selenium动态页面模拟点击
# 爬取斗鱼直播平台的所有房间信息: #coding=utf-8 from selenium import webdriver import json import time class Douyu: # 1.发送首页的请求 def __init__(self): self.driver = webdriver.PhantomJS() self.driver.get("https://www.douyu.com/directory/all") #请求首页 #获取没页面内容 def get_content(self): time.sleep(3) #每次发送完请求等待三秒,等待页面加载完成 li_list = self.driver.find_elements_by_xpath(‘//ul[@id="live-list-contentbox"]/li‘) contents = [] for i in li_list: #遍历房间列表 item = {} item["img"] = i.find_element_by_xpath("./a//img").get_attribute("src") #获取房间图片 item["title"] = i.find_element_by_xpath("./a").get_attribute("title") #获取房间名字 item["category"] = i.find_element_by_xpath("./a/div[@class=‘mes‘]/div/span").text #获取房间分类 item["name"] = i.find_element_by_xpath("./a/div[@class=‘mes‘]/p/span[1]").text #获取主播名字 item["watch_num"] = i.find_element_by_xpath("./a/div[@class=‘mes‘]/p/span[2]").text #获取观看人数 print(item) contents.append(item) return contents #保存本地 def save_content(self,contents): f = open("douyu.txt","a") for content in contents: json.dump(content,f,ensure_ascii=False,indent=2) f.write("\n") f.close() def run(self): #1.发送首页的请求 #2.获取第一页的信息 contents = self.get_content() #保存内容 self.save_content(contents) #3.循环 点击下一页按钮,知道下一页对应的class名字不再是"shark-pager-next" while self.driver.find_element_by_class_name("shark-pager-next"): #判断有没有下一页 #点击下一页的按钮 self.driver.find_element_by_class_name("shark-pager-next").click() # # 4.继续获取下一页的内容 contents = self.get_content() #4.1.保存内容 self.save_content(contents) if __name__ == "__main__": douyu = Douyu() douyu.run()
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