如何在一个JFrame上面设置背景图片

林尹 2013-10-23 11:24:07

public class Dome extends javax.swing.JFrame {



	JLabel topLabel;

	JLabel huiyixinxi,yudingxinxi,yanshi,tiqianjiesu;

	JButton exitButton,loginButton;







	/** Creates new form Dome */

	public Dome() {

		initComponents();

	}



	/** This method is called from within the constructor to

	 * initialize the form.

	 * WARNING: Do NOT modify this code. The content of this method is

	 * always regenerated by the Form Editor.

	 */

	//GEN-BEGIN:initComponents

	// <editor-fold defaultstate="collapsed" desc="Generated Code">

	private void initComponents() {

		this.setBounds(0, 0, 1024, 768);

		this.setResizable(false);//

		topLabel=new JLabel();

		topLabel.setIcon(new ImageIcon("images/mitbg.bmp")  );

		add(topLabel);

		topLabel.setLayout(null);



		yudingxinxi = new JLabel("预定信息");

		yudingxinxi.setForeground(Color.WHITE);

		huiyixinxi = new JLabel("会议信息");

		yanshi = new JLabel("会议延时");

		tiqianjiesu = new JLabel("提前结束");

		exitButton = new JButton("退 出");

		loginButton = new JButton("登 录");



		ButtonListener bListener = new ButtonListener();

		// 按钮注册事件监听器

		exitButton.addActionListener(bListener);

		loginButton.addActionListener(bListener);



		MyKeyListener keylis=new MyKeyListener();



		yudingxinxi.setSize(45,20);

		yudingxinxi.setLocation(40,280);

		yudingxinxi.setIcon(new ImageIcon("images/huiyi.bmp"));

		topLabel.add(yudingxinxi);



		yanshi.setSize(50,20);

		yanshi.setLocation(85,280);

		topLabel.add(yanshi);



		huiyixinxi.setSize(40,20);

		huiyixinxi.setLocation(140,280);

		topLabel.add(huiyixinxi);



		tiqianjiesu.setSize(50,20);

		tiqianjiesu.setLocation(195,280);

		topLabel.add(tiqianjiesu);



		exitButton.setSize(80,20);

		exitButton.setLocation(260,280);

		topLabel.add(exitButton);



		loginButton.setSize(80,20);

		loginButton.setLocation(350,280);

		topLabel.add(loginButton); 



		setResizable(false);

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		setLocationRelativeTo(null);

		//setSize(500,350);

		setVisible(true);



	}// </editor-fold>

	//GEN-END:initComponents



	/**

	 * @param args the command line arguments

	 */

	public static void main(String args[]) {

		java.awt.EventQueue.invokeLater(new Runnable() {

			public void run() {

				new Dome().setVisible(true);

			}

		});

	}

	private void checkNamePwd(){

		

		

		}



		private void exitWindow(){

		System.exit(0);

		}



		class ButtonListener implements ActionListener

		{

		public void actionPerformed(ActionEvent e)

		{

		// 获取事件源

		Object source = e.getSource();

		if(source == exitButton)

		{

		exitWindow();

		}

		else if(source == loginButton)

		{

		checkNamePwd();

		}

		} 

		}



		class MyKeyListener extends KeyAdapter{

		public void keyPressed(KeyEvent ke){

		int code=ke.getKeyCode();

		if(code==10){

		checkNamePwd();

		}

		else if(code==27){

		exitWindow();

		}

		}





	//GEN-BEGIN:variables

	// Variables declaration - do not modify

	// End of variables declaration//GEN-END:variables

		}

}

我这段代码就是不会把图片显示出来求指点

...全文

594 7 打赏收藏转发到动态举报

写回复

用AI写文章

7 条回复

切换为时间正序

请发表友善的回复…

发表回复

teemai 2013-10-23

打赏
举报


import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;


public class Dome extends javax.swing.JFrame {

	JLabel topLabel;
	JLabel huiyixinxi, yudingxinxi, yanshi, tiqianjiesu;
	JButton exitButton, loginButton;

	public void paint(Graphics g) {
		super.paint(g);
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		setBounds(0, 0, (int) screenSize.getWidth(),
				(int) screenSize.getHeight());
		g.drawImage(new ImageIcon(
				"C:/Users/eacfgjl/Desktop/clock.png").getImage(), 0, 0, getWidth(), getHeight(), this);// 这里换成你图片的路径
	}
	
