FTP上传下载应用

import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import sun.net.TelnetInputStream; import sun.net.TelnetOutputStream; import sun.net.ftp.FtpClient; public class FtpTool {     String ip;     int port;     String user;     String pwd;     String remotePath;     String localPath;     FtpClient ftpClient;     public String getIp() {         return ip;     }     public void setIp(String ip) {         this.ip = ip;     }     public int getPort() {         return port;     }     public void setPort(int port) {         this.port = port;     }     public String getUser() {         return user;     }     public void setUser(String user) {         this.user = user;     }     public String getPwd() {         return pwd;     }     public void setPwd(String pwd) {         this.pwd = pwd;     }     public String getRemotePath() {         return remotePath;     }     public void setRemotePath(String remotePath) {         this.remotePath = remotePath;     }     public String getLocalPath() {         return localPath;     }     public void setLocalPath(String localPath) {         this.localPath = localPath;     }     public FtpClient getFtpClient() {         return ftpClient;     }     public void setFtpClient(FtpClient ftpClient) {         this.ftpClient = ftpClient;     }     public boolean connectServer(String ip, int port, String user, String pwd)             throws Exception {         boolean isSuccess = false;         try {             ftpClient = new FtpClient();             ftpClient.openServer(ip, port);             ftpClient.login(user, pwd);             isSuccess = true;         } catch (Exception ex) {             throw new Exception("Connect ftp server error:" + ex.getMessage());         }         return isSuccess;     }     public void downloadFile(String remotePath,String localPath, String filename) throws Exception {         try {             if (connectServer(getIp(), getPort(), getUser(), getPwd())) {                 if (remotePath.length() != 0)                     ftpClient.cd(remotePath);                 ftpClient.binary();                 TelnetInputStream is = ftpClient.get(filename);                 File file_out = new File(localPath + File.separator + filename);                 FileOutputStream os = new FileOutputStream(file_out);                 byte[] bytes = new byte[1024];                 int c;                 while ((c = is.read(bytes)) != -1) {                     os.write(bytes, 0, c);                 }                 is.close();                 os.close();                 ftpClient.closeServer();             }         } catch (Exception ex) {             throw new Exception("ftp download file error:" + ex.getMessage());         }     }     public void uploadFile(String remotePath,String localPath, String filename) throws Exception {         try {             if (connectServer(getIp(), getPort(), getUser(), getPwd())) {                 if (remotePath.length() != 0)                     ftpClient.cd(remotePath);                 ftpClient.binary();                 TelnetOutputStream os = ftpClient.put(filename);                 File file_in = new File(localPath + File.separator + filename);                 FileInputStream is = new FileInputStream(file_in);                 byte[] bytes = new byte[1024];                 int c;                 while ((c = is.read(bytes)) != -1) {                     os.write(bytes, 0, c);                 }                 is.close();                 os.close();                 ftpClient.closeServer();             }         } catch (Exception ex) {             throw new Exception("ftp upload file error:" + ex.getMessage());         }     } }

单元测试代码：

测试目录结构：D:\upload\为FTP主目录 

D:\upload\To为FTP主目录下的子目录

import static org.junit.Assert.*; import junit.framework.TestCase; import org.junit.After; import org.junit.Before; import org.junit.Test; public class FtpToolTest extends TestCase{     FtpTool ftpTool;     public FtpToolTest(String arg0) {         super(arg0);     }     @Before     public void setUp() throws Exception {         ftpTool = new FtpTool();         ftpTool.setIp("10.151.125.74");         ftpTool.setPort(21);         ftpTool.setUser("test");         ftpTool.setPwd("test");         ftpTool.setRemotePath(".\\To\\");         super.setUp();     }     @After     public void tearDown() throws Exception {         super.tearDown();     } //    @Test //    public void testDownloadFile() { //        try { //            ftpTool.downloadFile(ftpTool.getRemotePath(),"d:/upload","sourcefile.txt"); //        } catch (Exception e) { //            e.printStackTrace(); //        } //    }      //    @Test //    public void testUploadFile() { //        try { //            ftpTool.uploadFile(ftpTool.getRemotePath(),"d:/upload","descfile.txt"); //        } catch (Exception e) { //            e.printStackTrace(); //        } //    }          public static void main(String[] args) {         junit.textui.TestRunner.run(FtpToolTest.class);     } }