Question

如何通过此亚马逊模板（https://www.amazon.com/s/ref=sr_pg_1?fst=as%3Aoff&rh=n%3A1055398%2Cn%3A1063306%2Ck%3Aas&keywords=as&ie=UTF8&qid=1532070774）获得此页面每种产品的平均星级（例如5颗星中的4.3颗）。这是一个亚马逊产品页面。问题出在第二次try / catch程序块中，并进行了审查。我附上了代码。我将不胜感激。谢谢。

import csv
from selenium import webdriver
from bs4 import BeautifulSoup
import requests
from lxml import html
import io

links = [
    'https://www.amazon.com/s/ref=sr_pg_1?fst=as%3Aoff&rh=n%3A1055398%2Cn%3A1063306%2Ck%3Aas&keywords=as&ie=UTF8&qid=1532070774'
 ]
proxies = {
    'http': 'http://218.50.2.102:8080',
    'https': 'http://185.93.3.123:8080'
}

chrome_options = webdriver.ChromeOptions()

chrome_options.add_argument('--proxy-server="%s"' % ';'.join(['%s=%s' % (k, v) for k, v in proxies.items()]))

driver = webdriver.Chrome(executable_path="C:\\Users\Andrei-PC\Downloads\webdriver\chromedriver.exe",
                              chrome_options=chrome_options)
header = ['Product title', 'Product price', 'Review', 'ASIN']

with open('csv/demo.csv', "w") as output:
    writer = csv.writer(output)
    writer.writerow(header)
for i in range(len(links)):

    driver.get(links[i])
    for x in range(0,23):
        product_title = driver.find_elements_by_xpath('//li[@id="result_{}"]/div/div[3]/div/a'.format(x))
        title = [x.text for x in product_title]

        try:
            price = driver.find_element_by_xpath('//li[@id="result_{}"]/div/div[5]/div/a/span[2]'.format(x)).text
        except:
            price = 'No price v2'
            print('No price v2')

        try:
            review = driver.find_element_by_xpath('//li[@id="result_{}"]/div/div[6]/span'.format(x)).text()

        except:
            review = 'No review v1'
            print('No review v1')

        try:
            asin = driver.find_element_by_id('result_{}'.format(x)).get_attribute('data-asin')

        except:
            asin = 'No asin'
            print('No asin')

        try:
            data = [title[0], price, review, asin]
        except:
            print('no items v3 ')
        with io.open('csv/demo.csv', "a", newline="", encoding="utf-8") as output:
            writer = csv.writer(output)
            writer.writerow(data)
    print('I solved this link %s' % (links[i]))
    print('Number of product %s' % (i + 1))

Answer 1

您可以使用以下代码获取费率：

stars = driver.find_element_by_class_name('a-icon-alt').get_attribute('textContent')

如何从亚马逊产品页面获取隐藏信息（平均评价）？（网络抓取）

1 个答案: