Java实现ftp上传文件、文件夹

import java.io.File;import java.io.FileInputStream;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPReply;public class test {private FTPClient ftp;/**** @param path 上传到ftp服务器哪个路径下* @param addr 地址* @param port 端口号* @param username 用户名* @param password 密码* @return* @throws Exception*/private boolean connect(String path,String addr,int port,String username,String password) throws Exception {boolean result = false;ftp = new FTPClient();int reply;ftp.connect(addr,port);ftp.login(username,password);ftp.setFileType(FTPClient.BINARY_FILE_TYPE);reply = ftp.getReplyCode();if (!FTPReply.isPositiveCompletion(reply)) {ftp.disconnect();return result;}ftp.changeWorkingDirectory(path);result = true;return result;}/**** @param file 上传的文件或文件夹* @throws Exception*/private void upload(File file) throws Exception{if(file.isDirectory()){ftp.makeDirectory(file.getName());ftp.changeWorkingDirectory(file.getName());String[] files = file.list();for (int i = 0; i < files.length; i++) {File file1 = new File(file.getPath()+"\\"+files[i] );if(file1.isDirectory()){upload(file1);ftp.changeToParentDirectory();}else{File file2 = new File(file.getPath()+"\\"+files[i]);FileInputStream input = new FileInputStream(file2);ftp.storeFile(file2.getName(), input);input.close();}}}else{File file2 = new File(file.getPath());FileInputStream input = new FileInputStream(file2);ftp.storeFile(file2.getName(), input);input.close();}}public static void main(String[] args) throws Exception{test t = new test();t.connect("", "localhost", 21, "yhh", "yhhazr");File file = new File("e:\\uploadify");t.upload(file);}}

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