本文整理汇总了Golang中github.com/hu17889/go_spider/core/common/page.Page.AddField方法的典型用法代码示例。如果您正苦于以下问题:Golang Page.AddField方法的具体用法?Golang Page.AddField怎么用?Golang Page.AddField使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/hu17889/go_spider/core/common/page.Page
的用法示例。
在下文中一共展示了Page.AddField方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: Process
// 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)
}
示例2: Process
// 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) {
query := p.GetHtmlParser()
var urls []string
query.Find("#threadlisttableid tbody").Each(func(i int, s *goquery.Selection) {
if s.HasClass("emptb") {
return
}
href, _ := s.Find("tbody tr .icn a").Attr("href")
urls = append(urls, href)
})
// these urls will be saved and crawed by other coroutines.
p.AddTargetRequests(urls, "html")
title := query.Find("#thread_subject").Text()
title = strings.Trim(title, "\t\n\r")
author := query.Find("#postlist div .authi").Eq(0).Text()
author = strings.Trim(author, "\t\r\n")
if title == "" || author == "" {
p.SetSkip(true)
}
p.AddField("title", title)
p.AddField("author", author)
}
示例3: getName
func (this *PlantProcesser) getName(query *goquery.Document, p *page.Page) {
name := query.Find(".lemmaWgt-lemmaTitle-title").Find("h1").Text()
name = strings.Trim(name, " \t\n")
p.AddField("name", name)
}
示例4: Process
// 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) {
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)
}
示例5: Process
// 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())
}
示例6: Process
// 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 fetch_content string
query := p.GetHtmlParser()
content := p.GetBodyStr()
reg := regexp.MustCompile(`class="([0-9a-zA-Z_-]*content[0-9a-zA-Z_-]*)"`)
reg_res := reg.FindAllStringSubmatch(content, -1)
class_content := make([]string, 0)
for _, class := range reg_res {
submatch := class[1]
class_content = append(class_content, submatch)
}
removeDuplicate(&class_content)
for _, class := range class_content {
query.Find("." + class).Each(func(i int, s *goquery.Selection) {
text := strings.Trim(s.Text(), " \t\n")
text = strings.Replace(text, " ", "", -1)
text = strings.Replace(text, "\n", "", -1)
text = strings.Replace(text, "\t", "", -1)
if text != "" {
fetch_content = fetch_content + text
}
})
}
if fetch_content != "" {
p.AddField("content", fetch_content)
}
}
示例7: getSummary
func (this *PlantProcesser) getSummary(query *goquery.Document, p *page.Page) {
summary := query.Find(".lemma-summary .para").Text()
summary = strings.Trim(summary, " \t\n")
p.AddField("summary", summary)
}
示例8: getCatalog
func (this *PlantProcesser) getCatalog(query *goquery.Document, p *page.Page) {
catalog := query.Find(".lemma-catalog").Find("span.text").Text()
catalog = strings.Trim(catalog, " \t\n")
p.AddField("catalog", catalog)
}