java实现游戏背景图片的动态移动，我想用java做一个小霸王中冒险岛这样的游戏，背景移动怎么实现？

// 想实现你的方法，用画图是最快的，即在一个组件上直接画上你的背景图

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// 建议你看看swing 画图这方面的书籍

// 其它我就不写

class My extends JComponent {

// 记住这个方法不要直接调用，如果想让界面更新，请用repaint();交由UI线程来完成

@Override

protected void paintComponent(Graphics g) {

super.paintComponent(g);

BufferedImage image = null;

try {

image = ImageIO.read(new FileInputStream(""));

} catch (Exception e) {

}

// 这里是图片从100,200处开始画

g.drawImage(image, -100, -200, null);

}

}

java中在窗体的创建一个面板中加入一个gif动态图

你是说 JPanel 吗？两种方法：

添加 JLabel，给 JLabel 添加 ImageIcon，然后放置 JLabel 到 JPanel 上就行了：

JPanel pnl = new JPanel();

......

JLabel lblImage = new JLabel(new ImageIcon("你的文件名")); //创建一个带图片的 JLabel

lblImage.setBounds(0, 0, pnl.getWidth(), pnl.getHeight()); //设置 图片的横坐标、纵坐标、宽、高

pnl.add(lblImage); //放置这个 JLabel 到你的 JPanel 上面

还有一种方法是重写 JPanel 的 paint() 方法：

class YourPanel extends JPanel {

private Image img = Toolkit.getDefaultToolkit().createImage("你的文件名"); //用 Toolkit 的 createImage 方法来创建一个 Image 对象

@Override public void paint (Graphics g) {

super.paint(g);

g.drawImage(img, 0, 0, getWidth(), getHeight()); //绘制图片，第一个参数是 Image 对象，第二个参数是 横坐标，第三个是 纵坐标，第四个是 宽，第五个是 高

}

}

以上你隐式重写也可以：

JPanel pnl = new JPanel() {

@Override public void paint (Graphics g) {

...... //但是要注意这样如果你把 Image 声明成了局部变量或者参数形式，你需要声明成 final

}

}

JAVA的图形用户界面代码

package hao;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.GridLayout;

import java.io.File;

import javax.swing.BorderFactory;

import javax.swing.Box;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.JTextPane;

import javax.swing.text.BadLocationException;

import javax.swing.text.SimpleAttributeSet;

import javax.swing.text.StyleConstants;

import javax.swing.text.StyledDocument;

public class ChatPanel extends JPanel {

private static final long serialVersionUID = 1L;

JButton send,record,saveRecord,image;

JTextArea inputArea;

JTextPane text;//注意用法****************************************************************************

JComboBox fontName = null, fontSize = null, fontStyle = null, fontColor = null,fontBackColor = null;

public StyledDocument doc = null; JScrollPane scrollPane;JPanel textChat;

JButton music;

public ChatPanel() {

setLayout(new BorderLayout());

text = new JTextPane();

text.setEditable(false);

doc = text.getStyledDocument();//跟踪文本和图片写到该区域的位置*************************************

scrollPane = new JScrollPane(text);

//注意下面对JComboBox的巧用***********************************************************************

String[] str_name = { "宋体", "黑体", "Dialog", "Gulim" };

String[] str_Size = { "12", "14", "18", "22", "30", "40" };

String[] str_Style = { "常规", "斜体", "粗体", "粗斜体" };

String[] str_Color = { "黑色", "红色", "蓝色", "黄色", "绿色" };

String[] str_BackColor = { "无色", "灰色", "淡红", "淡蓝", "淡黄", "淡绿" };

fontName = new JComboBox(str_name);

fontSize = new JComboBox(str_Size);

fontStyle = new JComboBox(str_Style);

fontColor = new JComboBox(str_Color);

fontBackColor = new JComboBox(str_BackColor);

fontName.setBackground(new Color(255,153,255));

fontSize.setBackground(new Color(255,153,255));

fontStyle.setBackground(new Color(255,153,255));

fontColor.setBackground(new Color(255,153,255));

fontBackColor.setBackground(new Color(255,153,255));

Box box = Box.createVerticalBox();//创建一个可以容纳多个Box组件的Box*******************************

Box box_1 = Box.createHorizontalBox();

Box box_2 = Box.createHorizontalBox();

Box box_4 = Box.createHorizontalBox();

box.add(box_1);

box.add(box_2);

box.add(box_4);

