#!/usr/bin/env python

# -*- coding: utf-8 -*-

from selenium import webdriver

import time

if __name__ == '__main__':

    url = "http://blog.csdn.net/"

    browser = webdriver.Chrome()

    browser.get(url)

    browser.execute_script("""

    (function () {

    var y = 0;

    var step = 100;

    window.scroll(0, 0);

    function f() {

    if (y < document.body.scrollHeight) {

    y += step;

    window.scroll(0, y);

    setTimeout(f, 100);

    } else {

    window.scroll(0, 0);

    document.title += "scroll-done";

    }

    }

    setTimeout(f, 1000);

    })();

    """)

    print("下拉中...")

    # time.sleep(180)

    while True:

        if "scroll-done" in browser.title:

            break

    else:

        print("还没有拉到最底端...")

        time.sleep(3)