
pip install selenium pip install pymysql pip install datetime 确保chrome安装对应版本的驱动(将该驱动放在chrome安装路径下),用于控制chrome浏览器,并将路径添加到环境变量的Path变量中,如图所示!
#安装chrome驱动教程链接: https://blog.csdn.net/linglong_L/article/details/136283810 

如下图,景点的详细信息有:景点名称、景点等级(1-5A)、景点地址、开放时间(有两种,我们采用下面的)、联系电话、景点介绍、景点图片等内容

- 控制打开chrome,并访问指定查询所有景点路径
def __init__(self): options = Options() options.add_argument('--headless') service = Service() self.chrome = Chrome(service=service) self.chrome.get( 'https://huodong.ctrip.com/things-to-do/list?pagetype=city&citytype=dt&keyword=%E6%A2%85%E5%B7%9E&id=523&name=%E6%A2%85%E5%B7%9E&pshowcode=Ticket2&kwdfrom=srch&bookingtransactionid=1711160613361_6064') time.sleep(3) self.page = 1 self.headers = { 'cookie': 'suid=lh/P1+4RKuhAYg684ErS+g==; suid=lh/P1+4RKuhAYg684ErS+g==', 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36', }
- 使用selenium的根据class定位元素方法,找到详细景点的href属性,即为该景点的访问路径
- 并通过page属性控制访问的页数
#获取景点请求路径 def get_url(self): while True: content = self.chrome.find_element(By.CLASS_NAME, "right-content-list").get_attribute('innerHTML') cons = re.findall(r'href="(.*?)" title="(.*?)"', content) for con in cons: self.detail_url = 'https:' + con[0] self.title = con[1] print(self.detail_url, self.title) self.get_detail() self.chrome.find_element(By.CLASS_NAME,'u_icon_enArrowforward').click() time.sleep(1) self.page += 1 if self.page == 120: break 
- 景点的详细信息有:景点名称、景点等级(1-5A)、景点地址、开放时间(有两种,我们采用下面的)、联系电话、景点介绍、景点图片等内容
- 通过正则表达式获取,详细代码如下:
- 并每次获取详细信息之后,将信息保存到mysql数据库中
def get_detail(self): detail_con = requests.get(self.detail_url, verify=False, headers=self.headers).text # time.sleep(2) '''使用正则获取信息''' self.title = ''.join(re.findall(r'(.*?)<', detail_con, re.DOTALL)) print('景点名称:'+self.title) #self.rank = ''.join(re.findall(r'rankText">(.*?)<', detail_con, re.DOTALL)) self.address = ''.join(re.findall(r'地址
(.*?)<', detail_con, re.DOTALL)) self.mobile = ''.join(re.findall(r'官方电话
(.*?)<', detail_con, re.DOTALL)) self.quality_grade= ''.join(re.findall(r'
(.*?) 'cookie': 'suid=lh/P1+4RKuhAYg684ErS+g==; suid=lh/P1+4RKuhAYg684ErS+g==', 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36', } #获取景点请求路径 def get_url(self): while True: content = self.chrome.find_element(By.CLASS_NAME, "right-content-list").get_attribute('innerHTML') cons = re.findall(r'href="(.*?)" title="(.*?)"', content) for con in cons: self.detail_url = 'https:' + con[0] self.title = con[1] print(self.detail_url, self.title) self.get_detail() self.chrome.find_element(By.CLASS_NAME,'u_icon_enArrowforward').click() time.sleep(1) self.page += 1 if self.page == 120: break def get_detail(self): detail_con = requests.get(self.detail_url, verify=False, headers=self.headers).text # time.sleep(2) '''使用正则获取信息''' self.title = ''.join(re.findall(r'(.*?)<', detail_con, re.DOTALL)) print('景点名称:'+self.title) #self.rank = ''.join(re.findall(r'rankText">(.*?)<', detail_con, re.DOTALL)) self.address = ''.join(re.findall(r'地址
(.*?)<', detail_con, re.DOTALL)) self.mobile = ''.join(re.findall(r'官方电话
(.*?)<', detail_con, re.DOTALL)) self.quality_grade= ''.join(re.findall(r'
(.*?)id}?onlyContent=true&onlyShelf=true' ticket_res = requests.get(ticket_url, verify=False, headers=self.headers).text # time.sleep(1) ticket_ret = etree.HTML(ticket_res) ticket = ticket_ret.xpath('//table[@class="ticket-table"]//div[@class="ttd-fs-18"]/text()') price = ticket_ret.xpath( '//table[@class="ticket-table"]//td[@class="td-price"]//strong[@class="ttd-fs-24"]/text()') print(ticket) print(price) '''拿到的列表里可能存在不确定数量的空值,所以这里用while True把空值全部删除,这样才可以确保门票种类与价格正确对应上''' while True: try: ticket.remove(' ') except: break while True: try: price.remove(' ') except: break ''' 这里多一个if判断是因为我发现有些详情页即便拿到门票信息并剔除掉空值之后仍然存在无法对应的问题,原因是网页规则有变动, 所以一旦出现这种情况需要使用新的匹配规则,否则会数据会出错(不会报错,但信息对应会错误) ''' if len(ticket) != len(price): ticket = ticket_ret.xpath( '//table[@class="ticket-table"]/tbody[@class="tkt-bg-gray"]//a[@class="ticket-title "]/text()') price = ticket_ret.xpath('//table[@class="ticket-table"]//strong[@class="ttd-fs-24"]/text()') while True: try: ticket.remove(' ') except: break while True: try: price.remove(' ') except: break print(ticket) print(price) ticket_dict = dict(zip(ticket, price)) print(ticket_dict) if __name__ == '__main__': jy_jd = Jy_jd() jy_jd.get_url() 3.6效果图


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