导出
docker save -o image_file_name image_name #image_file_name:要导出为的镜像文件名，image_name：镜像名导入
docker load < image_file_namedocker save -o image_file_name image_name #image_file_name:要导出为的镜像文件名，image_name：镜像名docker load < image_file_name