使用casperjs抓取http://bm.scs.gov.cn/2015/StudentLogin.aspx

var casper = require('casper').create({       verbose: true,     logLevel: 'debug',    pageSettings: {         userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:37.0) Gecko/20100101 Firefox/37.0',         loadImages: true,         loadPlugins: true    }});//文件处理var fs = require('fs');casper.options.viewportSize = {width: 1680, height: 924};casper.start('http://bm.scs.gov.cn/2015/StudentLogin.aspx');casper.then(function(){    this.echo('开始获取cookie中的验证码');    var phantom_cookie = phantom.cookies;    var cookie_info = '';    for (var i in phantom_cookie){        if(phantom_cookie[i]['name']=='ValicodeCookie'){             cookie_info = phantom_cookie[i]['value'];        }    }    if(cookie_info !==''){        cookie_array = cookie_info.split('=');        input = cookie_array[1];    }else{        input = '';    }    this.echo('获取cookie中的验证码是'+input);    this.sendKeys('form#Form1 input#Loginbystudent1_txt_vcode',input);});//casper.wait(5*1000,function init(){//    this.echo('开始截图');//    this.captureSelector('lo.jpeg','#Loginbystudent1_Image1');//    this.echo('截图完成');//});////casper.then(function(){//    this.echo('请输入验证码：');//    var input = system.stdin.readLine();//    this.echo('你输入的是：'+(input));//    this.sendKeys('form#Form1 input#Loginbystudent1_txt_vcode',input);//});casper.waitForSelector("form#Form1",    function success() {        this.test.assertExists("form[id='Form1']");        this.fill('form[id="Form1"]',{            'Loginbystudent1$txt_Identify':'username',            'Loginbystudent1$txtPassword':'password'        },false);        this.click("a#Loginbystudent1_btn_Login");    },    function fail() {        this.test.assertExists("form[id='Form1']");});casper.waitFor(function check() {    return this.getCurrentUrl().indexOf("http://bm.scs.gov.cn/2015/UserControl/")>-1;}, function then() {    this.echo('登陆成功');}).then(function(){    //this.echo("打开链接并截图");    this.echo('当前的页面链接 ' + this.getCurrentUrl());    this.capture("./me.png");});//把cookie写入文件casper.wait(1000, function () {    this.echo('保存cookie文件');    var cookies = JSON.stringify(phantom.cookies);    cookie_file = 'login_cookie.txt';    fs.write(cookie_file, cookies, 644);    this.echo("cookie写入成功 : " + cookie_file +"\n");});casper.run(function() {this.test.renderResults(true);});//casper.exit();