질문

코드 시험 :

#coding=utf-8

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import Select, WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import time
import pandas as pd 

# Below is to crawl data from a webpage with two different dropdown
try:
    driver = webdriver.Chrome('./chromedriver')


    driver.get('https://price.joinsland.joins.com/theme/index_theme.asp?sisaegbn=T05')

    select1 = Select(WebDriverWait(driver, 5).until(EC.element_to_be_clickable((By.XPATH, "//select[@name='sido']"))))
    for item1 in select1.options:
        item1.click()
        select2 = Select(WebDriverWait(driver, 5).until(EC.element_to_be_clickable((By.XPATH, "//select[@name='gugun']"))))
        for item2 in select2.options:
            item2.click()
            time.sleep(2)

            # below is to get the attained date into excel file
            table = driver.find_element_by_class_name('tbl_box')
            tbody = table.find_element_by_tag_name('tbody')
            rows=tbody.find_elements_by_tag_name('tr')


            total = []
            result = []
            for index, value in enumerate(rows):
                body = value.find_elements_by_tag_name('td')

                for i in range(len(body)):
                    data = body[i].text
                    result.append(data)

            total.append(result)
            result=[]

        df = pd.DataFrame.from_records(total)
        df.to_excel('text.xlsx')



except Exception as e:
    print(e)

finally:
    driver.quit()

아래의 멋진 댓글 덕분에이 코드를 편집했지만 아래와 같은 오류가 발생합니다. :

Message: stale element reference: element is not attached to the page document

이 메시지가 표시되는 이유를 대략 이해하지만이 문제를 해결하는 방법에 대해서는 아직 명확하지 않습니다. 어떤 의견이라도 깊이 감사하겠습니다! 미리 감사드립니다!

답변1

이것이 내가 알아 낸 것입니다. 하지만 코드가 옳은지 아닌지 잘 모르겠습니다. 나는 파이썬을 모른다.

#get select
select1 = Select(driver.find_element_by_xpath('//select[@name="sido"]'))

#get all options from select
options1 = select1.options

for opt1 is options1:

    #select the option which has the value of opt1
    select1.select_by_value(opt1.get_attribute("value"))
    time.sleep(5)

    select2 = Select(driver.find_element_by_xpath('//select[@name="gugu"]'))
    options2 = select2.options

    for opt2 in options2:
        select1.select_by_value(opt2.get_attribute("value"))
        time.sleep(4)

답변2

여러 예에서 모든 < option >요소를 선택하려면 2 개의 서로 다른 drop- 웹 사이트 https://price내의요소를아래로선택합니다. .joinsland.joins.com / theme / index_theme.asp? sisaegbn = T05 WebDriverWait 에서 element_to_be_clickable () 을 사용하고 다음 xpath 기반 로케이터 전략 :

driver.get('https://price.joinsland.joins.com/theme/index_theme.asp?sisaegbn=T05')
select1 = Select(WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//select[@name='sido']"))))
for item1 in select1.options:
    item1.click()
    select2 = Select(WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//select[@name='gugun']"))))
    for item2 in select2.options:
        item2.click()
        time.sleep(3) # perform your web-crawling here