// Parse html dom here and record the parse result that we want to Page. // Package goquery (http://godoc.org/github.com/PuerkitoBio/goquery) is used to parse html. func (this *MyPageProcesser) Process(p *page.Page) { if !p.IsSucc() { println(p.Errormsg()) return } query := p.GetHtmlParser() currentUrl := p.GetRequest().GetUrl() var urls []string query.Find("a").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") urlHref, err := url.Parse(href) if err != nil { mlog.LogInst().LogError(err.Error()) return } if !urlHref.IsAbs() { href = currentUrl + href } // Temporarily check in crawler.go, it will be implemented in pattern package. if checkMatchPattern(base, href) { visited, _ := rep.CheckIfVisited(href) if !visited { rep.VisitedNewNode(href) // urls = append(urls, href) urlstr.UploadURL(href) } } }) // store content to db fmt.Printf("====store & commit : %s====\n\n\n", currentUrl) content, _ := query.Html() // content := "" storage.StoreInsert(collection, storage.StoreFormat{currentUrl, content}) urlstr.CommitURL(currentUrl) releaseSlot <- 1 url := GetOneURL() if url != "" { urls = append(urls, url) } p.AddTargetRequests(urls, "html") }
func (this *MyProcessor) Process(p *page.Page) { if !p.IsSucc() { mlog.LogInst().LogError(p.Errormsg()) return } u, err := url.Parse(p.GetRequest().GetUrl()) if err != nil { mlog.LogInst().LogError(err.Error()) return } if !strings.HasSuffix(u.Host, "jiexieyin.org") { return } var urls []string query := p.GetHtmlParser() query.Find("a").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") reJavascript := regexp.MustCompile("^javascript\\:") reLocal := regexp.MustCompile("^\\#") reMailto := regexp.MustCompile("^mailto\\:") if reJavascript.MatchString(href) || reLocal.MatchString(href) || reMailto.MatchString(href) { return } //处理相对路径 var absHref string urlHref, err := url.Parse(href) if err != nil { mlog.LogInst().LogError(err.Error()) return } if !urlHref.IsAbs() { urlPrefix := p.GetRequest().GetUrl() absHref = urlPrefix + href urls = append(urls, absHref) } else { urls = append(urls, href) } }) p.AddTargetRequests(urls, "html") }
func (this MyPageProcesser) Process(p *page.Page) { query := p.GetHtmlParser() if p.GetUrlTag() == "index" { query.Find(`div[class="main area"] div[class="lc"] ul li a`).Each(func(i int, s *goquery.Selection) { url, isExsit := s.Attr("href") if isExsit { reg := regexp.MustCompile(`^do not know what is this`) var fmtStr string if rxYule.MatchString(url) { reg = rxYule fmtStr = wkSohuYule } if rxPic.MatchString(url) { reg = rxPic fmtStr = wkSohuPic } regxpArrag := reg.FindStringSubmatch(url) if len(regxpArrag) == 2 { addRequest(p, "changyan", fmt.Sprintf(fmtStr, regxpArrag[1]), "", s.Text()) } } }) } if p.GetUrlTag() == "changyan" { jsonMap := ChangyanJson{} err := json.NewDecoder(strings.NewReader(p.GetBodyStr())).Decode(&jsonMap) if err == nil { content, ok := p.GetRequest().GetMeta().(string) if ok { fmt.Println("Title:", content, " CommentCount:", jsonMap.ListData.OuterCmtSum, " ParticipationCount:", jsonMap.ListData.ParticipationSum) } } } }
