java編寫圖形界面

Ⅰ java編寫一個圖形界面程序

importjava.awt.*;
importjava.awt.event.*;
importjava.util.*;
importjavax.swing.*;
importjavax.swing.border.Border;


classMainFrameextendsJFrame{

=1L;

privateMap<String,Integer>sizes=newHashMap<String,Integer>();

privateMap<String,Integer>styles=newHashMap<String,Integer>();

privateMap<String,Integer>toppings=newHashMap<String,Integer>();

publicMainFrame(){

sizes.put("ExtraLarge",10);
sizes.put("Large",8);
sizes.put("Medium",5);
sizes.put("Small",3);

styles.put("DeepDish",20);
styles.put("Regular",10);
styles.put("ThinCrust",5);
styles.put("Chicago",3);

toppings.put("Cheese",8);
toppings.put("Tomato",7);
toppings.put("Peppers",6);
toppings.put("Peperoni",5);

this.setTitle("布局及事件處理");
this.setSize(450,350);
this.setLayout(newBorderLayout());
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JLabellblTitle=newJLabel();
lblTitle.setText("PizzeriaJuno");
lblTitle.setFont(newFont("宋體",Font.BOLD,36));
lblTitle.setHorizontalAlignment(SwingConstants.CENTER);
this.add("North",lblTitle);

JPanelbodyPanel=newJPanel();
bodyPanel.setLayout(newGridLayout(2,1));
this.add("Center",bodyPanel);

JPanellistPanel=newJPanel();
listPanel.setLayout(newGridLayout(1,3));
listPanel.setSize(200,200);
bodyPanel.add(listPanel);

BorderlineBorder=BorderFactory.createLineBorder(Color.BLACK);

JPanelsizePanel=newJPanel();
sizePanel.setLayout(newBorderLayout());
listPanel.add(sizePanel);
JLabelsizeTitle=newJLabel();
sizeTitle.setText("Sizes");
sizePanel.add("North",sizeTitle);


JListsizeList=newJList(sizes.keySet().toArray());
sizeList.setSize(100,100);
sizeList.setBorder(lineBorder);
sizeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
sizePanel.add(sizeList);

JPanelstylePanel=newJPanel();
stylePanel.setLayout(newBorderLayout());
listPanel.add(stylePanel);
JLabelstyleTitle=newJLabel();
styleTitle.setText("Styles");
stylePanel.add("North",styleTitle);
JListstyleList=newJList(styles.keySet().toArray());
styleList.setSize(100,100);
styleList.setBorder(lineBorder);
styleList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
stylePanel.add(styleList);

JPaneltoppingPanel=newJPanel();
toppingPanel.setLayout(newBorderLayout());
listPanel.add(toppingPanel);
JLabeltoppingTitle=newJLabel();
toppingTitle.setText("Toppings");
toppingPanel.add("North",toppingTitle);
JListtoppingList=newJList(toppings.keySet().toArray());
toppingList.setSize(100,100);
toppingList.setBorder(lineBorder);
toppingPanel.add(toppingList);

JTextAreatxtResult=newJTextArea();
txtResult.setEditable(false);
bodyPanel.add(txtResult);

JPanelbottomPanel=newJPanel();
bottomPanel.setLayout(newGridLayout(1,3));
this.add("South",bottomPanel);

JLabellabel1=newJLabel("Clicktocompleteorder");
bottomPanel.add(label1);

JButtonbtnRingUp=newJButton("Ringup");
btnRingUp.addActionListener(newActionListener(){

@Override
publicvoidactionPerformed(ActionEvente){



if(sizeList.getSelectedValue()==null){
JOptionPane.showMessageDialog(MainFrame.this,"Pleaseselectsize.");
return;
}

if(styleList.getSelectedValue()==null){
JOptionPane.showMessageDialog(MainFrame.this,"Pleaseselectstyle.");
return;
}

if(toppingList.getSelectedValue()==null){
JOptionPane.showMessageDialog(MainFrame.this,"Pleaseselecttopping.");
return;
}

floattotal=0;

