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   源码介绍

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实现了类似Tampermonkey的功能

1. 需要pip install -i https://pypi.tuna.tsinghua.edu.cn/simple selenium 

2. 根据自己的操作系统 选择对应的chromedriver,将其拷贝到python脚本所在目录 

3. 运行即可看到如下效果

chromedriver-v2.29 版本如下

# coding:utf-8
from __future__ import print_function
import os, random, time, random, string, re
from selenium import webdriver
from datetime import datetime
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

from datetime import datetime
print(datetime.now())

#time.sleep(1) # 暂停5秒钟
options = webdriver.ChromeOptions()
# options.add_argument("user-data-dir=C:/Users/chenx/AppData/Local/Google/Chrome/User Data"); 自带chrome数据
# options.add_argument('lang=ja_JP.UTF-8')
options.add_argument('lang=zh_CN.UTF-8')
# options.add_argument(
#     'user-agent="Mozilla/5.0 (iPod; U; CPU iPhone OS 2_1 like Mac OS X; ja-jp) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5F137 Safari/525.20"'
# )
browser = webdriver.Chrome(chrome_options=options)
url = "https://baidu.com"
browser.get(url)

lasttitle = ""


def runJs():
    link = "var w=window.screen.width/2; w=window.screen.width;for (var i = 0; i < document.links.length; i  ) { if(document.links[i].href.indexOf(\"#\")>=0){continue;} if(document.links[i].href.indexOf(\"javascript\")>=0){continue;} document.links[i].href=\"javascript:window.open('\" document.links[i].href \"','_top','width=\" w \",height=\" window.screen.height \",margin-Top=-8px,margin-Left=-8px,menubar=no,toolbar=no,scrollbars=no,status=no');\"; document.links[i].onclick=function(){this.style.color=\"red\";}; }"
    browser.execute_script(link)


# https://www.cnblogs.com/yuuwee/p/6635652.html
# https://www.cnblogs.com/yoyoketang/p/6517477.html
# 2.driver:返回浏览器的一个实例，这个不用多说
# 3.timeout：超时的总时长
# 4.poll_frequency：循环去查询的间隙时间，默认0.5秒
while True:
    try:
        # re = WebDriverWait(browser, 10).until(
        #     EC.visibility_of(browser.find_element(by=By.ID, value='kw')))
        re = WebDriverWait(browser, 10).until(
            EC.visibility_of(browser.find_element_by_tag_name("body")))
        # 实现类似Tampermonkey功能
        if (re.location and lasttitle != re._parent.current_url):
            lasttitle = re._parent.current_url
            runJs()
    except:
        continue

    # WebDriverWait(browser, 10).until(lambda x: x.find_element_by_id("kw")).send_keys("yoyo")
    # re=WebDriverWait(browser,10).until(EC.visibility_of(browser.find_element(by=By.ID,value='kw')))

    # WebDriverWait(browser, 30, 0.5).until(EC.title_is(u"百度一下，你就知道"))
    # instance = WebDriverWait(browser, 30, 0.5).until(EC.alert_is_present())
    # '''判断页面上是否存在alert,如果有就切换到alert并返回alert的内容'''
    # print(instance.text)