/
diandianPostSpider.go
executable file
·185 lines (151 loc) · 5.31 KB
/
diandianPostSpider.go
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package main
import (
"fmt"
"github.com/hu17889/go_spider/core/common/page"
"github.com/hu17889/go_spider/core/pipeline"
"github.com/hu17889/go_spider/core/spider"
"html"
"os"
"regexp"
"strings"
//"sync"
)
type MyPageProcesser struct {
visit_url map[string]int
newurl chan string
}
func NewMyPageProcesser() *MyPageProcesser {
return &MyPageProcesser{}
}
func (this *MyPageProcesser) Init() {
this.visit_url = make(map[string]int)
//this.newurl = make(chan string, 10)
//fmt.Println("process init")
}
// 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)
}
func (this *MyPageProcesser) Finish() {
fmt.Printf("TODO:before end spider \r\n")
}
func main() {
pageProcess := NewMyPageProcesser()
pageProcess.Init()
diandianSpider := spider.NewSpider(pageProcess, "TaskName").
AddUrl("http://shinichr.diandian.com/", "html"). // Start url, html is the responce type ("html" or "json" or "jsonp" or "text")
AddPipeline(pipeline.NewPipelineConsole()). // Print result on screen
AddPipeline(pipeline.NewPipelineFile("/home/shinichr/spider.tmp")).
SetThreadnum(10000) // Crawl request by three Coroutines
for i := 2; i < 10; i++ {
url := fmt.Sprintf("http://shinichr.diandian.com/page/%d", i)
diandianSpider.AddUrl(url, "html")
}
diandianSpider.Run()
for url, _ := range pageProcess.visit_url {
fmt.Println("spider:", url)
}
}