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')
    })
}

 

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