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  • 获取某东的里的信息,并保存至csv,mysql(类)

    # -*- coding: utf-8 -*-
    # @Time    : 2018/12/28  12:01
    # @Author  : zhangxinxin
    # @Email   : 778786617@qq.com
    # @Software: PyCharm
    import requests
    import time
    import json
    import csv
    import pymysql.cursors
    
    
    class JdComment(object):
        def __init__(self):
            self.url = 'https://sclub.jd.com/comment/productPageComments.action'
            self.headers = {
                'authority': 'sclub.jd.com',
                'cookie': '您的cookie',
                'referer': 'https://item.jd.com/100000287113.html',
                'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36'
            }
            self.js_content = ''
            self.conn = None
            self.cursor = None
            self.headers_csv()
    
        def connect_sql(self):
            self.conn = pymysql.connect(
                host='127.0.0.1',
                port=3306,
                user='您的账号',
                password='您的密码',
                db='jd'
            )
            self.cursor = self.conn.cursor()
    
        def close_sql(self):
            self.cursor.close()
            self.conn.close()
    
        def get_html(self, params):
            """获取返回信息,对信息进行分割,去掉无用信息"""
            # resp = requests.get(self.url, headers=self.headers).text
            # self.js_content = resp.split('15267(')[-1].split(');')[0]
            self.js_content = requests.get(self.url, headers=self.headers, params=params).text
            # print(self.js_content)
    
        def parse_html(self):
            content_dict = json.loads(self.js_content)
            comments = content_dict['comments']
            data_list = []
            for data in comments:
                small_list = []
            #     超复杂,写了一半,舍弃
            #     id = data['id']
            #     nickname = ['nickname']
            #     content = data['content']
            #     # creationTime = data['creationTime']
            #     referenceName = data['referenceName']
            #     usefulVoteCount = data['usefulVoteCount']
            #     replyCount = data['replyCount']
            #     score = data['score']
            # #     images = data['images']
            # #     # for image in images:
            # #         # print(image['imgUrl'])
            # #     print(id, content)
            # # goodRateShow = content_dict['productCommentSummary']['goodRateShow']
            # # comments = content_dict['comments']
            # # for data in comments:
            #     userLevelName = data['userLevelName']
            #     color = data['productColor']
            #     size = data['productSize']
            # 中等复杂, 已写完
                small_list.append(data['id'])
                small_list.append(data['nickname'])
                small_list.append(data['content'])
                small_list.append(data['referenceName'])
                small_list.append(data['usefulVoteCount'])
                small_list.append(data['replyCount'])
                small_list.append(data['score'])
                small_list.append(data['userLevelName'])
                small_list.append(data['productColor'])
                small_list.append(data['productSize'])
                data_list.append(small_list)
            # 精简模式,已写完,暂时不用
            #     kes=['id', 'nickname', 'content', '此处数据待添加']
            #     for k in kes:
            #         print(small_list.append(data[k]))
            #     data_list.append(small_list)
            #
            # print(len(data_list))
            return data_list
    
        def headers_csv(self):
            """创建headers, 初始化时写入"""
            with open('Jd_js_comments.csv', 'w', newline='') as f:
                writer = csv.writer(f)
                writer.writerow(['用户ID', '用户名', '评论内容', '手机信息', '点赞数', '评论数', '排序规则', '会员等级', '手机颜色', '型号'])
    
        def save_csv(self, data):
            """存储到csv文件中"""
            with open('Jd_js_comments.csv', 'a', newline='') as f:
                writer = csv.writer(f)
                writer.writerows(data)
    
        def save_sql(self, data):
            """数据写入数据库"""
            self.connect_sql()
            for i in data:
                print(i)
                sql = "INSERT INTO jd.comments VALUES (NULL , '{}','{}','{}','{}','{}','{}','{}','{}','{}','{}')".format(str(i[0]), str(i[1]), i[2], i[3], str(i[4]), str(i[5]), str(i[6]), i[7], i[8], i[9])
                self.cursor.execute(sql)
                self.conn.commit()
            self.close_sql()
    
        def run(self):
            for x in range(10):
                page = x
                params = {
                    'productId': 5089253,
                    'sortType': 5,
                    'score': 0,
                    'page': page,
                    'pageSize': 10,
                    # 'callback': 'fetchJSON_comment98vv105467',
                    # 'isShadowSku': 0,
                    # 'fold': 1
                }
                self.get_html(params)
                data = self.parse_html()
                self.save_csv(data)
                self.save_sql(data)
                print('第{}页数据爬取完毕,等待数据保存'.format(x + 1))
                time.sleep(5)
    
    
    if __name__ == '__main__':
        s = JdComment()
        s.run()
    
    

    提供MySQL数据库图:

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  • 原文地址:https://www.cnblogs.com/UTF-8-xinxin/p/10240946.html
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