ftp上传和下载

Java代码
1.package com.northking.dataManager.util;
2.import sun.net.ftp.*;
3.import sun.net.*;
4.import java.io.*;
5.
6./**
7. * 使用sun.net.ftp工具包进行ftp上传下载
8. * @author maochangming
9. * @date 2008-6-20 13:09:29
10. * @description:
11. */
12.public class FtpTool {
13. String ip;
14. int port;
15. String user;
16. String pwd;
17. String remotePath;
18. String localPath;
19. FtpClient ftpClient;
20.
21. /**
22. * 连接ftp服务器
23. * @param ip
24. * @param port
25. * @param user
26. * @param pwd
27. * @return
28. * @throws Exception
29. */
30. public boolean connectServer(String ip, int port, String user, String pwd)
31. throws Exception {
32. boolean isSuccess = false;
33. try {
34. ftpClient = new FtpClient();
35. ftpClient.openServer(ip, port);
36. ftpClient.login(user, pwd);
37. isSuccess = true;
38. } catch (Exception ex) {
39. throw new Exception("Connect ftp server error:" + ex.getMessage());
40. }
41. return isSuccess;
42. }
43.
44. /**
45. * 下载文件
46. * @param remotePath
47. * @param localPath
48. * @param filename
49. * @throws Exception
50. */
51. public void downloadFile(String remotePath,String localPath, String filename) throws Exception {
52. try {
53. if (connectServer(getIp(), getPort(), getUser(), getPwd())) {
54. if (remotePath.length() != 0)
55. ftpClient.cd(remotePath);
56. ftpClient.binary();
57. TelnetInputStream is = ftpClient.get(filename);
58. File file_out = new File(localPath + File.separator + filename);
59. FileOutputStream os = new FileOutputStream(file_out);
60. byte[] bytes = new byte[1024];
61. int c;
62. while ((c = is.read(bytes)) != -1) {
63. os.write(bytes, 0, c);
64. }
65. is.close();
66. os.close();
67. ftpClient.closeServer();
68. }
69. } catch (Exception ex) {
70. throw new Exception("ftp download file error:" + ex.getMessage());
71. }
72. }
73.
74. /**
75. * 上传文件
76. * @param remotePath
77. * @param localPath
78. * @param filename
79. * @throws Exception
80. */
81. public void uploadFile(String remotePath,String localPath, String filename) throws Exception {
82. try {
83. if (connectServer(getIp(), getPort(), getUser(), getPwd())) {
84. if (remotePath.length() != 0)
85. ftpClient.cd(remotePath);
86. ftpClient.binary();
87. TelnetOutputStream os = ftpClient.put(filename);
88. File file_in = new File(localPath + File.separator + filename);
89. FileInputStream is = new FileInputStream(file_in);
90. byte[] bytes = new byte[1024];
91. int c;
92. while ((c = is.read(bytes)) != -1) {
93. os.write(bytes, 0, c);
94. }
95. is.close();
96. os.close();
97. ftpClient.closeServer();
98. }
99. } catch (Exception ex) {
100. throw new Exception("ftp upload file error:" + ex.getMessage());
101. }
102. }
103.
104. /**
105. * @return
106. */
107. public String getIp() {
108. return ip;
109. }
110.
111. /**
112. * @return
113. */
114. public int getPort() {
115. return port;
116. }
117.
118. /**
119. * @return
120. */
121. public String getPwd() {
122. return pwd;
123. }
124.
125. /**
126. * @return
127. */
128. public String getUser() {
129. return user;
130. }
131.
132. /**
133. * @param string
134. */
135. public void setIp(String string) {
136. ip = string;
137. }
138.
139. /**
140. * @param i
141. */
142. public void setPort(int i) {
143. port = i;
144. }
145.
146. /**
147. * @param string
148. */
149. public void setPwd(String string) {
150. pwd = string;
151. }
152.
153. /**
154. * @param string
155. */
156. public void setUser(String string) {
157. user = string;
158. }
159.
160. /**
161. * @return
162. */
163. public FtpClient getFtpClient() {
164. return ftpClient;
165. }
166.
167. /**
168. * @param client
169. */
170. public void setFtpClient(FtpClient client) {
171. ftpClient = client;
172. }
173.
174. /**
175. * @return
176. */
177. public String getRemotePath() {
178. return remotePath;
179. }
180.
181. /**
182. * @param string
183. */
184. public void setRemotePath(String string) {
185. remotePath = string;
186. }
187.
188. /**
189. * @return
190. */
191. public String getLocalPath() {
192. return localPath;
193. }
194.
195. /**
196. * @param string
197. */
198. public void setLocalPath(String string) {
199. localPath = string;
200. }
201.
202.}
package com.northking.dataManager.util;
import sun.net.ftp.*;
import sun.net.*;
import java.io.*;

