82 lines
2.1 KiB
TypeScript
82 lines
2.1 KiB
TypeScript
import axios from 'axios';
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import type { GraphData, Node, Edge } from '../types/graph';
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import { API_BASE_URL, API_TIMEOUT } from '../config/constants';
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/**
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* API 客户端实例
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* 统一配置了 base URL、超时时间和默认请求头
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*/
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const apiClient = axios.create({
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baseURL: API_BASE_URL,
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timeout: API_TIMEOUT,
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headers: {
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'Content-Type': 'application/json',
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},
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});
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/**
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* 知识图谱 API 服务
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* 提供与后端交互的所有图谱相关接口
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*/
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export const graphApi = {
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/**
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* 获取完整的知识图谱数据
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* @returns 节点和边的集合
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*/
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async getData(): Promise<GraphData> {
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try {
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const response = await apiClient.get<GraphData>('/graph');
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return response.data;
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} catch (error) {
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console.error('Failed to fetch graph data:', error);
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return { nodes: [], edges: [] };
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}
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},
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/**
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* 搜索节点（后端搜索）
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* @param query 搜索关键词
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* @returns 匹配的节点列表
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*/
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async searchNodes(query: string): Promise<Node[]> {
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try {
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const response = await apiClient.get<Node[]>(`/search?q=${encodeURIComponent(query)}`);
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return response.data;
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} catch (error) {
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console.error('Failed to search nodes:', error);
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return [];
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}
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},
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/**
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* 根据 ID 获取节点详情
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* @param id 节点 ID
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* @returns 节点对象或 null
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*/
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async getNodeById(id: string): Promise<Node | null> {
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try {
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const response = await apiClient.get<Node>(`/nodes/${id}`);
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return response.data;
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} catch (error) {
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console.error('Failed to fetch node:', error);
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return null;
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}
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},
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/**
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* 获取节点的邻居节点和连接边
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* @param nodeId 节点 ID
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* @returns 包含邻居节点和边的对象
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*/
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async getNeighbors(nodeId: string): Promise<{ nodes: Node[]; edges: Edge[] }> {
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try {
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const response = await apiClient.get(`/nodes/${nodeId}/neighbors`);
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return response.data;
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} catch (error) {
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console.error('Failed to fetch neighbors:', error);
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return { nodes: [], edges: [] };
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}
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},
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};
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export default apiClient; |