selenium爬虫:功能扩充

class Web:
    #建构式
    def __init__(self,url):
       self.url=url
       driver.get(url)
    #走访(遍历)网页的元素，并对其进行操作(爬取资料/填入资料/点击/下载图片)   
    def travel(self,q_list,operation):#q_list={'Xpath':[' '],...}
        for k,v in q_list.items():
            elements=driver.find_elements_by_xpath(k)
            if(operation=='get_data'):
                for elem in elements:                   
                    v.append(elem)