本地运行后可以看火影漫画

manhua.go

package main
// open http://localhost:8000

import (
  "net/http"
	"io/ioutil"
	"regexp"
)

var RePic = regexp.MustCompile(`"http://pic2.52pk.com/files[^"]+`)

func item(w http.ResponseWriter, req *http.Request) {
	q := req.URL.Query()
	url := ""
	for k, _ := range q {
		url = k
		break
	}
	data := getContent("http://anime.52pk.com/manhua/narutocn/" + url + ".shtml")
	re := regexp.MustCompile(`"http://anime.52pk.com/manhua/narutocn/` + url + `_\d+.shtml"`)
	urlsByte := re.FindAllSubmatch(data, -1)
	if len(urlsByte) <= 0 { return }
	urls := make([]string, len(urlsByte))
	length := 0
	for _, u := range urlsByte {
		uu := string(u[0])
		uu = uu[1: len(uu)-1]
		isSame := false
		for _, url := range urls {
			if url == uu {
				isSame = true
				break
			}
		}
		if isSame { continue }
		urls[length] = uu
		length ++
	}
	urls = urls[:length]
	w.Header().Set("Content-Type", "text/html;charset=UTF-8")
	for _, u := range urls {
		data := getContent(u)
		url := RePic.Find(data)[1:]
		w.Write([]byte(`<img src="` + string(url) + `" />`))
		w.(http.Flusher).Flush()
	}
	re = regexp.MustCompile(`xh"><a href="[^"]+/(\d+)\.shtml`)
	next := re.FindSubmatch(data)
	if len(next) <= 0 {
		w.Write([]byte("<br/>没有下一话了"))
	} else {
	    w.Write([]byte(`<br><a href="?` + string(next[1]) + `">下一话</a>`))
	}
}

func getContent(path string) []byte {
	ret, err := http.Get(path)
	if err != nil {
		panic(err)
	}
	defer ret.Body.Close()
	body, err := ioutil.ReadAll(ret.Body)
	if err != nil { panic(err) }
	return body
}

func index(w http.ResponseWriter, req *http.Request) {
	data := getContent("http://manhua.52pk.com/ip/manhua_10.html")
	data = regexp.MustCompile(`http://anime.52pk.com/manhua/narutocn/(\d+)\.shtml`).FindSubmatch(data)[1]
	w.Header().Set("Location", "/huoying?" + string(data))
	w.WriteHeader(302)
}

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/", index)
	mux.HandleFunc("/huoying", item)
	panic(http.ListenAndServe(":8000", mux))
}