使用python爬取数据实测记录_python通过hxr爬取数据

看了几天的小甲鱼视频学python基础，居然说要用scrapy才能做成目前想爬的...

换了个详细的scrapy视频教程看点击打开链接

1、爬取网页url数据返回301、302报错

class ModianSpider(scrapy.Spider):
    name = 'modian'
    allowed_domains = ['modian.com']
    start_urls = ['https://zhongchou.modian.com/search?key=%E9%BB%84%E5%A9%B7%E5%A9%B7']
 
    def parse(self, response):
        hrefs = response.xpath('//div[@class="myproject clearfix"]/ul/li/a/@href').extract()
        for href in hrefs:
            yield scrapy.Request(href, meta={'href': href}, callback=self.parse_pro_page)
 
    def parse_pro_page(self, response):
        item = ModianItem()
 
        item['id'] = response.xpath('//div/@data-pro_id').extract()
        item['title'] = response.xpath('//h3[@class="ti