JLabel b1= new JLabel("字体~~"), b2 = new JLabel("样式~~"),b3 = new JLabel("字号~~"),b4 = new JLabel("颜色~~"),b5 = new JLabel("背景~~");

b1.setBackground(new Color(255,153,255));

b2.setBackground(new Color(255,153,255));

b3.setBackground(new Color(255,153,255));

b4.setBackground(new Color(255,153,255));

b5.setBackground(new Color(255,153,255));

box_1.add(b1);

box_1.add(fontName);

box_1.add(Box.createHorizontalStrut(8));

box_1.add(b2);

box_1.add(fontStyle);

box_1.add(Box.createHorizontalStrut(8));

box_1.add(b3);

box_1.add(fontSize);

box_2.add(Box.createHorizontalStrut(8));

box_2.add(b4);

box_2.add(fontColor);

box_2.add(Box.createHorizontalStrut(8));

box_4.add(b5);

box_4.add(fontBackColor);

textChat = new JPanel();

textChat.setLayout(new BorderLayout());

textChat.setBackground(new Color(255,153,255));

inputArea = new JTextArea(3, 20);

inputArea.setLineWrap(true); //设置文本区的换行策略。88888*********************************

send = new JButton("发送");

record=new JButton("显示记录");

saveRecord=new JButton("储存记录");

image=new JButton("表情");

send.setBackground(new Color(255,153,255));

record.setBackground(new Color(255,153,255));

saveRecord.setBackground(new Color(255,153,255));

image.setBackground(new Color(255,153,255));

Box box_3 = Box.createHorizontalBox();

box_3.add(send); box_3.add(Box.createHorizontalStrut(8));//设置按钮间距*************************888

box_3.add(record); box_3.add(Box.createHorizontalStrut(8)); //设置按钮间距*************************888

box_3.add(saveRecord); box_3.add(Box.createHorizontalStrut(8));//设置按钮间距*************************888

box_3.add(image);

box.setBorder(BorderFactory.createLineBorder(new Color(102,102,0),5));//设置Box的边框线********************

box_3.setBorder(BorderFactory.createLineBorder(new Color(102,102,0),5));

textChat.add(box,BorderLayout.NORTH);

textChat.add(inputArea,BorderLayout.CENTER);

textChat.add(box_3, BorderLayout.SOUTH);

inputArea.requestFocus(true);

inputArea.setBorder(BorderFactory.createLineBorder(new Color(102,102,0),5));//设置输入窗口边框线*******************

text.setBorder(BorderFactory.createLineBorder(new Color(102,102,0),8));//设置输入窗口边框线*******************

JPanel audioPanel = new JPanel();//最上面的边框************************************************************************

audioPanel.setBackground(new Color(255,153,255));

audioPanel.setLayout(new GridLayout(1,1));

music = new JButton("想听就听");

music.setPreferredSize(new Dimension(320,50));

music.setBorder(BorderFactory.createLineBorder(Color.BLACK,10));//设置输入窗口边框线*******************

audioPanel.add(music);

add(audioPanel, BorderLayout.NORTH);

add(scrollPane,BorderLayout.CENTER);

add(textChat, BorderLayout.SOUTH);

}

void insertIcon(ImageIcon image) {

text.setCaretPosition(doc.getLength());

text.insertIcon(image);

insert(new MessageStyle());//?????????????????????????????????????????????????????????????????????????????/

}

public void insert(MessageStyle attrib) {

try {

doc.insertString(doc.getLength(), attrib.getText() + "\n", attrib.getAttrSet());//写完后接着换行************

} catch (BadLocationException e) {

e.printStackTrace();

}

}

public MessageStyle getMessageStyle(String line) {

MessageStyle att = new MessageStyle();

att.setText(line);

att.setName((String) fontName.getSelectedItem());

att.setSize(Integer.parseInt((String) fontSize.getSelectedItem()));

String temp_style = (String) fontStyle.getSelectedItem();

if (temp_style.equals("常规")) {

att.setStyle(MessageStyle.GENERAL);

}

else if (temp_style.equals("粗体")) {

att.setStyle(MessageStyle.BOLD);

}

else if (temp_style.equals("斜体")) {

att.setStyle(MessageStyle.ITALIC);

}

else if (temp_style.equals("粗斜体")) {

att.setStyle(MessageStyle.BOLD_ITALIC);

}

String temp_color = (String) fontColor.getSelectedItem();

if (temp_color.equals("黑色")) {

att.setColor(new Color(0, 0, 0));

