clientcontrol1.java

自己写的一套云台控制程序

import java.applet.Applet;
import java.awt.Button;
import java.io.IOException;
import java.io.PrintStream;
import java.net.Socket;
import java.net.UnknownHostException;
/*
 * Created on 2006-3-16
 * applet程序, 与javascript进行通信,来控制云台的转动;
 * 与服务器端的server程序通信,发送云台的控制码;
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class clientcontrol1 extends Applet {

	private Button button = null;
	private Button button1 = null;
	private Button button2 = null;
	private Button button3 = null;
	private Button button4 = null;
	private static Socket socket;
	private static PrintStream out;
	private static String string;

	/**
	 * This is the default constructor
	 */
	public clientcontrol1() {
		super();
		init();
		try {
			socket = new Socket("10.1.37.220",8765);
			System.out.print("socket8765 ok!\n");
			out = new PrintStream(socket.getOutputStream());

		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

	}
	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	public  void init() {
		this.setLayout(null);
		this.setPreferredSize(new java.awt.Dimension(460,70));
		this.setMinimumSize(new java.awt.Dimension(460,70));
		this.setSize(437, 31);
		this.add(getButton(), null);
		this.add(getButton1(), null);
		this.add(getButton2(), null);
		this.add(getButton3(), null);
		this.add(getButton4(), null);

	}
	/**
	 * This method initializes button	
	 * 	
	 * @return java.awt.Button	
	 */    
	private Button getButton() {
		if (button == null) {
			button = new Button();
			button.setLabel("UP");
			button.setLocation(8, 1);
			button.setSize(70, 30);
			button.setName("up");
			button.setForeground(java.awt.Color.blue);
			button.setBackground(new java.awt.Color(255,204,204));
			button.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    

					out.flush();
					string="u";
					System.out.print("string:"+string);
					out.println(string);
					System.out.print("write ok!\n");
					
				}
			});
		}
		return button;
	}
	/**
	 * This method initializes button1	
	 * 	
	 * @return java.awt.Button	
	 */    
	private Button getButton1() {
		if (button1 == null) {
			button1 = new Button();
			button1.setLabel("DOWN");
			button1.setLocation(98, 1);
			button1.setSize(70, 30);
			button1.setName("down");
			button1.setBackground(new java.awt.Color(255,204,204));
			button1.setForeground(java.awt.Color.blue);
			button1.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					out.flush();
					string="d";
					System.out.print("string:"+string);
					out.println(string);
					System.out.print("write ok!\n");

				}
			});
		}
		return button1;
	}
	/**
	 * This method initializes button2	
	 * 	
	 * @return java.awt.Button	
	 */    
	private Button getButton2() {
		if (button2 == null) {
			button2 = new Button();
			button2.setLabel("LEFT");
			button2.setLocation(185, 0);
			button2.setSize(70, 30);
			button2.setName("left");
			button2.setBackground(new java.awt.Color(255,204,204));
			button2.setForeground(java.awt.Color.blue);
			button2.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    

					out.flush();
					string="l";
					System.out.print("string:"+string);
					out.println(string);;
					System.out.print("write ok!\n");

				}
			});
		}
		return button2;
	}
	/**
	 * This method initializes button3	
	 * 	
	 * @return java.awt.Button	
	 */    
	private Button getButton3() {
		if (button3 == null) {
			button3 = new Button();
			button3.setLabel("RIGHT");
			button3.setLocation(274, 1);
			button3.setSize(70, 30);
			button3.setName("right");
			button3.setBackground(new java.awt.Color(255,204,204));
			button3.setForeground(java.awt.Color.blue);
			button3.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					out.flush();
					string="r";
					System.out.print("string:"+string);
					out.println(string);
					System.out.print("write ok!\n");

				}
			});
		}
		return button3;
	}
	/**
	 * This method initializes button4	
	 * 	
	 * @return java.awt.Button	
	 */    
	private Button getButton4() {
		if (button4 == null) {
			button4 = new Button();
			button4.setLabel("STOP");
			button4.setLocation(364, 0);
			button4.setSize(70, 30);
			button4.setName("stop");
			button4.setBackground(new java.awt.Color(255,204,204));
			button4.setForeground(java.awt.Color.blue);
			button4.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    

					out.flush();
					string="s";
					System.out.print("string:"+string);
					out.println(string);
					System.out.print("write ok!\n");
					
		}
			});
			}
		
		return button4;
	}
     }  //  @jve:decl-index=0:visual-constraint="14,30"