scrapy 框架之post请求

class ZhongsanSpider(scrapy.Spider):
    name = "zhongsan"
    allowed_domains = ["zhongsan.com"]
    start_urls = ["网址"]

    def start_requests(self):
        data = {
                "businessType": "6",
                "announcementType": "",
                "page": "2",
                "rows": "10",
                "title": ""
        }
        for url in self.start_urls:
            yield scrapy.FormRequest(url=url, formdata=data, callback=self.parse)


    def parse(self, response):
        print(response.text)