r语言也可以爬虫
举个例子
library(rvest)
url <- 'http://sou.zhaopin.com/jobs/searchresult.ashx?jl=北京&kw=阿里巴巴'
web <- read_html(url)
job_title_nodes <- html_nodes(web, xpath = '//td[@class="zwmc"]/div/a')
job_title <- html_text(job_title_nodes)
job_title[1:2]
## [1] "阿里妈妈-java研发专家-北京" "大文娱-APP推广-PP助手&豌豆荚"