feat: 增加对neo4j的增改查

backend/main.go

@@ -37,6 +37,10 @@ func main() {
 	searchHandler := handlers.NewSearchHandler(graphService)
 	nodeHandler := handlers.NewNodeHandler(graphService)
 
+	// 增删改处理器
+	nodeCRUDHandler := handlers.NewNodeCRUDHandler(graphService)
+	edgeCRUDHandler := handlers.NewEdgeCRUDHandler(graphService)
+
 	router := gin.Default()
 
 	router.Use(cors.New(cfg.CORS.ToGinConfig()))
@@ -64,8 +68,18 @@ func main() {
 
 		api.GET("/search", searchHandler.SearchNodes)
 
+		// 节点查询路由
 		api.GET("/nodes/:id", nodeHandler.GetNodeByID)
 		api.GET("/nodes/:id/neighbors", nodeHandler.GetNeighbors)
+
+		// 节点增删改路由
+		api.POST("/nodes", nodeCRUDHandler.CreateNode)
+		api.PUT("/nodes/:id", nodeCRUDHandler.UpdateNode)
+		api.DELETE("/nodes/:id", nodeCRUDHandler.DeleteNode)
+
+		// 边增删改路由
+		api.POST("/edges", edgeCRUDHandler.CreateEdge)
+		api.DELETE("/edges/:id", edgeCRUDHandler.DeleteEdge)
 	}
 
 	log.Println("Knowledge Graph API Server running on http://localhost:" + cfg.Server.Port)
@@ -77,6 +91,11 @@ func main() {
 	log.Println("  GET /api/search?q=query - Search nodes")
 	log.Println("  GET /api/nodes/:id - Get node by ID")
 	log.Println("  GET /api/nodes/:id/neighbors - Get node neighbors")
+	log.Println("  POST /api/nodes - Create new node")
+	log.Println("  PUT /api/nodes/:id - Update node")
+	log.Println("  DELETE /api/nodes/:id - Delete node")
+	log.Println("  POST /api/edges - Create new edge")
+	log.Println("  DELETE /api/edges/:id - Delete edge")
 
 	if err := router.Run(":" + cfg.Server.Port); err != nil {
 		log.Fatalf("Failed to start server: %v", err)