package main import ( "fmt" "io/ioutil" "net/http" "os" "regexp" "strings" "time" ) var name ="AI技术内参" var path string = "/Users/mac/www/book/其他书籍/"+name func main() { fileInfos,err:=ioutil.ReadDir(path) if err!=nil{ fmt.Println("ReadDir failed,error:%v ",err) return } for _,info := range fileInfos{ //1、一次性读取文件内容,还有一个 ReadAll的函数,也能读取 fileName := path + "/"+info.Name() title := strings.Split(info.Name(),".")[0] data, err := ioutil.ReadFile(fileName) if err != nil { fmt.Println(err) return } context2 := string(data) exp3 := regexp.MustCompile(`https.*.mp3`) result3 := exp3.FindAllString(context2, -1) fmt.Println(title) if len(result3) > 0 { src := result3[0] fmt.Println(src) resp, err := http.Get(src) handError(err) defer resp.Body.Close() bytesContent, err := ioutil.ReadAll(resp.Body) os.Mkdir("/Users/mac/Desktop/"+name,0777) writeToFile("/Users/mac/Desktop/"+name+"/"+title+".mp3",string(bytesContent)) time.Sleep(time.Second*1) } } } func writeToFile(path string,content string) { //func WriteFile(filename string, data []byte, perm os.FileMode) error err := ioutil.WriteFile(path, []byte(content), 0666) fmt.Println("save file "+path) if err != nil { panic(err) } } func handError(err error) { //fmt.Println(err) if err != nil{ fmt.Println(err) } }