webpack配置反向代理

devServer: { ???????contentBase: path.resolve(__dirname, "../dev"), ???????compress: true, ???????port: 9000,//本身的端口号 ???????host: ‘localhost‘, ???????proxy: { ???????????‘/api‘: { ???????????????target: ‘http://localhost:3000‘,//代理到的地址 ???????????????changeOrigin: true ???????????} ???????} ???}