// 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()) }
// 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) }