New version of frontend

.gitignore

@@ -0,0 +1 @@
+data/neo4j.dump

README.md

@@ -1,13 +1,37 @@
-➜  3022202376 tree
+# 知识图谱管理系统
 
-.
+## 环境要求
+    jdk 11
+    nodejs 22.19.0
+    angular_cli 20.3.2
+    neo4j 4.4
+    express 4.18.2
+    AntV_G6 4.3.3
 
-├── code		code of project
+## 安装依赖
+在 ./code/backend 目录运行
 
-├── data		data set
+    npm install
+    npm install express@4.18.2
+    npm install --save @antv/g6@4.3.3
 
-├── member_info.txt	information of group members
+## 加载数据
+1. 确保neo4j处于停机状态
+2. 在neo4j/bin目录下运行如下命令
 
-├── report.mp4		report videm
+        neo4j-admin load --from="<dumo文件路径>" --database=neo4j --force
 
-└── report.ppt		report slides
+## 启动服务
+1. 在neo4j的/bin目录运行
+
+    neo4j.bat console
+
+2. 在./code/backend目录运行
+
+    npm run dev
+
+3. 在./code/frontend目录运行
+
+    python -m http.server 8000
+
+4. 从8000端口访问管理界面

code/backend/routes/edges.js

@@ -1,4 +1,3 @@
-// routes/edges.js
 const express = require('express');
 const router = express.Router();
 const edgeService = require('../services/edge.service');
@@ -11,22 +10,22 @@ const edgeService = require('../services/edge.service');
 router.get('/', async (req, res) => {
     try {
         const {
-            limit = 100,
+            limit = 10000,
             skip = 0,
             type
         } = req.query;
 
+        console.log(`边路由接收参数: limit=${limit}, skip=${skip}, type=${type}`);
+
         let edges;
 
         if (type) {
-            // 如果提供了类型参数，按类型过滤
             edges = await edgeService.getEdgesByType(
                 type,
                 parseInt(limit),
                 parseInt(skip)
             );
         } else {
-            // 否则获取所有关系
             edges = await edgeService.getAllEdges(
                 parseInt(limit),
                 parseInt(skip)
@@ -36,7 +35,12 @@ router.get('/', async (req, res) => {
         res.json({
             success: true,
             count: edges.length,
-            data: edges
+            data: edges,
+            meta: {
+                limit: parseInt(limit),
+                skip: parseInt(skip),
+                total: edges.length
+            }
         });
     } catch (error) {
         console.error('获取关系列表失败:', error);
@@ -88,7 +92,6 @@ router.post('/', async (req, res) => {
     try {
         const { startNodeId, endNodeId, type, properties } = req.body;
 
-        // 验证必要参数
         if (!startNodeId || !endNodeId || !type) {
             return res.status(400).json({
                 success: false,
@@ -128,7 +131,6 @@ router.put('/:id', async (req, res) => {
         const { id } = req.params;
         const { properties } = req.body;
 
-        // 验证必要参数
         if (!properties) {
             return res.status(400).json({
                 success: false,
@@ -169,6 +171,8 @@ router.put('/:id', async (req, res) => {
 router.delete('/:id', async (req, res) => {
     try {
         const { id } = req.params;
+        console.log(`删除关系路由: ID=${id}, 类型=${typeof id}`);
+
         const deleted = await edgeService.deleteEdge(id);
 
         if (!deleted) {
@@ -200,7 +204,7 @@ router.delete('/:id', async (req, res) => {
 router.get('/type/:type', async (req, res) => {
     try {
         const { type } = req.params;
-        const { limit = 100, skip = 0 } = req.query;
+        const { limit = 10000, skip = 0 } = req.query;
 
         const edges = await edgeService.getEdgesByType(
             type,
@@ -233,11 +237,10 @@ router.get('/node/:nodeId', async (req, res) => {
         const { nodeId } = req.params;
         const {
             direction = 'both',
-            limit = 100,
+            limit = 10000,
             skip = 0
         } = req.query;
 
-        // 验证方向参数
         const validDirections = ['incoming', 'outgoing', 'both'];
         if (!validDirections.includes(direction)) {
             return res.status(400).json({

code/backend/routes/index.js

@@ -1,11 +1,9 @@
 const express = require('express');
 const router = express.Router();
 
-// 引入各个子路由模块
 const nodesRouter = require('./nodes');
 const edgesRouter = require('./edges');
 
