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iautos.go
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//
package main
import (
"github.com/PuerkitoBio/goquery"
"fmt"
//"github.com/robertkrimen/otto"
"log"
"regexp"
"strings"
"strconv"
"database/sql"
_ "github.com/go-sql-driver/mysql"
//"sync"
//"runtime"
//"flag"
"github.com/willf/bloom"
)
func IautosSpider(start_url string) {
fmt.Printf("Fetching: %s\n",start_url)
var is_seller,addr string
fmt.Printf("spider url is : %s\n",start_url)
if strings.Contains(start_url,"as2ds9vepcatcpbnscac") {
is_seller = "个人"
} else if strings.Contains(start_url,"as1ds9vepcatcpbnscac") {
is_seller = "商家"
}
addr = strings.Split(start_url,"/")[3]
dict := map[string]string{"jiangsu": "江苏", "anhui": "安徽","shandong": "山东", "shanghai": "上海","zhejiang": "浙江", "jiangxi": "江西"}
province, _ := dict[addr]
doc, err := goquery.NewDocument(start_url)
check(err)
var urls []string
doc.Find(".carShow ul li h4 a").Each(func(i int, s *goquery.Selection) {
href, _ := s.Attr("href")
urls = append(urls, href)
//url := s.Find("h4 a").Attr("href")
// title := s.Find("h4 a").Text()
// register_date := s.Find(".txt .set .year").Text()
// fmt.Printf("Review %d: %s - %s\n", i, title, register_date)
})
db, err := sql.Open("mysql", "panpan:panpan@tcp(192.168.2.231:3306)/spider?charset=utf8")
check(err)
defer db.Close()
for idx,url := range urls {
//fmt.Printf("Url %d : %s\n", idx, url)
filter := bloom.NewWithEstimates(100000,0.00001)
if filter.TestString(url) {
fmt.Printf("%s is already in the database,continue!\n",url)
continue
} else {
filter.AddString(url)
}
car, err := goquery.NewDocument(url)
check(err)
content := car.Find("div[class='cd-content clearfix'] .clearfix .main")
carinfo := content.Find(".cd-summary")
title := carinfo.Find("h2 b").Text()
rel_time := carinfo.Find("h2 span").Text()
re, _ := regexp.Compile(`(\d{4}|\d{2})-(\d{2})-(\d{2})`)
release_time := re.Find([]byte(rel_time))
//fmt.Println(release_time)
prices := carinfo.Find(".summary-txt .h136 .price").Text()
re, _ = regexp.Compile(`(\d+).(\d+)`)
price := re.Find([]byte(prices))
owner_readme := content.Find(".cd-details .postscript p").Text()
// execute javascript to show the telephone number
// tele_div := carinfo.Find(".summary-txt script")
// vm := otto.New()
// _, err = vm.Run(tele_div.Text())
// check(err)
telephone := carinfo.Find(".summary-txt .call-num").Text()
name := carinfo.Find(".summary-txt .seller-name span").Text()
var configs []string
carinfo.Find(".summary-txt .h136 dl dd").Each(func(i int, s *goquery.Selection) {
if i != 0{
configs = append(configs, s.Text())
}
})
fmt.Printf("Confis Length is : %d\n", len(configs))
var reg_date,register_date,config,address string
var mileage,displacement,transmission string
if len(configs) == 3 {
reg_date, config, address = configs[0], configs[1], configs[2]
} else if len(configs) == 4 {
reg_date, config, address = configs[0], configs[1], configs[3]
}
reg_date2 := strings.Replace(reg_date, "年", "-", -1)
register_date = strings.Replace(reg_date2, "月", "-", -1)
register_date += "01"
address = province + address
for _, val := range strings.Split(config,"，") {
if strings.Contains(val,"万公里") {
re, _ = regexp.Compile(`(\d+).(\d+)`)
mid_var := re.Find([]byte(val))
if len(mileage) == 0 {
mileage = string(mid_var)
}
} else if strings.Contains(val,"L") {
re, _ = regexp.Compile(`(\d+).(\d+)`)
mid_var := re.Find([]byte(val))
if len(displacement) == 0 {
displacement = string(mid_var)
}
} else {
if strings.Contains(val,"手动") {
transmission = "手动"
} else if strings.Contains(val,"自动") {
transmission = "自动"
} else if strings.Contains(val,"手自一体") {
transmission = "手自一体"
}
}
}
fmt.Printf("里程：%s\n", mileage)
fmt.Printf("排量：%s\n", displacement)
fmt.Printf("变速箱：%s\n", transmission)
fmt.Printf("车主姓名：%s\n", name)
fmt.Printf("商家或个人：%s\n", is_seller)
fmt.Printf("详细地址：%s\n", address)
fmt.Printf("Info %d : %s - %s - %s - %s - %s - %s - %s - %s \n %s", idx, url, title, release_time, price, register_date, config, address, telephone, owner_readme)
// Prepare statement for inserting data
stmtIns, err := db.Prepare("insert ignore into sell_car_info(title,car_config,name,telephone_num,addrs,release_time,prices,is_seller,info_src,url,owner_readme,mileage,register_date,transmission,displacement) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)")
check(err)
defer stmtIns.Close()
_, err = stmtIns.Exec(title,config,name,telephone,address,release_time,price,is_seller,"iautos",url,owner_readme,mileage,register_date,transmission,displacement)
check(err)
}
}
// fatal if there is an error
func check(err error) {
if err != nil {
log.Fatal(err)
}
}
func main() {
var start_urls []string
for i :=1; i < 5; i++ {
start_urls = append(start_urls,"http://so.iautos.cn/jiangsu/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/anhui/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/shandong/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/shanghai/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/zhejiang/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/jiangxi/p" + strconv.Itoa(i) + "as2ds9vepcatcpbnscac/")
}
for i :=1; i < 8; i++ {
start_urls = append(start_urls,"http://so.iautos.cn/jiangsu/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/anhui/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/shandong/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/shanghai/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/zhejiang/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
start_urls = append(start_urls,"http://so.iautos.cn/jiangxi/p" + strconv.Itoa(i) + "as1ds9vepcatcpbnscac/")
}
queue := make(chan string,12)
go enqueue(start_urls,queue)
for uri := range queue {
IautosSpider(uri)
}
}
func enqueue(start_urls []string,c chan string) {
for _, start_url := range start_urls {
c <- start_url
}
close(c)
}