# -*- coding: utf-8 -*- import scrapyclass RenrenSpider(scrapy.Spider):name = 'renren'allowed_domains = ['renren.com']# 修改起始的請求start_urls = ['http://www.renren.com/PLogin.do']def start_requests(self):# 構建urlurl = self.start_urls[0]# 構建請求數據post_data = {'email': '17173805860','password': '1qaz@WSX3edc'}# 發送請求yield scrapy.FormRequest(url,formdata=post_data)def parse(self, response):with open('renren.html','wb')as f:f.write(response.body)

scrapy　　如何發送post請求。代碼如上。

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方法二：針對從首頁重定向到登錄頁面的post登錄

# -*- coding: utf-8 -*- import scrapyclass RenrenFormSpider(scrapy.Spider):name = 'renren_form'allowed_domains = ['renren.com']start_urls = ['http://renren.com/']def parse(self, response):# 構建post數據post_data = {'email': '17173805860','password': '1qaz@WSX3edc'}yield scrapy.FormRequest.from_response(response,formdata=post_data,callback=self.after_login)def after_login(self, response):with open('renrne2.html','w')as f:f.write(response.text)

　　

轉載于:https://www.cnblogs.com/andy9468/p/8299636.html

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