/*引入模块*/

var http = require('http')

var url = 'http://www.cnblogs.com/txxt'

var cheerio = require('cheerio')

/*过滤函数*/

function filter(html) {

   var $ = cheerio.load(html)

   var titleData = [];

   var title = $('.postTitle').text();

   console.log(title)

}

/*数据获取*/

http.get(url, function(res){

	var html = '';

	res.on('data',function(data) {

		html += data;

	})

	res.on('end',function(){

		filter(html)

	})

}).on('error',function(){

	console.log('获取数据出错')

})