-// 根路径欢迎信息
 router.get('/', (req, res) => {
     res.json({
         success: true,
@@ -20,7 +18,6 @@ router.get('/', (req, res) => {
     });
 });
 
-// 健康检查端点
 router.get('/health', (req, res) => {
     res.json({
         success: true,
@@ -30,7 +27,6 @@ router.get('/health', (req, res) => {
     });
 });
 
-// API信息端点
 router.get('/api', (req, res) => {
     res.json({
         success: true,
@@ -59,14 +55,10 @@ router.get('/api', (req, res) => {
     });
 });
 
-// 使用节点路由
 router.use('/nodes', nodesRouter);
 
-// 使用边路由
 router.use('/edges', edgesRouter);
 
-// 404处理 - 使用更兼容的方式处理不存在的API端点
-// 为所有可能的路径定义处理程序，而不是使用通配符
 router.get('*', (req, res) => {
     handle404(req, res);
 });
@@ -83,7 +75,6 @@ router.delete('*', (req, res) => {
     handle404(req, res);
 });
 
-// 404处理函数
 function handle404(req, res) {
     res.status(404).json({
         success: false,
@@ -98,7 +89,6 @@ function handle404(req, res) {
     });
 }
 
-// 错误处理中间件
 router.use((err, req, res, next) => {
     console.error('服务器错误:', err);
     res.status(500).json({

code/backend/routes/nodes.js

@@ -1,4 +1,3 @@
-// routes/nodes.js
 const express = require('express');
 const router = express.Router();
 const nodeService = require('../services/node.service');
@@ -11,11 +10,14 @@ const nodeService = require('../services/node.service');
 router.get('/', async (req, res) => {
     try {
         const {
-            limit = 100,
+            limit = 10000,  // 修改默认值为10000
             skip = 0,
             label
         } = req.query;
 
+        // 添加调试日志
+        console.log(`节点路由接收参数: limit=${limit}, skip=${skip}, label=${label}`);
+
         let nodes;
 
         if (label) {
@@ -36,7 +38,12 @@ router.get('/', async (req, res) => {
         res.json({
             success: true,
             count: nodes.length,
-            data: nodes
+            data: nodes,
+            meta: {
+                limit: parseInt(limit),
+                skip: parseInt(skip),
+                total: nodes.length
+            }
         });
     } catch (error) {
         console.error('获取节点列表失败:', error);
@@ -123,7 +130,6 @@ router.put('/:id', async (req, res) => {
         const { id } = req.params;
         const { properties } = req.body;
 
-        // 验证必要参数
         if (!properties) {
             return res.status(400).json({
                 success: false,
@@ -135,8 +141,8 @@ router.put('/:id', async (req, res) => {
 
         res.json({
             success: true,
-            message: '节点更新成功',
-            data: node
+            message: '节点删除成功',
+            deletedCount: 1 // 明确返回删除的数量
         });
     } catch (error) {
         console.error('更新节点失败:', error);
@@ -195,7 +201,7 @@ router.delete('/:id', async (req, res) => {
 router.get('/search/:key/:value', async (req, res) => {
     try {
         const { key, value } = req.params;
-        const { limit = 100, skip = 0 } = req.query;
+        const { limit = 10000, skip = 0 } = req.query;
 
         const nodes = await nodeService.searchNodes(
             key,
@@ -227,7 +233,7 @@ router.get('/search/:key/:value', async (req, res) => {
 router.get('/label/:label', async (req, res) => {
     try {
         const { label } = req.params;
-        const { limit = 100, skip = 0 } = req.query;
+        const { limit = 10000, skip = 0 } = req.query;
 
         const nodes = await nodeService.getNodesByLabel(
             label,

code/backend/server.js

@@ -1,7 +1,7 @@
-require('dotenv').config(); // 加载.env环境变量
+require('dotenv').config();
 const express = require('express');
 const cors = require('cors');
-const routes = require('./routes'); // 导入所有路由
+const routes = require('./routes');
 
 const app = express();
 const PORT = process.env.PORT || 3000;
@@ -28,8 +28,7 @@ app.use(cors({
 }));
 app.use(express.json()); // 解析JSON请求体
 
-// 路由
-app.use('/api', routes); // 所有API路由都以/api开头
+app.use('/api', routes);
 
 // 全局错误处理中间件
 app.use((err, req, res, next) => {
@@ -41,7 +40,6 @@ app.use((err, req, res, next) => {
     });
 });
 
-// 启动服务器
 app.listen(PORT, () => {
     console.log(`后端服务器已启动在 http://localhost:${PORT}`);
 });