python爬取京东商品评论

可爬取的内容

上代码

import requests
import json
import csv
from lxml import etree
from bs4 import BeautifulSoup
import time

'''
#如果ip被封，可以使用这个进行ip设置
proxy ='114.239.148.103'
proxies={
    'http':'http://'+proxy,
    'https':'https://'+proxy,
    }
'''
comment_url = 'https://sclub.jd.com/comment/productPageComments.action?callback'


# 获取评论
def get_comment(productid, name):
    headers = {
        # 'cookie': 'shshshfpa=4e6c0f90-587c-a46f-5880-a7debd7d4393-1544616560; __jdu=1126324296; PCSYCityID=412; user-key=44089d07-befa-4522-87fc-bcc039ec7045; pinId=qopcdCj6kcR3U84v0KTTbrV9-x-f3wj7; pin=jd_769791719e9e9; unick=jd_769791719e9e9; _tp=nc%2FbpB%2BkeSbk3jZ6p2H0FlWrdUa1gbgi16QiQ7NBXKY%3D; _pst=jd_769791719e9e9; cn=9; ipLoc-djd=1-72-2799-0; mt_xid=V2_52007VwMSUVpaUV8cQR5sUWMDEgUIUVBGGEofWhliABNUQQtQWkpVHVVXb1ZGB1lYW11LeRpdBW4fElFBW1VLH0ESXgJsAhpiX2hSahxLGFsFZwcRUG1bWlo%3D; shshshfpb=bRnqa4s886i2OeHTTR9Nq6g%3D%3D; unpl=V2_ZzNtbUZTSxJ3DURTLk0LAmJXFVlKAkdAIQ1PUXseCVIzU0UKclRCFXwURldnGlUUZwcZXERcQRdFCHZXchBYAWcCGllyBBNNIEwHDCRSBUE3XHxcFVUWF3RaTwEoSVoAYwtBDkZUFBYhW0IAKElVVTUFR21yVEMldQl2VHsaWwdkBhFVRWdzEkU4dl17HVwDYDMTbUNnAUEpAUJRfRpcSGcDEVpAVEYWfQ92VUsa; __jda=122270672.1126324296.1544405080.1545968922.1545980857.16; __jdc=122270672; ceshi3.com=000; TrackID=11EpDXYHaqwJE15W6paeMk_GMm05o3NUUeze9XyIcFs33GGxX8knxMpxWTeID75qSiUlj31s8CtKJs4hJUV-7CvKuiOEyDd8bvOCH7zzigeI; __jdv=122270672|baidu-pinzhuan|t_288551095_baidupinzhuan|cpc|0f3d30c8dba7459bb52f2eb5eba8ac7d_0_55963436def64e659d5de48416dfeaff|1545980984854; 3AB9D23F7A4B3C9B=OA3G4SO3KYLQB6H3AIX36QQAW34BF376WJN66IUPEQAG6FUA2NWGM6R6MBDL32HLDG62WL2FICMYIVMOU6ISUWHKPE; shshshfp=1ed96ad08a7585648cd5017583df22bd; _gcl_au=1.1.162218981.1545981094; JSESSIONID=305879A97D4EA21F4D5C4207BB81423F.s1; shshshsID=c8c51ee0c5b1ddada7c5544abc3eea8a_5_1545981289039; __jdb=122270672.11.1126324296|16.1545980857; thor=3A30EBABA844934A836AC9AA37D0F4B85306071BD7FC64831E361A626E76F6977EC7794D06F2A922AEABF7D3D7DC22FBE2EB6B240F81A13F5A609368D4185BA0081D7C34A93760063D2F058F5B916835B4960EC8A9122008745971D812BA9E4AE48542CCC5A42E5CD786CC93770E520E36F950614C06A7EB05C8E1DD93EEA844B2EBA9B0136063FCFB6B7C83AECA828774041A9FED7BD98496689496122822FF',
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36",
        "Referer": "https://item.jd.com/%s.html" % (productid)
    }
    for i in range(300):  # 此处设置爬取几页的评论
        page = i
        params = {
            "productId": 100010235083,  # 商品id
            'score': 0,  # 如果想要爬取全部评论设置为0，好评为3，中评为2，差评为1，晒图评价为4，追评为5
            'sortType': 5,
            'page': page,
            'pageSize': 10,
        }
        comment_resp = requests.get(url=comment_url, params=params, headers=headers)
        comment_str = comment_resp.text
        if comment_str == '':
            print("获取内容为空")
        comment_dict = json.loads(comment_str)
        comments = comment_dict['comments']
        load(comments, name, productid)


