    # print("当前知识库中是否存在该ID：",
+    #       'f0333b305f7246b5a06d03d4e3ff55a9' in kg.knowledge_points)
+    #
+    # # 直接查询数据库
+    # test_cypher = '''
+    # MATCH (kp:KnowledgePoint)
+    # WHERE kp.id = 'f0333b305f7246b5a06d03d4e3ff55a9'
+    # RETURN kp.id, kp.name
+    # '''
+    # print("直接查询结果：", kg.graph.run(test_cypher).data())