Stringsize=sizeList.getSelectedValue().toString();
total+=sizes.get(size);

Stringstyle=styleList.getSelectedValue().toString();
total+=styles.get(style);

Stringresult=size+"Pizza,"+style+"Style";

Object[]toppings=toppingList.getSelectedValues();
for(Objecttopping:toppings){
result+=" +"+topping.toString();
total+=MainFrame.this.toppings.get(topping.toString());
}

result+=" Total:"+total;

txtResult.setText(result);
}
});
bottomPanel.add(btnRingUp);

JButtonbtnQuit=newJButton("Quit");
btnQuit.addActionListener(newActionListener(){

@Override
publicvoidactionPerformed(ActionEvente){
MainFrame.this.dispose();
}
});
bottomPanel.add(btnQuit);
}

}

publicclassApp{

publicstaticvoidmain(String[]args){


MainFramemainFrame=newMainFrame();
mainFrame.setVisible(true);

}

}

Ⅱ 編寫一個具有圖形用戶界面的Java程序

import javax.imageio.*;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;
import java.io.*;
/**
* @author Hardneedl
*/
class ImageZoom extends JFrame {
private static final Dimension minSize = new Dimension(300, 200);
private static final Dimension maxSize = new Dimension(1024, 768);
private static final Dimension preferredSize = new Dimension(600, 400);
public Dimension getMaximumSize() {return maxSize;}
public Dimension getMinimumSize() {return minSize;}
public Dimension getPreferredSize() {return preferredSize;}
public String getTitle() {return "Frame Title";}
private class ImageCanvas extends JComponent{
private Image img;
private AffineTransform af=new AffineTransform();
private ImageCanvas(Image g,float s) {setImage(g);setScale(s);}
private void setImage(Image img){
this.img = img;
if (isVisible()) paintImmediately(getBounds());
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
if (img!=null) {
Graphics2D g2d = (Graphics2D)g.create();
g2d.drawImage(img,af,this);
}
}
private void setScale(float scale){
af = AffineTransform.getScaleInstance(scale,scale);
if (isVisible()) paintImmediately(getBounds());
}
};
private static ImageCanvas canvas;
private Image img;private float s;
ImageZoom(Image g,float s) throws HeadlessException {
img =g;this.s=s;
init();
doLay();
attachListeners();
}

private void init() {
canvas = new ImageCanvas(img,s);
}

private void doLay() {
Container container = getContentPane();
container.add(canvas,BorderLayout.CENTER);
pack();
}

private void attachListeners() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

public static void main(final String[] args) {
SwingUtilities.invokeLater(
new Runnable(){
public void run() {
try {
new ImageZoom(ImageIO.read(new FileInputStream(args[0])),Float.parseFloat(args[1])).setVisible(true);
} catch (IOException e) {
e.printStackTrace();
}
}
}
);

}
}

Ⅲ Java編寫一個圖形界面

rcp（SWT/JFace）開發的要不要，同樣是java的

Ⅳ JAVA圖形界面設計

importjava.awt.Color;
importjava.awt.Font;
importjava.awt.Graphics;

importjavax.swing.JFrame;
importjavax.swing.JPanel;

{

publicTestFrame(){

add(newCirclePanel());
setSize(300,230);
setLocationRelativeTo(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
} publicstaticvoidmain(String[]args){
newTestFrame().setVisible(true);
}

//繪制圖形的面板
classCirclePanelextendsJPanel{
intR=50;//直徑
@Override
protectedvoidpaintComponent(Graphicsg){
super.paintComponent(g);

g.setColor(Color.BLUE);//設置顏色為藍色
g.drawOval(80,30,R,R);//圓形外接矩形的左頂點坐標是80,30;
g.setColor(Color.BLACK);
g.drawOval(120,30,R,R);
g.setColor(Color.RED);
g.drawOval(160,30,R,R);
g.setColor(Color.YELLOW);
g.drawOval(100,65,R,R);
g.setColor(Color.GREEN);
g.drawOval(140,65,R,R);

g.setColor(Color.BLUE);//設置顏色為藍色
g.setFont(newFont("宋體",Font.BOLD,22));//設置字體
g.drawString("奧運五環旗",90,160);
}
}
}

