####开发工具
- Python版本：3.6
- 相关模块：
```
import re
from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from pyquery import PyQuery as pq
from config import *
```
####config文件
```
SERVICE_ARGS = ['--load-images=false', '--disk-cache=true']
KEYWORD = '美食'
```
####全部代码
```
'''利用selenium爬取淘宝美食网页内容'''
import re
from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from pyquery import PyQuery as pq
from config import *
driver = webdriver.PhantomJS(service_args=SERVICE_ARGS)
# driver = webdriver.Chrome()
wait = WebDriverWait(driver, 10)
driver.set_window_size(1400,900) #有这这句话就是可以爬取到网页的内容，没有的话就出现TimeOut错误
def search():
print('正在搜索')
try:
driver.get('http://www.taobao.com')
s_input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#q')))
sumbit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button')))
s_input.send_keys(KEYWORD)
sumbit.click()
totle = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.total')))
get_products()
return totle.text
except TimeoutException:
print('TimeOut')
return search()
def next_page(page_number):
print('正在翻页', page_number)
try:
s_input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > input')))
sumbit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit')))
s_input.clear()
s_input.send_keys(page_number)
sumbit.click()
wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > ul > li.item.active > span'),str(page_number)))
get_products()
except TimeoutException:
print('TimeOut')
next_page(page_number)
def get_products():
wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item')))
html = driver.page_source
doc = pq(html)
items = doc('#mainsrp-itemlist .items .item').items()
for item in items:
product = {
'image': item.find('.pic .img').attr('src'),
'price':item.find('.price').text(),
'deal': item.find('.deal-cnt').text()[:-3],
'title': item.find('.title').text(),
'shop': item.find('.shop').text(),
'location': item.find('.location').text()
}
print(product)
def main():
try:
totle = search()
totle = int(re.compile('(\d+)').search(totle).group(1))
for num in range(2,totle + 1):
next_page(num)
except Exception as e:
print(e)
finally: #最后执行的操作
driver.close()
if __name__ == '__main__':
main()
```