资源简介
基于java的FTP客户端设计与实现,实现服务器的登陆,上传与下载文件等基本功能
代码片段和文件信息
/*
* To change this template choose Tools | Templates
* and open the template in the editor.
*/
package ftp;
import java.net.Socket;
import java.io.*;
import java.util.*;
import javax.swing.JOptionPane;
/**
*
* @author Administrator
*/
public class ftpFunction {
private Socket connectSocket;//控制连接,用于传送和响应命令
private Socket dataSocket;//数据连接,用于数据传输
private BufferedReader inData;//控制连接中用于读取返回信息的数据流
private BufferedWriter outData;//控制连接中用于传送用户命令的数据流
private String response = null;//将返回信息封装成字符串
private String remoteHost;//远程主机名
private int remotePort;//通信端口号
private String remotePath;//远程路径
private String user;//用户名
private String passWord;//用户口令
File rootPath = new File(“/“);//根路径
File currentPath = rootPath;//当前路径
private boolean logined;//判断是否登录服务器的标志
private boolean debug;
public ftpFunction() {
remoteHost = “localhost“;
remotePort = 21;
remotePath = “/“;
user = “user“;
passWord = “123“;
logined = false;
debug = false;
}
//设置服务器域名(IP地址)
public void setRemoteHost(String remoteHost) {
this.remoteHost = remoteHost;
}
//返回服务器域名(IP地址)
public String getRemoteHost() {
return remoteHost;
}
//设置端口
public void setRemotePort(int remotePort) {
this.remotePort = remotePort;
}
//返回端口
public int getRemotePort() {
return remotePort;
}
//The remote directory path
public void setRemotePath(String remotePath) {
this.remotePath = remotePath;
}
/// The current remote directory path.
public String getRemotePath() {
return remotePath;
}
//用户名
public void setUser(String user) {
this.user = user;
}
//密码
public void setPW(String password) {
this.passWord = password;
}
public void setDebug(boolean debug) {
this.debug = debug;
}
public Socket connect() {
try {
if (connectSocket == null) {
connectSocket = new Socket(remoteHost remotePort);
inData = new BufferedReader(new InputStreamReader(connectSocket.getInputStream()));//输入信息(字符输入流)
outData = new BufferedWriter(new OutputStreamWriter(connectSocket.getOutputStream()));//输出信息(字符输出流)
}
response = readLine();
JOptionPane.showConfirmDialog(null
“服务器已经成功连接“
“连接信息“ JOptionPane.CLOSED_OPTION
JOptionPane.INFORMATION_MESSAGE);
} catch (Exception e) {
JOptionPane.showConfirmDialog(null
“ 连接失败“
“ 连接信息“ JOptionPane.CLOSED_OPTION
JOptionPane.INFORMATION_MESSAGE);
}
return connectSocket;
}
public void login() {
try {
if (connectSocket == null) {
JOptionPane.showConfirmDialog(null
“ 服务器尚未连接
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2015-04-14 22:25 ftp\
文件 3 2009-05-26 22:32 ftp\3.txt
文件 3 2009-05-26 22:30 ftp\4.txt
目录 0 2009-05-27 08:11 ftp\build\
文件 3346 2009-05-26 12:13 ftp\build.xm
目录 0 2015-03-22 15:56 ftp\build\classes\
目录 0 2009-05-27 08:11 ftp\build\classes\classes\
文件 9990 2009-05-26 23:09 ftp\build\classes\classes\ftpFunction.class
文件 363 2009-05-26 18:49 ftp\build\classes\classes\Main.class
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 717 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 718 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 523 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 715 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 14231 2009-05-26 23:09 ftp\build\classes\classes\mainfr
文件 45720 2015-04-01 20:39 ftp\FILE TRANSFER PROTOCOL.pdf
文件 891408 2015-04-01 20:52 ftp\File Transfer Protocols.pdf
文件 428215 2015-04-14 22:25 ftp\FTP客户端设计与实现.doc
目录 0 2015-03-28 13:48 ftp\ll\
文件 85 2009-05-26 12:13 ftp\manifest.mf
目录 0 2009-05-27 08:11 ftp\nbproject\
文件 33192 2009-05-26 12:13 ftp\nbproject\build-impl.xm
文件 455 2009-05-26 12:13 ftp\nbproject\genfiles.properties
目录 0 2009-05-27 08:11 ftp\nbproject\private\
............此处省略12个文件信息
评论
共有 条评论