Go语言实现Windows命令行下载文件.

package mainimport ("fmt""io""net/http""os""strings""sync")var go_lock sync.WaitGroupfunc main() {if len(os.Args) < 2 {fmt.Println("Param error!")return}for _, v := range os.Args[1:] {go_lock.Add(1)fmt.Printf("Get %s\n", v)go client(v)}go_lock.Wait()}func client(url string) {resp, err := http.Get(url)if err != nil {fmt.Println(err)return}fmt.Printf("Host %s \nrequest status :%d\nfilelength :%d bytes\n",resp.Request.URL.Host, resp.StatusCode,resp.ContentLength)defer func() {resp.Body.Close()go_lock.Done()}()path := resp.Request.URL.Pathif !strings.HasSuffix(path, "/") {path = path + "/"}list := strings.Split(path, "/")filename := list[len(list)-2]File, err := os.Create(filename)if err != nil {fmt.Println(err)return}io.Copy(File, resp.Body)File.Close()}