Ⅳ JAVA圖形界面程序編寫

我真的是抽風了，手癢了，給你寫了這段代碼，如果樓主、、、
嘻嘻，追點分給我吧

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;

public class _9 extends JFrame implements ActionListener
{
static final String OUTPUT="C://Test.txt";
JPanel pnl;
JLabel lbl;
JTextField txt1,txt2;
JButton btnCopy,btnClear,btnOutput,btnColor;
public _9()
{
super("網路題目");
pnl=new JPanel();
this.setContentPane(pnl);
pnl.setLayout(null);
pnl.setBackground(Color.WHITE);
lbl=new JLabel("網路");
txt1=new JTextField(10);
txt2=new JTextField(10);
btnCopy=new JButton("復制");
btnCopy.addActionListener(this);
btnClear=new JButton("清除");
btnClear.addActionListener(this);
btnOutput=new JButton("寫入");
btnOutput.addActionListener(this);
btnColor=new JButton("變色");
btnColor.addActionListener(this);
lbl.setBounds(100, 10, 80, 20);
txt1.setBounds(10, 40, 100, 20);
txt2.setBounds(120, 40, 100, 20);
btnCopy.setBounds(10, 70, 60, 20);
btnClear.setBounds(75, 70, 60, 20);
btnOutput.setBounds(140, 70, 60, 20);
btnColor.setBounds(205, 70, 60, 20);
pnl.add(lbl);
pnl.add(txt1);
pnl.add(txt2);
pnl.add(btnCopy);
pnl.add(btnClear);
pnl.add(btnOutput);
pnl.add(btnColor);
setSize(300,150);
setVisible(true);
}
public void Copy()
{
txt2.setText(txt1.getText());
}
public void Clear()
{
txt1.setText("");
txt2.setText("");
pnl.setBackground(Color.WHITE);
}
public void Color()
{
pnl.setBackground(Color.BLACK);
}
public void Ouput()
{
try
{
File fl=new File("C:\\Test.txt");
FileWriter fw = new FileWriter(fl);
BufferedWriter bw = new BufferedWriter(fw);
bw.write(txt1.getText());
bw.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==btnCopy)
this.Copy();
if(e.getSource()==btnClear)
this.Clear();
if(e.getSource()==btnColor)
this.Color();
if(e.getSource()==btnOutput)
this.Ouput();
}
public static void main(String[] args)
{
new _9();
}
}

Ⅵ java怎麼實現圖形化界面

java圖形化界面還是有很多內容要學習的，可以參考 如下實例：

publicclassTestextendsJFrame{
MyPanelmp=null;
publicstaticvoidmain(String[]args){
//TODOAuto-generatedmethodstub
Testjf=newTest();
}
publicTest(){
mp=newMyPanel();
this.add(mp);
//設置標題
this.setTitle("繪圖");
//設置窗體大小
this.setSize(400,300);
//設置窗體的位置
this.setLocation(100,100);
//限制窗體的大小
this.setResizable(false);
//關閉窗體時，同時退出java虛擬機
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//顯示窗體
this.setVisible(true);
}
}
//定義一個MyPanel(我自己的面板，用於繪圖和實現繪圖區域)
classMyPanelextendsJPanel
{
//覆蓋JPanel的paint方法
//Graphics是繪圖的重要類，可以把它理解成一隻畫筆
publicvoidpaint(Graphicsg)
{
//1。調用父類函數完成初始化
super.paint(g);
////畫圓
//g.drawOval(100,100,20,20);
////畫直線
//g.drawLine(50,150,150,200);
////畫矩形邊框
//g.drawRect(150,150,30,40);
//
////設置顏色。默認為黑色
//g.setColor(Color.blue);
////填充矩形
//g.fillRect(10,10,20,30);
//畫弧形
g.drawArc(200,10,100,150,120,-80);
//在面板上畫圖片
Imageim=Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("圖片路徑"));
//顯示圖片
g.drawImage(im,10,10,200,180,this);
//畫字
g.setColor(Color.red);
g.setFont(newFont("華文彩雲",Font.BOLD,20));
g.drawString("要寫的字",80,220);
}
}

