ghzpbc

package main

import (
	"fmt"
	"github.com/gocolly/colly"
	"log"
	"math/rand"
)

func main() {
    fmt.Println(GetHanZiPhotoByColly())
}

func GetHanZiPhotoByColly() (string, error) {
	var i int
	var err error
	j := rand.Intn(25)
	img_url := "https://www.aiimooc.com/file/upload/201803/09/140501241.jpg"

	c := colly.NewCollector(
		colly.UserAgent("Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"),
	)

	c.OnRequest(func(r *colly.Request) {
		log.Println("Visiting", r.URL)
	})

	c.OnError(func(_ *colly.Response, erring error) {
		err = erring
		log.Println("Erroring:", erring)
	})

	c.OnResponse(func(r *colly.Response) {
		log.Println("Visited", r.Request.URL)
	})

	c.OnHTML("#content .item-img-box img", func(e *colly.HTMLElement) {
		if i == j {
			img_url = e.Attr("src")
		}
		i++
	})

	c.OnScraped(func(r *colly.Response) {
		log.Println("Finished", r.Request.URL, i, j)
	})

	c.Visit(fmt.Sprintf("http://www.shuaia.net/e/tags/index.php?page=%v&tagname=%v&line=25&tempid=3",rand.Intn(16),"帅哥"))

	if err != nil {
		return img_url, err
	} else {
		return img_url, nil
	}
}