package main
import (
"fmt"
"strconv"
"net/http"
"io/ioutil"
"regexp"
"strings"
)
func main(){
writeChan := make([]chan int,26)
for i:=0;i<26;i++{
writeChan[i] = make(chan int)
go DownloadOnePage(i,writeChan[i])
}
for _,ch := range writeChan{
<-ch
}
}
func DownloadOnePage(index int, writeChan chan int){
var url = "http://www.umei.cc/p/gaoqing/cn/"+strconv.Itoa(index+1)+".htm"
var pageStr = GetStrByUrl(url)
var match = regexp.MustCompile(`src="(https?:.*.jpg)"`)
var results = match.FindAllStringSubmatch(pageStr,-1)
for _, result := range results{
fmt.Println("title:", result[1])
var imageUrl = result[1]
var fileName = strings.Split(imageUrl,"/")
var filePath = "D:/go_project/practice/image/"+fileName[len(fileName)-1]
DownloadImg(result[1],filePath)
}
writeChan <- 1
}
func GetStrByUrl(url string) string {
resp, err := http.Get(url)
fmt.Println(resp)
if nil != err{
fmt.Println(err)
}
defer resp.Body.Close()
fmt.Println(resp.StatusCode)
respBytes, err :=ioutil.ReadAll(resp.Body)
if nil != err{
fmt.Println(err)
}
respStr := string(respBytes)
return respStr
}
func DownloadImg(imageUrl, fileName string){
resp, err := http.Get(imageUrl)
fmt.Println(resp)
if nil != err{
fmt.Println(err)
return
}
defer resp.Body.Close()
respBytes, err :=ioutil.ReadAll(resp.Body)
if nil != err{
fmt.Println(err)
return
}
ioutil.WriteFile(fileName, respBytes, 0666)
}