/**
* 使用sun.net.ftp工具包进行ftp上传下载
* @author maochangming
* @date 2008-6-20 13:09:29
* @description:
*/
public class FtpTool {
String ip;
int port;
String user;
String pwd;
String remotePath;
String localPath;
FtpClient ftpClient;

/**
* 连接ftp服务器
* @param ip
* @param port
* @param user
* @param pwd
* @return
* @throws Exception
*/
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;
}

/**
* 下载文件
* @param remotePath
* @param localPath
* @param filename
* @throws Exception
*/
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());
}
}

/**
* 上传文件
* @param remotePath
* @param localPath
* @param filename
* @throws Exception
*/
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());
}
}

/**
* @return
*/
public String getIp() {
return ip;
}

/**
* @return
*/
public int getPort() {
return port;
}

/**
* @return
*/
public String getPwd() {
return pwd;
}

/**
* @return
*/
public String getUser() {
return user;
}

/**
* @param string
*/
public void setIp(String string) {
ip = string;
}

/**
* @param i
*/
public void setPort(int i) {
port = i;
}

/**
* @param string
*/
public void setPwd(String string) {
pwd = string;
}

/**
* @param string
*/
public void setUser(String string) {
user = string;
}

/**
* @return
*/
public FtpClient getFtpClient() {
return ftpClient;
}

/**
* @param client
*/
public void setFtpClient(FtpClient client) {
ftpClient = client;
}

/**
* @return
*/
public String getRemotePath() {
return remotePath;
}

/**
* @param string
*/
public void setRemotePath(String string) {
remotePath = string;
}

/**
* @return
*/
public String getLocalPath() {
return localPath;
}

/**
* @param string
*/
public void setLocalPath(String string) {
localPath = string;
}

}


Junit测试类

Java代码
1.package com.northking.dataManager.dataimport.parse.test;
2.
3.import com.northking.dataManager.util.FtpTool;
4.
5.import junit.framework.TestCase;
6.
7./**
8. * @author maochangming
9. * @date 2008-6-20 13:09:11
10. * @description:
11. */
12.public class FtpToolTest extends TestCase {
13. FtpTool ftpTool;
14.
15. /**
16. * Constructor for FtpToolTest.
17. * @param arg0
18. */
19. public FtpToolTest(String arg0) {
20. super(arg0);
21. }
22.
23. public static void main(String[] args) {
24. junit.textui.TestRunner.run(FtpToolTest.class);
25. }
26.
27. public void testDownLoadFile()throws Exception{
28. ftpTool.downloadFile(ftpTool.getRemotePath(),"c:/downloads","JBFImgMng.CAB");
29. }
30.
31. /*
32. * @see TestCase#setUp()
33. */
34. protected void setUp() throws Exception {
35. ftpTool = new FtpTool();
36. ftpTool.setIp("10.164.12.70");
37. ftpTool.setPort(2100);
38. ftpTool.setUser("share");
39. ftpTool.setPwd("share");
40. ftpTool.setRemotePath("/paeams");
41. super.setUp();
42. }
43.
44. /*
45. * @see TestCase#tearDown()
46. */
47. protected void tearDown() throws Exception {
48. super.tearDown();
49. }
50.
51.}