// Parse html dom here and record the parse result that we want to Page. // Package goquery (http://godoc.org/github.com/PuerkitoBio/goquery) is used to parse html. func (this *MyPageProcesser) Process(p *page.Page) { if !p.IsSucc() { println(p.Errormsg()) return } var crawok bool crawok = false //query := p.GetHtmlParser() //var urls []string //fmt.Println(p.GetBodyStr()) re := regexp.MustCompile(`<a href="(.*?)">(.*?)`) sectUrlsTemp := re.FindAllSubmatch([]byte(p.GetBodyStr()), -1) for _, url := range sectUrlsTemp { for _, url1 := range url { crawok = true http_index := strings.Index(string(url1), "http://shinichr.diandian.com") http_note := strings.Index(string(url1), "\"") http_quote := strings.Index(string(url1), "#") if http_index >= 0 && http_quote < 0 { if http_note > 0 && http_note < http_index { continue } var http_url string if http_note <= 0 { http_url = string(url1)[http_index:] } else { http_url = string(url1)[http_index:http_note] } if this.visit_url[http_url] == 0 { this.visit_url[http_url] = 1 fmt.Println("####unvisited:", http_url) //fmt.Println("###AddTargetRequest:", http_url) p.AddTargetRequest(http_url, "html") } } } } if crawok == false { fmt.Println("crawl false:*****************", p.GetRequest().GetUrl()) http_page := strings.Index(p.GetRequest().GetUrl(), "http://shinichr.diandian.com/page") http_post := strings.Index(p.GetRequest().GetUrl(), "http://shinichr.diandian.com/post") fmt.Println("http_page:", http_page, "http_post:", http_post) if http_page >= 0 || http_post >= 0 { //this.visit_url[p.GetRequest().GetUrl()] = 0 p.AddTargetRequest(p.GetRequest().GetUrl(), "html") } } http_index := strings.Index(p.GetRequest().GetUrl(), "http://shinichr.diandian.com/post/") // rex, _ := regexp.Compile("\\/") //replaceurl := rex.ReplaceAllString(p.GetRequest().GetUrl(), ".") //fmt.Println("http_index=", http_index) //fmt.Println("replaceurl=", p.GetRequest().GetUrl()[http_index:], "....", http_index) if http_index >= 0 { cuturl := p.GetRequest().GetUrl()[34:] //fmt.Println("replaceurl=", cuturl) rex, _ := regexp.Compile("\\/") replaceurl := rex.ReplaceAllString(cuturl, ".") filedir := fmt.Sprintf("/home/shinichr/diandian_post/%s", replaceurl) fout, err := os.Create(filedir) if err != nil { fmt.Println(filedir, err) return } defer fout.Close() src := p.GetBodyStr() re, _ := regexp.Compile("\\<[\\S\\s]+?\\>") src = re.ReplaceAllStringFunc(src, strings.ToLower) //去除STYLE re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>") src = re.ReplaceAllString(src, "") //去除SCRIPT re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>") src = re.ReplaceAllString(src, "") //去除所有尖括号内的HTML代码,并换成换行符 re, _ = regexp.Compile("\\<[\\S\\s]+?\\>") src = re.ReplaceAllString(src, "\n") //去除连续的换行符 re, _ = regexp.Compile("\\s{2,}") src = re.ReplaceAllString(src, "\n") //fmt.Println(strings.TrimSpace(src)) fout.WriteString(html.UnescapeString(src)) fmt.Println("save file ", filedir) } //query.Find(`div[class="rich-content] div[class="post"] div[class="post-top"] div[class="post-content post-text"] a`).Each(func(i int, s *goquery.Selection) { /*query.Find("div.content").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") http_index := strings.Index(href, "http") http_url := href[http_index:] //fmt.Println("###url:\n", http_url, "=", this.visit_url[http_url]) //this.newurl <- http_url if this.visit_url[http_url] == 0 { this.visit_url[http_url] = 1 fmt.Println("###AddTargetRequest:", http_url) p.AddTargetRequest(http_url, "html") } urls = append(urls, href) })*/ // these urls will be saved and crawed by other coroutines. /*doc, _ := goquery.NewDocument("http://shinichr.diandian.com") doc.Find("a").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") fmt.Println("####href=", href) })*/ //p.AddField("readme", readme) }