import { defineConfig, loadEnv } from 'vite' import react from '@vitejs/plugin-react' // https://vitejs.dev/config/ export default defineConfig(({ mode }) => { // 加载环境变量 const env = loadEnv(mode, process.cwd(), '') // 从环境变量获取后端地址,用于开发环境代理 // 如果未设置,使用默认值 localhost:8000 const API_URL = env.VITE_API_URL || 'http://localhost:8000' const WS_URL = env.VITE_WS_URL || 'ws://localhost:8000' return { plugins: [react()], server: { port: 3000, proxy: { '/api': { target: API_URL, changeOrigin: true }, '/ws': { target: WS_URL, ws: true, changeOrigin: true } } } } })