node http.get请求

var http = require('http');
var querystring = require('querystring')

var url =  'http://www.baidu.com/';

http.get(url,function(res){
    var html = '';

    res.on('data', function (data) {
        html  += data;
     });

    res.on('end', function () {
        console.log(html);
     });
}).on('error',function(){
    console.log('出错！');
});