框架运行不了

import scrapy
from zhipin.req import SeleniumRequest

class BossSpider(scrapy.Spider):
name = 'boss'
allowed_domains = ['zhipin.com']
start_urls = ['https://mil.ifeng.com/shanklist/14-35083-']

def start_request(self):
    yield SeleniumRequest(
        url=self.start_urls[0],
        methoad="get",
        callback=self.parse

    )
def parse(self,response,**kwargs):
    li_list=response.xpath("/html/body/div/div[5]/div[1]/div/ul/li")
    for li in li_list:
        title=li.xpath("./div/h2/a/text()").extract_first()

        print(title)

Define here the models for your spider middleware

See documentation in:

https://docs.scrapy.org/en/latest/topics/spider-middleware.html

from scrapy import signals
from scrapy.http import HtmlResponse
from selenium.webdriver import Chrome
from selenium.webdriver.common.by import By
import time
from zhipin.req import SeleniumRequest

useful for handling different item types with a single interface

from itemadapter import is_item, ItemAdapter

class ZhipinDownloaderMiddleware:
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the downloader middleware does not modify the
# passed objects.

@classmethod
def from_crawler(cls, crawler):
    # This method is used by Scrapy to create your spiders.
    s = cls()
    crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
    crawler.signals.connect(s.spider_closed, signal=signals.spider_closed)
    return s

def process_request(self, request, spider):
    if isinstance(request, SeleniumRequest):
        self.web.get(request.url)
        time.sleep(2)
        page_source=self.web.page_source
        return HtmlResponse(
            url=request.url,
            status=200,
            body=page_source,
            request=request,
            encoding="utf-8"
        )


def process_response(self, request, response, spider):
    # Called with the response returned from the downloader.

    # Must either;
    # - return a Response object
    # - return a Request object
    # - or raise IgnoreRequest
    return response

def process_exception(self, request, exception, spider):
    # Called when a download handler or a process_request()
    # (from other downloader middleware) raises an exception.

    # Must either:
    # - return None: continue processing this exception
    # - return a Response object: stops process_exception() chain
    # - return a Request object: stops process_exception() chain
    pass

def spider_opened(self, spider):
    self.web = Chrome(executable_path="./chromedriver")
    self.web.implicitly_wait(10)

def spider_closed(self, spider):
    if self.web:
        self.web.close()