我试图弄清楚我的scrapy工具是否正确地命中了请求回调的product_link- 'yield scrapy.Request（product_link，callback=self.parse_new_item）' product_link应该是'https：//www.antaira.com/products/10-100Mbps/LNX-500 A'，但是我还不能确认我的程序是否跳转到了创建的下一个步骤，以便我可以检索正确的yield返回。谢谢！

# Import the required libraries

import scrapy

# Import the Item class with fields

# mentioned int he items.py file

from ..items import AntairaItem

# Spider class name

class productJumper(scrapy.Spider):

    # Name of the spider
    name = 'productJumper'

    # The domain to be scraped
    allowed_domains = ['antaira.com']

    # The URLs to be scraped from the domain
    start_urls = ['https://www.antaira.com/products/10-100Mbps']
    #target_url = ['https://www.antaira.com/products/10-100Mbps/LNX-500A']

    # First Step: Find every div with the class 'product-container' and step into the links
    def parse(self, response):
        #product_link = response.urljoin(rel_product_link)

        # creating items dictionary
        items = AntairaItem()

        rel_product_link = response.css('div.center767')
        for url in rel_product_link:
            rel_product_link = response.xpath('//div[@class="product-container"]//a/@href').get(),
            product_link = response.urljoin('rel_product_link'),
            items['rel_product_link'] = rel_product_link,
            items['product_link'] = product_link

            #yield items

    # 2nd Step: Return a list of the all products-links that will be scrapped
            #yield {
            #       take the first relative product link
            #        'rel_product_link' : rel_product_link,
            #        'product_link'  :   product_link,
            #}

            yield scrapy.Request(product_link, callback=self.parse_new_item)

    # Final Step: Run through each product and Yield the results
        def parse_new_item(self, response):
            for product in response.css('main.products'):

                name = product.css(('h1.product-name::text').strip(' \t\n\r')).get()
                features = product.css('section.features h3 + ul').getall()
                overview =   product.css('.products .product-overview::text').getall()
                main_image = product.css('div.selectors img::attr(src)').get()
                rel_links = product.xpath("//script/@src[contains(., '/app/site/hosting/scriptlet.nl')]").getall()

                items['name'] = name,
                items['features'] = features,
                items['overview'] = overview,
                items['main_image'] = main_image,
                items['rel_links'] = rel_links,

                yield items