nodeJs抓取网页

var fs = require('fs');
var jquery = require('jquery');
var url = require('url');
var data = {
0 : 'http://www.baidu.com/s?wd=nodeJS%20doc&pn=',
1 : '&tn=myie2&ie=utf-8&ch=3'
//baidu_search_on_page1
};
var page = 10;
do{
page--;
jquery.get(data[0]+page+data[1],function(html){
(function(){
success(html,page)
})();
});
}while(page);
function bind(fn,context){
return function(){
fn.call(context)
};
};
function success(html,page){
//fs.appendFile()
//console.log(html,page)
fs.appendFile(page+'.html',html,function(err){
if(err)throw err;
console.log('done')
})
}