Ⅶ java圖形界面代碼

importjava.awt.*;
importjava.awt.event.*;
importjava.io.*;
importjavax.swing.*;

{
	JTextAreajta;
	JTextFieldjtf;
	JButtonjb;

	publicReadBook(){
		jta=newJTextArea();
		jtf=newJTextField(30);
		jtf.setText("文件保存路徑如c:\ab.txt");
		jb=newJButton("保存文字");
		JPaneljp=newJPanel();
		jp.add(jtf);
		jp.add(jb);
		add(jta);
		add(jp,BorderLayout.SOUTH);
		setBounds(500,100,500,380);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);

		jb.addActionListener(newActionListener(){

			@Override
			publicvoidactionPerformed(ActionEvente){
				//-------------核心代碼---------
				Stringpath=jtf.getText();
				Filef=newFile(path);
				Stringtxt=jta.getText().replaceAll("
","
");
				try{
					BufferedWriterbw=newBufferedWriter(newFileWriter(f));
					bw.write(txt);//寫入文件中
					bw.close();
					
				}catch(Exceptione1){
					e1.printStackTrace();
				}
				//-------------核心代碼---------
			}
		});

	}

	publicstaticvoidmain(String[]args){
		newReadBook();
	}
}

Ⅷ Java編寫圖形用戶界面程序

運行如圖

importjava.awt.*;
importjava.awt.event.*;
importjavax.swing.*;

{

JTextFieldjtf;
JPasswordFieldjpf;
publicRegDemo(){
//組件的創建,和布局安排
JPaneljpc=newJPanel();//默認流式布局
JPaneljp1=newJPanel(newGridLayout(2,2,5,10));//網格布局
jp1.setBorder(BorderFactory.createTitledBorder("用戶注冊"));
JLabeljl1=newJLabel("用戶名:");
jtf=newJTextField(10);
JLabeljl2=newJLabel("密碼:");
jpf=newJPasswordField(10);
jpf.setEchoChar('*');//用*號來隱藏密碼的顯示
jp1.add(jl1);jp1.add(jtf);
jp1.add(jl2);jp1.add(jpf);
jpc.add(jp1);
add(jpc);

JButtonjb1=newJButton("提交");
jb1.addActionListener(this);
jb1.setActionCommand("yes");
JButtonjb2=newJButton("取消");
jb2.addActionListener(this);
jb2.setActionCommand("no");
JPaneljp2=newJPanel();
jp2.add(jb1);jp2.add(jb2);
add(jp2,BorderLayout.SOUTH);
setTitle("用戶注冊界面");
setSize(280,280);
setLocationRelativeTo(null);//窗口居中
setDefaultCloseOperation(EXIT_ON_CLOSE);//
setVisible(true);
}
publicstaticvoidmain(String[]args){
newRegDemo();
}
@Override
publicvoidactionPerformed(ActionEvente){
if(e.getActionCommand().equals("yes")){
Stringname=jtf.getText().trim();
Stringpwd=newString(jpf.getPassword());
if(name.equals("")||pwd.equals("")){
JOptionPane.showMessageDialog(this,"你還沒有輸入用戶名或者密碼");
}else{
JOptionPane.showMessageDialog(this,"注冊成功!用戶名"+name+",密碼"+pwd);
}
}else{
jtf.setText("");
jpf.setText("");
}
}
}