}

else if (temp_color.equals("红色")) {

att.setColor(new Color(255, 0, 0));

}

else if (temp_color.equals("蓝色")) {

att.setColor(new Color(0, 0, 255));

}

else if (temp_color.equals("黄色")) {

att.setColor(new Color(255, 255, 0));

}

else if (temp_color.equals("绿色")) {

att.setColor(new Color(0, 255, 0));

}

String temp_backColor = (String) fontBackColor.getSelectedItem();

if (!temp_backColor.equals("无色")) {

if (temp_backColor.equals("灰色")) {

att.setBackColor(new Color(200, 200, 200));

}

else if (temp_backColor.equals("淡红")) {

att.setBackColor(new Color(255, 200, 200));

}

else if (temp_backColor.equals("淡蓝")) {

att.setBackColor(new Color(200, 200, 255));

}

else if (temp_backColor.equals("淡黄")) {

att.setBackColor(new Color(255, 255, 200));

}

else if (temp_backColor.equals("淡绿")) {

att.setBackColor(new Color(200, 255, 200));

}

}

return att;

}

}

求一个简单的java代码：（图形界面）

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPasswordField;

import javax.swing.JTextField;

public class vv extends JDialog {

private static final long serialVersionUID = 1L;

private JLabel l_Id = new JLabel("登陆账户", JLabel.CENTER);

private JLabel l_pw = new JLabel("登陆密码", JLabel.CENTER);

private JTextField t_Id = new JTextField(10);

private JPasswordField t_pw = new JPasswordField(10);

private JButton btnLogin;

private JButton btnClose;

public vv() {

super();

setResizable(false);

getContentPane().setBackground(new Color(225, 225, 225));

getContentPane().setLayout(null);

initialize();

}

protected void initialize() {

setTitle("系统登录");

l_Id.setBounds(48, 43, 53, 25);

t_Id.setBounds(110, 43, 150, 25);

l_pw.setBounds(48, 93, 53, 25);

t_pw.setBounds(110, 93, 150, 25);

getContentPane().add(l_Id);

getContentPane().add(l_pw);

getContentPane().add(t_Id);

getContentPane().add(t_pw);

btnLogin = new JButton();

btnLogin.setText("登 录");

btnLogin.setBounds(70, 142, 85, 28);

btnLogin.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

addBtnLoginActionListener();

}

});

getContentPane().add(btnLogin);

btnClose = new JButton();

btnClose.setText("关 闭");

btnClose.setBounds(175, 142, 85, 28);

btnClose.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

dispose();

System.exit(-1);

}

});

getContentPane().add(btnClose);

}

private void addBtnLoginActionListener() {

String user = t_Id.getText();

String password = new String(t_pw.getPassword());

if (user.equals("")) {

JOptionPane.showMessageDialog(this, "帐号不可为空", "Caution",

JOptionPane.WARNING_MESSAGE);

return;

}

if (password.equals("")) {

JOptionPane.showMessageDialog(this, "密码不可为空", "Caution",

JOptionPane.WARNING_MESSAGE);

return;

}

String sql = "select * FROM login WHERE id = '" + user + "' and pw = '"

+ password + "'";

boolean success = false;

// TODO:数据校验 success = executeQuery(sql);

if (success) {

// TODO： 如果数据校验成功 显示主界面 并关闭登录界面

JOptionPane.showMessageDialog(this, "成功登录", "提示",

JOptionPane.INFORMATION_MESSAGE);

this.dispose();

} else {

JOptionPane.showMessageDialog(this, "帐号或密码错误!", "警告",

JOptionPane.WARNING_MESSAGE);

t_pw.requestFocus(); // 密码框选中

}

}

public Dimension getPreferredSize() {

return new Dimension(320, 170);

}

public void show() {

Toolkit tk = Toolkit.getDefaultToolkit();

Dimension screen = tk.getScreenSize();

Dimension d = getSize();

this.setLocation((screen.width - d.width) / 2,

(screen.height - d.height) / 2);

// 输入密码后回车相当于点击了登录按钮

getRootPane().setDefaultButton(btnLogin);

t_pw.requestFocus();

setDefaultCloseOperation(DISPOSE_ON_CLOSE);

setSize(300, 220);

super.show();

}

public static void main(String[] args) {

vv loginFrame = new vv();

loginFrame.setVisible(true);

}

}

希望对你有帮助

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