python使用scrapy解析js示例
from selenium import selenium
class MySpider(CrawlSpider):
name = 'cnbeta'
allowed_domains = ['cnbeta.com']
start_urls = ['//www.jb51.net']
rules = (
# Extract links matching 'category.php' (but not matching 'subsection.php')
# and follow links from them (since no callback means follow=True by default).
Rule(SgmlLinkExtractor(allow=('/articles/.*\.htm', )),
callback='parse_page', follow=True),
# Extract links matching 'item.php' and parse them with the spider's method parse_item
)
def __init__(self):
CrawlSpider.__init__(self)
self.verificationErrors = []
self.selenium = selenium("localhost", 4444, "*firefox", "//www.jb51.net")
self.selenium.start()
def __del__(self):
self.selenium.stop()
print self.verificationErrors
CrawlSpider.__del__(self)
def parse_page(self, response):
self.log('Hi, this is an item page! %s' % response.url)
sel = Selector(response)
from webproxy.items import WebproxyItem
sel = self.selenium
sel.open(response.url)
sel.wait_for_page_to_load("30000")
import time
time.sleep(2.5)
