review_spider.py 文件源码

def process_pagination_form(self, form, page=None, product_id=None):
        action = form.xpath('@action').extract_first()
        names = form.xpath('input/@name').extract()
        values = form.xpath('input/@value').extract()

        formdata = dict(zip(names, values))
        meta = dict(prev_page=page, product_id=product_id)

        return FormRequest(
            url=action,
            method='GET',
            formdata=formdata,
            callback=self.parse,
            meta=meta
        )