JAVA实现FTP文件及目录
使用开源项目：ftp4j
http://www.sauronsoftware.it/projects/ftp4j/
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import java.io.File;import it.sauronsoftware.ftp4j.FTPClient;import it.sauronsoftware.ftp4j.FTPFile;public class JavaFtp {private FTPClient client =null;public void init(){try {client = new FTPClient();client.connect("192.168.1.248", 21);client.login("db2inst1", "db2inst1");} catch (Exception e) {e.printStackTrace();}}public static void main(String[] args) {try {JavaFtp javaFtp=new JavaFtp();javaFtp.init();javaFtp.download("E://test", "/test/");javaFtp.close();} catch (Exception e) {e.printStackTrace();}}public void download(String localpath,String clientpath){try { if(clientpath!=null&&clientpath.length()>=0){client.changeDirectory(clientpath);}FTPFile[] list = client.list();for(int i=0;i<list.length;i++){FTPFile file = list[i];System.out.println(file.getType());if(file.getType()==FTPFile.TYPE_DIRECTORY){File temp=new File(localpath+File.separator+file.getName());if(!temp.exists()){temp.mkdir();}download(localpath+File.separator+file.getName(),file.getName());}else if(file.getType()==FTPFile.TYPE_FILE){File localfile=new File(localpath+File.separator+file.getName());client.download(file.getName(), localfile);}} } catch (Exception e) {e.printStackTrace();}}public void close(){try { client.disconnect(true);} catch (Exception e) {e.printStackTrace();}}}