# 数据存储
def load(comments, name, productid):
    for comment in comments:
        nickname = comment['nickname']
        content = comment['content'].replace('\n', '').replace('\r', '')
        g_uid = comment['guid']
        creationTime = comment['creationTime']
        is_Top = comment['isTop']
        plus = comment['plusAvailable']
        referenceTime = comment['referenceTime']
        score = comment['score']
        days = comment['days']
        is_Mobile = comment['userClient']

        if(is_Top == False):
            is_Top = "非置顶"
        else:
            is_Top = "置顶"

        if(is_Mobile == 2):
            is_Mobile = "IOS客户端"
        elif (is_Mobile == 0):
            is_Mobile = "PC端"
        elif(is_Mobile == 4):
            is_Mobile = "Android客户端"

        if(plus == 201):
            plus = "PLUS会员"
        else:
            plus = "非会员"


        test = g_uid \
               + '\t' + nickname \
               + '\t' + content \
               + '\t' + str(score) \
               +'\t' + creationTime \
               + '\t' + str(is_Top) \
               + '\t' + plus \
               + '\t' + referenceTime \
               + '\t' + str(days) \
               + '\t' + is_Mobile

        # print(infor)
        with open('C:/Users/wuhao/Desktop/JD评论/' + '%s' % (name) + '.csv', 'a',
                  newline='')as csv_file:
            text = []
            text.append(test)
            writer = csv.writer(csv_file)
            writer.writerow(text)


# 获取搜索商品名界面的每个商品的序号
def get_number(name):
    headers = {
         'cookie': 'shshshfpa=4e6c0f90-587c-a46f-5880-a7debd7d4393-1544616560; __jdu=1126324296; PCSYCityID=412; user-key=44089d07-befa-4522-87fc-bcc039ec7045; pinId=qopcdCj6kcR3U84v0KTTbrV9-x-f3wj7; pin=jd_769791719e9e9; unick=jd_769791719e9e9; _tp=nc%2FbpB%2BkeSbk3jZ6p2H0FlWrdUa1gbgi16QiQ7NBXKY%3D; _pst=jd_769791719e9e9; cn=9; ipLoc-djd=1-72-2799-0; mt_xid=V2_52007VwMSUVpaUV8cQR5sUWMDEgUIUVBGGEofWhliABNUQQtQWkpVHVVXb1ZGB1lYW11LeRpdBW4fElFBW1VLH0ESXgJsAhpiX2hSahxLGFsFZwcRUG1bWlo%3D; shshshfpb=bRnqa4s886i2OeHTTR9Nq6g%3D%3D; unpl=V2_ZzNtbUZTSxJ3DURTLk0LAmJXFVlKAkdAIQ1PUXseCVIzU0UKclRCFXwURldnGlUUZwcZXERcQRdFCHZXchBYAWcCGllyBBNNIEwHDCRSBUE3XHxcFVUWF3RaTwEoSVoAYwtBDkZUFBYhW0IAKElVVTUFR21yVEMldQl2VHsaWwdkBhFVRWdzEkU4dl17HVwDYDMTbUNnAUEpAUJRfRpcSGcDEVpAVEYWfQ92VUsa; __jda=122270672.1126324296.1544405080.1545968922.1545980857.16; __jdc=122270672; ceshi3.com=000; TrackID=11EpDXYHaqwJE15W6paeMk_GMm05o3NUUeze9XyIcFs33GGxX8knxMpxWTeID75qSiUlj31s8CtKJs4hJUV-7CvKuiOEyDd8bvOCH7zzigeI; __jdv=122270672|baidu-pinzhuan|t_288551095_baidupinzhuan|cpc|0f3d30c8dba7459bb52f2eb5eba8ac7d_0_55963436def64e659d5de48416dfeaff|1545980984854; 3AB9D23F7A4B3C9B=OA3G4SO3KYLQB6H3AIX36QQAW34BF376WJN66IUPEQAG6FUA2NWGM6R6MBDL32HLDG62WL2FICMYIVMOU6ISUWHKPE; shshshfp=1ed96ad08a7585648cd5017583df22bd; _gcl_au=1.1.162218981.1545981094; JSESSIONID=305879A97D4EA21F4D5C4207BB81423F.s1; shshshsID=c8c51ee0c5b1ddada7c5544abc3eea8a_5_1545981289039; __jdb=122270672.11.1126324296|16.1545980857; thor=3A30EBABA844934A836AC9AA37D0F4B85306071BD7FC64831E361A626E76F6977EC7794D06F2A922AEABF7D3D7DC22FBE2EB6B240F81A13F5A609368D4185BA0081D7C34A93760063D2F058F5B916835B4960EC8A9122008745971D812BA9E4AE48542CCC5A42E5CD786CC93770E520E36F950614C06A7EB05C8E1DD93EEA844B2EBA9B0136063FCFB6B7C83AECA828774041A9FED7BD98496689496122822FF',
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36",
    }
    response = requests.get("https://search.jd.com/Search?keyword=%s&enc=utf-8" % (name), headers=headers)
    html = BeautifulSoup(response.text, 'lxml')
    list = html.find_all("li", class_='gl-item')
    numbers = []
    for number in list:
        numbers.append(int(number.get("data-sku")))
    return numbers


def main():
    get_comment(100010235083, "光威（Gloway）16GB DDR4 3200 笔记本内存条 ")
    #time.sleep(0.5)
    print("爬取完毕")


main()