apache FTP

<dependencies> ???<!--FtpClient所在的包--> ???<dependency> ???????<groupId>commons-net</groupId> ???????<artifactId>commons-net</artifactId> ???????<version>3.6</version> ???</dependency> ???<!--日志--> ???<dependency> ?????????<groupId>org.slf4j</groupId> ?????????<artifactId>slf4j-log4j12</artifactId> ?????????<version>1.7.2</version> ?????</dependency> ???<!--单元测试--> ???<dependency> ???????<groupId>junit</groupId> ???????<artifactId>junit</artifactId> ???????<version>4.8.1</version> ???????<scope>test</scope> ???</dependency> ?</dependencies>

public static void main(String[] args) throws IOException { ??????// uploadFile(); ???????FTPClient ftpClient = new FTPClient(); ???????ftpClient.setControlEncoding("UTF-8"); ???????ftpClient.connect("192.168.10.200",21); ???????ftpClient.login("root", "123456"); ???????String path="aa/bb1/cc1"; ???????String fileName="1.png"; ???????InputStream in = new FileInputStream("d://1.png"); ???????uploadFile(ftpClient, path, in); ???} ???private static void uploadFile(FTPClient ftpClient, String path, InputStream in) throws IOException { ???????int replyCode = ftpClient.getReplyCode(); ???????ftpClient.setDataTimeout(120000); ???????//设置为二进制文件 ???????ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ???????if (!FTPReply.isPositiveCompletion(replyCode)) { ???????????ftpClient.disconnect(); ???????????System.out.println("FTP连接失败"); ???????}else { ???????????System.out.println("FTP连接成功"); ???????} ???????boolean changeWorkingDirectory = ftpClient.changeWorkingDirectory(path); ???????//文件夹切换失败，则创建文件夹 ???????if(!changeWorkingDirectory){ ???????????String[] split = path.split("/"); ???????????for (String s : split) { ???????????????if (ftpClient.changeWorkingDirectory(s)) { ???????????????????continue; ???????????????} ???????????????boolean makeDirectory = ftpClient.makeDirectory(s); ???????????????if (makeDirectory) { ???????????????????boolean b = ftpClient.changeWorkingDirectory(s); ???????????????????if(!b){ ???????????????????????throw new RuntimeException("切换目录失败"); ???????????????????} ???????????????} ???????????} ???????} ???????String removePath = new String("1.png".getBytes("UTF-8"),"iso-8859-1"); ???????//上传 ???????ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE); ???????if(ftpClient.storeFile(removePath, in)){ ???????????System.out.println("文件上传成功"); ???????}else{ ???????????System.out.println("文件上传失败"); ???????} ???????//关闭文件流 ???????in.close(); ???????//关闭连接 ???????if (ftpClient != null) { ???????????ftpClient.logout(); ???????????ftpClient.disconnect(); ???????} ???}

 ???public static void downLoadFile(FTPClient ftpClient, String remoteFile) throws IOException { ???????int replyCode = ftpClient.getReplyCode(); ???????ftpClient.setDataTimeout(120000); ???????//设置为二进制文件 ???????ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ???????if (!FTPReply.isPositiveCompletion(replyCode)) { ???????????ftpClient.disconnect(); ???????????System.out.println("FTP连接失败"); ???????} else { ???????????System.out.println("FTP连接成功"); ???????} ???????// 同理，假如指定不存在的路径，会去根路径下查找 ftpClient.changeWorkingDirectory("test2"); ???????File file = new File("d://11.png"); ???????FileOutputStream fos = new FileOutputStream(file); ???????boolean result = ftpClient.retrieveFile(remoteFile, fos); ???????if (result) { ???????????System.out.println("下载成功!"); ???????} else { ???????????System.out.println("下载失败!"); ???????} ???????//关闭文件流 ???????fos.flush(); ???????fos.close(); ???????//关闭连接 ???????if (ftpClient != null) { ???????????ftpClient.logout(); ???????????ftpClient.disconnect(); ???????} ???}