// 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() query.Find(`div[class="wx-rb bg-blue wx-rb_v1 _item"]`).Each(func(i int, s *goquery.Selection) { name := s.Find("div.txt-box > h3").Text() href, _ := s.Attr("href") fmt.Printf("WeName:%v link:http://http://weixin.sogou.com%v \r\n", name, href) // the entity we want to save by Pipeline p.AddField("name", name) p.AddField("href", href) }) next_page_href, _ := query.Find("#sogou_next").Attr("href") if next_page_href == "" { p.SetSkip(true) } else { p.AddTargetRequestWithHeaderFile("http://weixin.sogou.com/weixin"+next_page_href, "html", "weixin.sogou.com.json") } }
// 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() var urls []string query.Find("h3[class='repo-list-name'] a").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") urls = append(urls, "http://github.com/"+href) }) // these urls will be saved and crawed by other coroutines. p.AddTargetRequests(urls, "html") name := query.Find(".entry-title .author").Text() name = strings.Trim(name, " \t\n") repository := query.Find(".entry-title .js-current-repository").Text() repository = strings.Trim(repository, " \t\n") //readme, _ := query.Find("#readme").Html() if name == "" { p.SetSkip(true) } // the entity we want to save by Pipeline p.AddField("author", name) p.AddField("project", repository) //p.AddField("readme", readme) }
// Parse html dom here and record the parse result that we want to crawl. // Package simplejson (https://github.com/bitly/go-simplejson) is used to parse data of json. func (this *MyPageProcesser) Process(p *page.Page) { if !p.IsSucc() { println(p.Errormsg()) return } query := p.GetJson() status, err := query.GetPath("result", "status", "code").Int() if status != 0 || err != nil { log.Panicf("page is crawled error : errorinfo=%s : status=%d : startNewsId=%d", err.Error(), status, this.startNewsId) } num, err := query.GetPath("result", "pageStr", "pageSize").Int() if num == 0 || err != nil { // Add url of next crawl startIdstr := strconv.Itoa(this.startNewsId) p.AddTargetRequest("http://live.sina.com.cn/zt/api/l/get/finance/globalnews1/index.htm?format=json&id="+startIdstr+"&pagesize=10&dire=f", "json") return } var idint, nextid int var nextidstr string query = query.Get("result").Get("data") for i := 0; i < num; i++ { id, err := query.GetIndex(i).Get("id").String() if id == "" || err != nil { continue } idint, err = strconv.Atoi(id) if err != nil { continue } if idint <= this.startNewsId { break } if i == 0 { nextid = idint nextidstr = id } content, err := query.GetIndex(i).Get("content").String() if content == "" || err != nil { continue } time, err := query.GetIndex(i).Get("created_at").String() if err != nil { continue } p.AddField(id+"_id", id) p.AddField(id+"_content", content) p.AddField(id+"_time", time) } // Add url of next crawl this.startNewsId = nextid p.AddTargetRequest("http://live.sina.com.cn/zt/api/l/get/finance/globalnews1/index.htm?format=json&id="+nextidstr+"&pagesize=10&dire=f", "json") //println(p.GetTargetRequests()) }
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") }
// Parse html dom here and record the parse result that we want to crawl. // 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() name := query.Find(".lemmaTitleH1").Text() name = strings.Trim(name, " \t\n") summary := query.Find(".card-summary-content .para").Text() summary = strings.Trim(summary, " \t\n") // the entity we want to save by Pipeline p.AddField("name", name) p.AddField("summary", summary) }
// Parse html dom here and record the parse result that we want to crawl. // 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 } html := p.GetBodyStr() newUrls := urlutil.GetAllUrlIn(p.GetRequest().GetUrl(), html) for _, newUrl := range newUrls { newUrl = strings.Replace(newUrl, "//weibo.com/", "//tw.weibo.com/", -1) p.AddTargetRequest(newUrl, "html") } mailAddrList := mailaddrutil.GetAllMailAddrIn(html) for _, mailAddr := range mailAddrList { if _, ok := this.mailAddrMap[mailAddr]; !ok { this.mailAddrMap[mailAddr] = true this.mailLogger.WriteString(mailAddr + "\n") this.MailHandle.Push(mailAddr) } } }
// 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.GetUrlTag() == "site_login" { //fmt.Printf("%v\n", p.GetCookies()) this.cookies = p.GetCookies() // AddTargetRequestWithParams Params: // 1. Url. // 2. Responce type is "html" or "json" or "jsonp" or "text". // 3. The urltag is name for marking url and distinguish different urls in PageProcesser and Pipeline. // 4. The method is POST or GET. // 5. The postdata is body string sent to sever. // 6. The header is header for http request. // 7. Cookies // 8. Http redirect function if len(this.cookies) != 0 { p.AddField("info", "get cookies success") req := request.NewRequest("http://backadmin.hucong.net/site/index", "html", "site_index", "GET", "", nil, this.cookies, nil, nil) p.AddTargetRequestWithParams(req) } else { p.AddField("info", "get cookies failed") } } else { //fmt.Printf("%v\n", p.GetBodyStr()) query := p.GetHtmlParser() pageTitle := query.Find(".page-content .page-title").Text() if len(pageTitle) != 0 { p.AddField("page_title", pageTitle) p.AddField("info", "login success") } else { p.AddField("info", "login failed") } } return if !p.IsSucc() { println(p.Errormsg()) return } query := p.GetHtmlParser() var urls []string query.Find("h3[class='repo-list-name'] a").Each(func(i int, s *goquery.Selection) { href, _ := s.Attr("href") urls = append(urls, "http://github.com/"+href) }) // these urls will be saved and crawed by other coroutines. p.AddTargetRequests(urls, "html") name := query.Find(".entry-title .author").Text() name = strings.Trim(name, " \t\n") repository := query.Find(".entry-title .js-current-repository").Text() repository = strings.Trim(repository, " \t\n") //readme, _ := query.Find("#readme").Html() if name == "" { p.SetSkip(true) } // the entity we want to save by Pipeline p.AddField("author", name) p.AddField("project", repository) //p.AddField("readme", readme) }