	/** Creates new form Dome */
	public Dome() {
		initComponents();
	}

	/**
	 * This method is called from within the constructor to initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is always
	 * regenerated by the Form Editor.
	 */
	// GEN-BEGIN:initComponents
	// <editor-fold defaultstate="collapsed" desc="Generated Code">
	private void initComponents() {
		this.setBounds(0, 0, 1024, 768);
		this.setResizable(false);//
		topLabel = new JLabel();
		topLabel.setIcon(new ImageIcon("images/mitbg.bmp"));
		add(topLabel);
		topLabel.setLayout(null);

		yudingxinxi = new JLabel("预定信息");
		yudingxinxi.setForeground(Color.WHITE);
		huiyixinxi = new JLabel("会议信息");
		yanshi = new JLabel("会议延时");
		tiqianjiesu = new JLabel("提前结束");
		exitButton = new JButton("退 出");
		loginButton = new JButton("登 录");

		ButtonListener bListener = new ButtonListener();
		// 按钮注册事件监听器
		exitButton.addActionListener(bListener);
		loginButton.addActionListener(bListener);

		MyKeyListener keylis = new MyKeyListener();

		yudingxinxi.setSize(45, 20);
		yudingxinxi.setLocation(40, 280);
		yudingxinxi.setIcon(new ImageIcon("images/huiyi.bmp"));
		topLabel.add(yudingxinxi);

		yanshi.setSize(50, 20);
		yanshi.setLocation(85, 280);
		topLabel.add(yanshi);

		huiyixinxi.setSize(40, 20);
		huiyixinxi.setLocation(140, 280);
		topLabel.add(huiyixinxi);

		tiqianjiesu.setSize(50, 20);
		tiqianjiesu.setLocation(195, 280);
		topLabel.add(tiqianjiesu);

		exitButton.setSize(80, 20);
		exitButton.setLocation(260, 280);
		topLabel.add(exitButton);

		loginButton.setSize(80, 20);
		loginButton.setLocation(350, 280);
		topLabel.add(loginButton);

		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setLocationRelativeTo(null);
		// setSize(500,350);
		setVisible(true);

	}// </editor-fold>
		// GEN-END:initComponents

	/**
	 * @param args
	 *            the command line arguments
	 */
	public static void main(String args[]) {
		java.awt.EventQueue.invokeLater(new Runnable() {
			public void run() {
				new Dome().setVisible(true);
			}
		});
	}

	private void checkNamePwd() {

	}

	private void exitWindow() {
		System.exit(0);
	}

	class ButtonListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			// 获取事件源
			Object source = e.getSource();
			if (source == exitButton) {
				exitWindow();
			} else if (source == loginButton) {
				checkNamePwd();
			}
		}
	}

	class MyKeyListener extends KeyAdapter {
		public void keyPressed(KeyEvent ke) {
			int code = ke.getKeyCode();
			if (code == 10) {
				checkNamePwd();
			} else if (code == 27) {
				exitWindow();
			}
		}

		// GEN-BEGIN:variables
		// Variables declaration - do not modify
		// End of variables declaration//GEN-END:variables
	}
}

寻找IT之路 2013-10-23

打赏
举报

引用

设置背景图的话是重写paint方法。。。不是添加图片。。

失落夏天 2013-10-23

打赏
举报

设置背景图的话是重写paint方法。。。不是添加图片。。

飞舞的锄头 2013-10-23

打赏
举报

加载顺序的问题，你把” topLabel.add(yudingxinxi);“放到最后加载试试

teemai 2013-10-23

打赏
举报

引用 5 楼 xu123555033 的回复:

