var http = require("http");

var data = '';

function getData() {

    const options = {

        host: 'www.baidu.com',

        port: 80,

        path: '/index.html',

        method: 'GET',

        headers: {

            'Content-Type':'text/html',

        }

    };

    const req = http.request(options, (res) => {

        console.log(`状态码: ${res.statusCode}`);

        console.log(`响应头: ${JSON.stringify(res.headers)}`);

        res.setEncoding('utf8');

        res.on('data', (chunk) => {

            data += chunk;

            //console.log(`响应主体: ${chunk}`);

        });

        res.on('end', () => {

            // console.log(data);

            console.log('响应中已无数据');

            // return data

        });

    });

    req.end();

}

//调用

// getData();

// setTimeout(()=>{

//     console.log(data)

// },300)

http.createServer((req, res) => {

    getData();

    // Content Type: text/html

    res.writeHead(200, {

        'Content-Type': 'text/html',

    });

    // 响应文件内容

    setTimeout(() => {

        res.write(data.toString());

        res.end();

    }, 300)

}).listen(80, () => {

    console.log('服务器开启成功')

})

const express = require('express');

const timeout = require('connect-timeout');

const proxy = require('http-proxy-middleware');

const app = express();

// 超时时间

const TIME_OUT = 30 * 1e3;

// 设置端口

app.set('port', '80');

// 设置超时 返回超时响应

app.use(timeout(TIME_OUT));

app.use((req, res, next) => {

 if (!req.timedout) next();

});

proxyOption = {

 target: 'http://localhost:8080',

 pathRewrite: {

    '^/api/' : '/' // 重写请求，api/解析为/

  },

  changeOrigoin:true

};

// 静态资源路径

app.use('/', express.static('src/page'));

// 反向代理

app.use('/api/*', proxy(proxyOption));

// 监听端口

app.listen(app.get('port'), () => {

 console.log(`server running @${app.get('port')}`);

});