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java图形界面窗口代码 java图形界面设计代码

怎样用java编写图形界面的Application程序？

java编写图形界面需要用到swing等组件，可以在eclipse中安装windowbuilder来开发窗体，自动生成窗体代码租碰，然后自己再根据需要修改，如：

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package mainFrame;

import java.awt.EventQueue;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JFrame。

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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();/搏搜/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"陆逗, "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", "淡红基悉历", "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;

}

}

JAVA用frame实现图中2个窗口 怎么写啊？

图片看起来很模糊，隐约看到需要一个登录窗口，那就分享一下以前练习的登录窗口demo吧。

先上效果图：

登录界面

源码如下：

AbsoluteLoginFrame.java

public class AbsoluteLoginFrame extends JFrame {

private static final int LOGIN_WIDTH = 600;

private static final int LOGIN_HEIGHT = 400;

private static final long serialVersionUID = -2381351968820980500L;

public AbsoluteLoginFrame(){

  //设置窗口标题

  setTitle("登录界面");

  //设置一个初始面板，填充整个窗口

  JPanel loginPanel = new JPanel();

  //设置背大坦余景颜色

  loginPanel.setBackground(new Color(204, 204, 204));//#CCC

  loginPanel.setLayout(null);

  JPanel centerPanel = new JPanel();

  centerPanel.setBackground(Color.WHITE);

  centerPanel.setBounds(114, 70, 360, 224);

  centerPanel.setLayout(null);

  JLabel jLabel = new JLabel("用户名：");

  jLabel.setOpaque(true);

  jLabel.setBackground(Color.YELLOW);

  jLabel.setBounds(60, 60, 54, 20);

  JLabel label = new JLabel("密    码：");

  label.setOpaque(true);

  label.setBackground(Color.CYAN);

 滚滚 label.setBounds(60, 90, 54, 20);

  JTextField textField = new JTextField(15);

  textField.setBounds(130, 60, 166, 21);

  JPasswordField passwordField = new JPasswordField(15);

  passwordField.setBounds(130, 90, 166, 21);

  JButton jButton = new JButton("登录");

  jButton.setBounds(148, 120, 62, 28);

  centerPanel.add(jLabel);

  centerPanel.add(label);

  centerPanel.add(textField);

  centerPanel.add(jButton);

  centerPanel.add(passwordField);

  loginPanel.add(centerPanel);

  getContentPane().add(loginPanel);//将初始面板添加到窗口中

  setSize(LOGIN_WIDTH, LOGIN_HEIGHT);//设置窗口大小

  setLocation(Screen.getCenterPosition(LOGIN_WIDTH, LOGIN_HEIGHT));//设置窗口位置

  setDefaultCloseOperation(EXIT_ON_CLOSE);//设置窗口默认关闭方式

 信茄 setResizable(false);

  setVisible(true);

}

public static void main(String[] args) {

  new AbsoluteLoginFrame();

}

}

Screen.java

public class Screen {

private int width;

private int height;

public Screen(){

  Toolkit toolkit = Toolkit.getDefaultToolkit();

  Dimension screenSize = toolkit.getScreenSize();

  this.width = screenSize.width;

  this.height = screenSize.height;

}

public static Point getCenterPosition(int width, int height){

  Screen screen = new Screen();

  int x = (screen.getWidth() - width) / 2;

  int y = (screen.getHeight() - height) / 2;

  return new Point(x, y);

}

public int getWidth() {

  return width;

}

public void setWidth(int width) {

  this.width = width;

}

public int getHeight() {

  return height;

}

public void setHeight(int height) {

  this.height = height;

}

}


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