[quote=引用 4 楼 huxiweng 的回复:]


import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;


public class Dome extends javax.swing.JFrame {

	JLabel topLabel;
	JLabel huiyixinxi, yudingxinxi, yanshi, tiqianjiesu;
	JButton exitButton, loginButton;

	public void paint(Graphics g) {
		super.paint(g);
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		setBounds(0, 0, (int) screenSize.getWidth(),
				(int) screenSize.getHeight());
		g.drawImage(new ImageIcon(
				"C:/Users/eacfgjl/Desktop/clock.png").getImage(), 0, 0, getWidth(), getHeight(), this);// 这里换成你图片的路径
	}
	
	/** Creates new form Dome */
	public Dome() {
		initComponents();
	}

	/**
	 * This method is called from within the constructor to initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is always
	 * regenerated by the Form Editor.
	 */
	// GEN-BEGIN:initComponents
	// <editor-fold defaultstate="collapsed" desc="Generated Code">
	private void initComponents() {
		this.setBounds(0, 0, 1024, 768);
		this.setResizable(false);//
		topLabel = new JLabel();
		topLabel.setIcon(new ImageIcon("images/mitbg.bmp"));
		add(topLabel);
		topLabel.setLayout(null);

		yudingxinxi = new JLabel("预定信息");
		yudingxinxi.setForeground(Color.WHITE);
		huiyixinxi = new JLabel("会议信息");
		yanshi = new JLabel("会议延时");
		tiqianjiesu = new JLabel("提前结束");
		exitButton = new JButton("退 出");
		loginButton = new JButton("登 录");

		ButtonListener bListener = new ButtonListener();
		// 按钮注册事件监听器
		exitButton.addActionListener(bListener);
		loginButton.addActionListener(bListener);

		MyKeyListener keylis = new MyKeyListener();

		yudingxinxi.setSize(45, 20);
		yudingxinxi.setLocation(40, 280);
		yudingxinxi.setIcon(new ImageIcon("images/huiyi.bmp"));
		topLabel.add(yudingxinxi);

		yanshi.setSize(50, 20);
		yanshi.setLocation(85, 280);
		topLabel.add(yanshi);

		huiyixinxi.setSize(40, 20);
		huiyixinxi.setLocation(140, 280);
		topLabel.add(huiyixinxi);

		tiqianjiesu.setSize(50, 20);
		tiqianjiesu.setLocation(195, 280);
		topLabel.add(tiqianjiesu);

		exitButton.setSize(80, 20);
		exitButton.setLocation(260, 280);
		topLabel.add(exitButton);

		loginButton.setSize(80, 20);
		loginButton.setLocation(350, 280);
		topLabel.add(loginButton);

		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setLocationRelativeTo(null);
		// setSize(500,350);
		setVisible(true);

	}// </editor-fold>
		// GEN-END:initComponents

	/**
	 * @param args
	 *            the command line arguments
	 */
	public static void main(String args[]) {
		java.awt.EventQueue.invokeLater(new Runnable() {
			public void run() {
				new Dome().setVisible(true);
			}
		});
	}

	private void checkNamePwd() {

	}

	private void exitWindow() {
		System.exit(0);
	}

	class ButtonListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			// 获取事件源
			Object source = e.getSource();
			if (source == exitButton) {
				exitWindow();
			} else if (source == loginButton) {
				checkNamePwd();
			}
		}
	}

	class MyKeyListener extends KeyAdapter {
		public void keyPressed(KeyEvent ke) {
			int code = ke.getKeyCode();
			if (code == 10) {
				checkNamePwd();
			} else if (code == 27) {
				exitWindow();
			}
		}

		// GEN-BEGIN:variables
		// Variables declaration - do not modify
		// End of variables declaration//GEN-END:variables
	}
}

我想把这几个label 加上图片怎么办每次加上去就会酒后把后面的覆盖掉 [/quote]


Image image = Toolkit.getDefaultToolkit().getImage("c:\\abc.jpg");
 
          Icon icon = new ImageIcon(image);
          jlabel.setIcon(icon);

teemai 2013-10-23

打赏
举报


Image image = Toolkit.getDefaultToolkit().getImage("c:\\abc.jpg");
 
