var https = require('https');
https.get('https://www.cnblogs.com/', function(res){
    var data = '';
    res.setEncoding('utf8');
    res.on('data', function(chunk){
        data += chunk;
    });
    res.on('end', function(){
        console.log(data);
    });
});

var http = require('http');
var querystring = require('querystring');
var createClientPostRequest = function(){
    var options = {
        method: 'POST',
        protocol: 'http:',
        hostname: '127.0.0.1',
        port: '3000',
        path: '/post',
        headers: {
            "connection": "keep-alive",
            "content-type": "application/x-www-form-urlencoded"
        }    
    };
    // 发送给服务端的数据
    var postBody = {
        a: '1'
    };
    // 创建客户端请求
    var client = http.request(options, function(res){
        // 最终输出：Server got client data: nick=chyingp
        res.pipe(process.stdout);  
    });
    // 发送的报文主体，记得先用 querystring.stringify() 处理下
    client.write( querystring.stringify(postBody) );
    client.end();
};
// 服务端程序，只是负责回传客户端数据
var server = http.createServer(function(req, res){
    res.write('Server got client data: ');
    req.pipe(res);
});
server.listen(3000, createClientPostRequest);