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3.9 KiB

import csv
import random
from DrissionPage import ChromiumOptions
from DrissionPage import ChromiumPage
import time
path=r"C:\Program Files\Google\Chrome\Application\chrome.exe"
ChromiumOptions().set_browser_path(path).save()
class DataRequest:
def __init__(self,keyword):
#创建文件对象
self.success='False'
self.resp = None
self.data_csv_file_path= 'data.csv'
self.notes_csv_file_path= 'notes.csv'
#初始化 清空文档
self.clear_csv_file()
self.f=open('data.csv', mode='a+', encoding='utf-8', newline='')
self.csv_writer=csv.DictWriter(self.f,fieldnames=['文章ID','文章标题','喜欢数量','图片资源'])
#
self.keyword=keyword
self.url='https://www.xiaohongshu.com/search_result?keyword='+self.keyword+'&type=51'
#数据
self.items=[]
#打开浏览器
self.drive=ChromiumPage()
self.drive.set.scroll.smooth(on_off=True)
self.drive.set.scroll.wait_complete(on_off=True)
# 监听数据报
self.drive.listen.start('api/sns/web/v1/search/notes')
#访问网站
self.drive.get(self.url)
self.dataRequest()
def clear_csv_file(self):
with open(self.data_csv_file_path, 'w') as file1: # 使用'w'模式打开文件
pass # 不需要执行任何操作,因为打开文件时内容已被清空
with open(self.notes_csv_file_path,'w') as file2:
pass # 不需要执行任何操作,因为打开文件时内容已被清空
def dataRequest(self):
#滚动到底部刷新数据包
self.drive.scroll.to_bottom()
#等待数据包加载
self.resp=self.drive.listen.wait()
#获取数据包返回的数据
json_data=self.resp.response.body
#分析数据放入容器
for item in json_data['data']['items']:
if '-' not in item['id']:
if 'display_title' in item['note_card']:
self.success = 'True'
time_Images=[]
for image_list in item['note_card']['image_list']:
time_Images.append(image_list['info_list'][0]['url'])
dic={
'文章ID':item['id'],
'文章标题':item['note_card']['display_title'],
'喜欢数量':item['note_card']['interact_info']['liked_count'],
'图片资源':time_Images
}
self.items.append(dic)
else:
self.success = 'False'
break
if self.success == 'True':
self.sort()
self.check()
def is_in_csv(self,data_to_check):
with open(self.data_csv_file_path,'r',encoding='utf-8') as f:
csv_reader=csv.reader(f)
for row in csv_reader:
if data_to_check in row:
return True
return False
def sort(self):
#按照喜欢人数排序
self.items.sort(key=lambda item:int(item['喜欢数量']),reverse=True)
for i in self.items:
if self.is_in_csv(i['文章ID']):
continue
else:
self.csv_writer.writerow(i)
def close(self):
self.drive.listen.stop()
self.f.close()
def check(self):
with open('data.csv', mode='r', encoding='utf-8') as file:
for line in file:
if line==None:
print('数据获取失败')
break
else:
print('数据获取成功')
break
# print('[1]:',line.split(',')[1])
# break
if __name__=='__main__':
dataRequest=DataRequest('厦门旅游攻略')
for i in range(1):
dataRequest.dataRequest()
time.sleep(random.randint(3,4))