func (this *Spider) pageProcess(req *page.Request) {
var p *page.Page
//下载页面
for i := 0; i < 3; i++ {
p = this.m_downLoader.DownLoad(req)
if p.IsSucc() {
break
}
time.Sleep(time.Microsecond * 1000)
}
if !p.IsSucc() {
this.finishForReqProcesser(req.GetUrl())
return
}
//分析页面内容
this.m_pageProcesser.Process(p)
//获取新的链接
if p.CountNewUrls() > 0 {
newUrls := p.GetNewUrls()
for tmpUrl, tmpUrlTag := range newUrls {
this.AddUrl(tmpUrl, "html", tmpUrlTag)
}
}
this.finishForReqProcesser(req.GetUrl())
//输出
for _, tmpOut := range this.m_outputs {
tmpOut.Process(p.GetPageItemsList(), p.GetRequest().GetUrl())
}
}
func (this *HttpDownLoader) downloadHtml(p *page.Page, req *page.Request) *page.Page {
p, destBody := this.downloadFile(p, req)
if !p.IsSucc() {
return p
}
p.SetBody(destBody)
return p
}
func (this *YouxiduoProcesser) Process(p *page.Page) {
if !p.IsSucc() {
println(p.GetErrMsg())
return
}
var body string = p.GetBody()
var urlTag string = p.GetRequest().GetUrlTag()
p.SetUrlTag(urlTag)
//分析这个页面是LIST页面还是内容页面
// <div class="infroList"><ul><li>...</div>===>LIST
// <div class="pagebreak">...</div>===>LIST
// CONTENT
//<div class="article"
if urlTag == "list" {
//
//1.寻找news-brief的content
regList, err := regexp.Compile(`<div class=\"infroList\">(\s|.)*<\/ul>(\s|.)*<div class=\"pagebreak\">`)
if err != nil {
logs.GetFirstLogger().Error("分析页面出错，正则表达式错误了，url = " + p.GetRequest().GetUrl())
}
var infroList []string = regList.FindAllString(body, -1)
if len(infroList) > 0 {
this.parseNewsBreifInfo(infroList[0], p)
} else {
logs.GetFirstLogger().Info("No more list items")
}
//先寻找额外的LIST页面
if !p.IsBreak() {
regPageBreak, err := regexp.Compile(`<div class=\"pagebreak\">(\s|.)+<li class=\"lastPage\">`)
if err != nil {
logs.GetFirstLogger().Error("分析页面出错，翻页正则表达式错误，url = " + p.GetRequest().GetUrl())
}
var pageBreakList []string = regPageBreak.FindAllString(body, -1)
if len(pageBreakList) > 0 {
this.parseNewsLinkListInfo(pageBreakList[0], p)
} else {
logs.GetFirstLogger().Info("No more links")
}
}
} else {
//CONTENT
this.parseNewsDetail(body, p)
}
}
