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用python抓取网页数据，抓取完最后一页进了无限循环，应该该怎么办，跪求大神

from selenium import webdriver

from selenium.webdriver.common.keys import Keys

import time

import pymysql

def yes24Search():

url = "http://www.yes24.com/"

driver = webdriver.Chrome("./chromedriver.exe")

driver.get(url)

yes24Service = driver.find_elements_by_css_selector(".yesCornerLi li")

yes24Service[0].click()

time.sleep(1)

yes24Category = driver.find_elements_by_css_selector("#bestMenu .dpth1 li")

yes24Category[4].click()

time.sleep(1)

search = input("search : ")

inputBox = driver.find_element_by_id("query")

inputBox.send_keys(search)

inputBox.send_keys(Keys.ENTER)

searchPages(driver)

def yes24Info(driver):

time.sleep(1)

productTitle = driver.find_elements_by_css_selector(".goods_infogrp .goods_name strong")

productPrice = driver.find_elements_by_css_selector(".goods_infogrp .goods_price strong")

for index in range(len(productTitle)):

print("product :" , productTitle[index].text)

print("price : ",productPrice[index].text)

print("==================================================================")

dbData = [[productTitle[index].text,productPrice[index].text]]

connectDB(dbData)

def searchPages(driver):

yes24Info(driver)

while True:

nextBtn = driver.find_elements_by_css_selector(".pagen.pat30.pab15 .bw.ne")

if nextBtn == []:

pageNo = driver.find_elements_by_css_selector(".pagen.pat30.pab15 a")

for no in range(len(pageNo)):

pageNo = driver.find_elements_by_css_selector(".pagen.pat30.pab15 a")

pageNo[no].click()

print("next page")

time.sleep(1)

yes24Info(driver)

print("last page")

break

else:

pageNo = driver.find_elements_by_css_selector(".paginate a")

for no in range(len(pageNo)):

pageNo = driver.find_elements_by_css_selector(".paginate a")

pageNo[no].click()

print("next page")

time.sleep(1)

abcmartInfo(driver)

nextBtn = driver.find_elements_by_css_selector(".paginate .next")

nextBtn[0].click()

yes24Search()