go遍历目标

var dirList = make([]string, 0)
var fileList = make([]string, 0)
func getFilelist(path string) error {
	err := filepath.Walk(path, func(path string, f os.FileInfo, err error) error {
		if f == nil {
			return err
		}
		if !isVaild(path) {
			return filepath.SkipDir
		}
		if f.IsDir() {
			dirList = append(dirList, path)
		} else {
			fileList = append(fileList, path)
		}
		return nil
	})
	if err != nil {
		return err
	}
}