基于Python Scrapy实现的腾讯招聘职位数据爬取爬虫系统 含结果数据集和全部源代码
# -*- coding: utf-8 -*-
import scrapy
from Tencent.items import TencentItem
class TencentpostionSpider(scrapy.Spider):
name = 'tencentPosition'
allowed_domains = ['tencent.com']
url = "http://hr.tencent.com/position.php?&start="
offset = 0
# 起始url
start_urls = [url + str(offset)]
def parse(self, response):
for each in response.xpath("//tr[@class='even'] | //tr[@class='odd']"):
# 初始化模型对象
item = TencentItem()
# 职位名称
item['positionname'] = each.xpath("./td[1]/a/text()").extract()[0]
# 详情连接
item['positionlink'] = each.xpath("./td[1]/a/@href").extract()[0]
# 职位类别
item['positionType'] = each.xpath("./td[2]/text()").extract()[0]
# 招聘人数
item['peopleNum'] = each.xpath("./td[3]/text()").extract()[0]
# 工作地点
item['workLocation'] = each.xpath("./td[4]/text()").extract()[0]
# 发布时间
item['publishTime'] = each.xpath("./td[5]/text()").extract()[0]
yield item
if self.offset < 1680:
self.offset += 10
# 每次处理完一页的数据之后,重新发送下一页页面请求
# self.offset自增10,同时拼接为新的url,并调用回调函数self.parse处理Response
yield scrapy.Request(self.url + str(self.offset), callback=self.parse)