forked from gocolly/colly
/
basic.go
33 lines (26 loc) · 840 Bytes
/
basic.go
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package main
import (
"fmt"
"github.com/gocolly/colly"
)
func main() {
// Instantiate default collector
c := colly.NewCollector()
// Visit only domains: hackerspaces.org, wiki.hackerspaces.org
c.AllowedDomains = []string{"hackerspaces.org", "wiki.hackerspaces.org"}
// On every a element which has href attribute call callback
c.OnHTML("a[href]", func(e *colly.HTMLElement) {
link := e.Attr("href")
// Print link
fmt.Printf("Link found: %q -> %s\n", e.Text, link)
// Visit link found on page
// Only those links are visited which are in AllowedDomains
c.Visit(e.Request.AbsoluteURL(link))
})
// Before making a request print "Visiting ..."
c.OnRequest(func(r *colly.Request) {
fmt.Println("Visiting", r.URL.String())
})
// Start scraping on https://hackerspaces.org
c.Visit("https://hackerspaces.org/")
}