ftpclientframe.java

Java编写的一款FTP程序

package FtpClient;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import sun.net.ftp.*;
import sun.net.*;
import java.io.*;

public class FtpClientFrame extends JFrame {
	JPanel contentPane;
	Label labelPrompt = new Label();                   // 状态提示
	Label labelHost = new Label();
	TextField textFieldHost = new TextField();         // 主机地址
	Label labelUser = new Label();
	TextField textFieldUser = new TextField();         // 用户名
	Label labelPassword = new Label();
	TextField textFieldPassword = new TextField();     // 密码
	Button buttonLink = new Button();                  // 连接按钮
	Button buttonDisconnect = new Button();            // 断开按钮
	Label labelFileShow = new Label();
	TextArea textAreaContent = new TextArea();         // 显示文件和目录的文本域
	Label labelFile = new Label();
	TextField textFieldFile = new TextField();         // 要下载的文件名输入框
	Label labelDir = new Label();
	TextField textFieldDir = new TextField();          // 保存文件的本机目录名
	Button buttonDownload = new Button();              // 下载按钮
	Label labelChgDir = new Label();
	TextField textFieldChgDir = new TextField();       // 改变目录
	Button buttonCDChg = new Button(); 	        	   // 改变目录按钮
	Button buttonCDUP = new Button(); 	           // 返回上级目录按钮

	FtpClient myFtp = null;                            // FtpClient对象
	TelnetInputStream inStream = null;                 // 输入流