          Icon icon = new ImageIcon(image);
          jlabel.setIcon(icon);

林尹 2013-10-23

打赏
举报

引用 4 楼 huxiweng 的回复:



import java.awt.Color;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;



import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;





public class Dome extends javax.swing.JFrame {



	JLabel topLabel;

	JLabel huiyixinxi, yudingxinxi, yanshi, tiqianjiesu;

	JButton exitButton, loginButton;



	public void paint(Graphics g) {

		super.paint(g);

		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

		setBounds(0, 0, (int) screenSize.getWidth(),

				(int) screenSize.getHeight());

		g.drawImage(new ImageIcon(

				"C:/Users/eacfgjl/Desktop/clock.png").getImage(), 0, 0, getWidth(), getHeight(), this);// 这里换成你图片的路径

	}

	

	/** Creates new form Dome */

	public Dome() {

		initComponents();

	}



	/**

	 * This method is called from within the constructor to initialize the form.

	 * WARNING: Do NOT modify this code. The content of this method is always

	 * regenerated by the Form Editor.

	 */

	// GEN-BEGIN:initComponents

	// <editor-fold defaultstate="collapsed" desc="Generated Code">

	private void initComponents() {

		this.setBounds(0, 0, 1024, 768);

		this.setResizable(false);//

		topLabel = new JLabel();

		topLabel.setIcon(new ImageIcon("images/mitbg.bmp"));

		add(topLabel);

		topLabel.setLayout(null);



		yudingxinxi = new JLabel("预定信息");

		yudingxinxi.setForeground(Color.WHITE);

		huiyixinxi = new JLabel("会议信息");

		yanshi = new JLabel("会议延时");

		tiqianjiesu = new JLabel("提前结束");

		exitButton = new JButton("退 出");

		loginButton = new JButton("登 录");



		ButtonListener bListener = new ButtonListener();

		// 按钮注册事件监听器

		exitButton.addActionListener(bListener);

		loginButton.addActionListener(bListener);



		MyKeyListener keylis = new MyKeyListener();



		yudingxinxi.setSize(45, 20);

		yudingxinxi.setLocation(40, 280);

		yudingxinxi.setIcon(new ImageIcon("images/huiyi.bmp"));

		topLabel.add(yudingxinxi);



		yanshi.setSize(50, 20);

		yanshi.setLocation(85, 280);

		topLabel.add(yanshi);



		huiyixinxi.setSize(40, 20);

		huiyixinxi.setLocation(140, 280);

		topLabel.add(huiyixinxi);



		tiqianjiesu.setSize(50, 20);

		tiqianjiesu.setLocation(195, 280);

		topLabel.add(tiqianjiesu);



		exitButton.setSize(80, 20);

		exitButton.setLocation(260, 280);

		topLabel.add(exitButton);



		loginButton.setSize(80, 20);

		loginButton.setLocation(350, 280);

		topLabel.add(loginButton);



		setResizable(false);

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		setLocationRelativeTo(null);

		// setSize(500,350);

		setVisible(true);



	}// </editor-fold>

		// GEN-END:initComponents



	/**

	 * @param args

	 *            the command line arguments

	 */

	public static void main(String args[]) {

		java.awt.EventQueue.invokeLater(new Runnable() {

			public void run() {

				new Dome().setVisible(true);

			}

		});

	}



	private void checkNamePwd() {



	}



	private void exitWindow() {

		System.exit(0);

	}



	class ButtonListener implements ActionListener {

		public void actionPerformed(ActionEvent e) {

			// 获取事件源

			Object source = e.getSource();

			if (source == exitButton) {

				exitWindow();

			} else if (source == loginButton) {

				checkNamePwd();

			}

		}

	}



	class MyKeyListener extends KeyAdapter {

		public void keyPressed(KeyEvent ke) {

			int code = ke.getKeyCode();

			if (code == 10) {

				checkNamePwd();

			} else if (code == 27) {

				exitWindow();

			}

		}



		// GEN-BEGIN:variables

		// Variables declaration - do not modify

		// End of variables declaration//GEN-END:variables

	}

}