完成中转仓管理

datav/server.js

@@ -0,0 +1,48 @@
+const express = require('express');
+const { createProxyMiddleware } = require('http-proxy-middleware');
+const path = require('path');
+
+const app = express();
+const PORT = 8081;
+
+// CORS 中间件
+app.use((req, res, next) => {
+  res.header('Access-Control-Allow-Origin', '*');
+  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
+  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization');
+  if (req.method === 'OPTIONS') {
+    return res.sendStatus(200);
+  }
+  next();
+});
+
+// API 代理：必须在静态文件服务之前，将 /api 请求代理到 cattletrack.aiotagro.com
+app.use('/api', createProxyMiddleware({
+  target: 'https://cattletrack.aiotagro.com',
+  changeOrigin: true,
+  secure: false,
+  pathRewrite: {
+    '^/api': '/api', // 保持 /api 前缀
+  },
+  onProxyReq: (proxyReq, req, res) => {
+    console.log(`[代理] ${req.method} ${req.url} -> https://cattletrack.aiotagro.com${req.url}`);
+    // 确保请求方法正确转发
+    proxyReq.method = req.method;
+  },
+  onProxyRes: (proxyRes, req, res) => {
+    console.log(`[代理响应] ${req.method} ${req.url} - 状态码: ${proxyRes.statusCode}`);
+  },
+  onError: (err, req, res) => {
+    console.error('[代理错误]', err);
+    res.status(500).json({ error: '代理请求失败', details: err.message });
+  }
+}));
+
+// 静态文件服务：提供 datav 目录下的文件
+app.use(express.static(__dirname));
+
+app.listen(PORT, () => {
+  console.log(`服务器已启动: http://127.0.0.1:${PORT}`);
+  console.log(`请访问: http://127.0.0.1:${PORT}/index.html`);
+});
+