JAVA的图形用户界面代码

package hao;

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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;

}

}

求Java编的登录界面代码：登录后分别进入管理员界面及用户界面，依据是数据库中的用户名和密码

分三个包，自己建个包，导进去就ok了，数据库是access的。

package 登录;

import java.awt.EventQueue;

public class Cilent {

private JFrame frame;

private JTextField textField;

private JPasswordField passwordField;

/**

* Launch the application.

*/

public static void main(String[] args) {

EventQueue.invokeLater(new Runnable() {

public void run() {

try {

Cilent window = new Cilent();

window.frame.setVisible(true);

} catch (Exception e) {

e.printStackTrace();

}

}

});

}

/**

* Create the application.

*/

public Cilent() {

initialize();

}

/**

* Initialize the contents of the frame.

*/

private void initialize() {

frame = new JFrame();

frame.setTitle("登陆界面");

frame.setBounds(100, 100, 450, 300);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.getContentPane().setLayout(null);

frame.setResizable(false);

JLabel lblNewLabel = new JLabel("用户名");

lblNewLabel.setBounds(38, 43, 80, 34);

frame.getContentPane().add(lblNewLabel);

textField = new JTextField();

textField.setBounds(155, 42, 227, 37);

frame.getContentPane().add(textField);

textField.setColumns(10);

JLabel label = new JLabel("密　码");

label.setBounds(38, 115, 80, 34);

frame.getContentPane().add(label);

passwordField = new JPasswordField();

passwordField.setBounds(155, 115, 227, 37);

frame.getContentPane().add(passwordField);

JButton btnNewButton = new JButton("登　录");

btnNewButton.setBounds(60, 187, 115, 34);

frame.getContentPane().add(btnNewButton);

btnNewButton.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

UserCheck UC=new UserCheck(textField.getText(),String.valueOf(passwordField.getPassword()));

if(UC.getI()!=0) //有此用户

{

frame.setVisible(false);

}

else

{

textField.setText("");

passwordField.setText("");

}

}

});

JButton button = new JButton("取　消");

button.setBounds(242, 187, 115, 34);

frame.getContentPane().add(button);

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

textField.setText("");

passwordField.setText("");

}

});

}

}

/*****************************************************************/

package 登录;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import 操作处理.UsersCL;

/**@author 20111024

* 检测登录的用户在数据库中有无，若没有，则提示没有此用户，

* 若有，则判断级别：普通用户还是管理员。

*/

public class UserCheck {

private int i=0; //用户级别:0不是用户、1是管理员、2是普通用户

UserCheck(String name ,String password)

{

String jdriver="sun.jdbc.odbc.JdbcOdbcDriver";

String connectDB="jdbc:odbc:Students";

Statement stmt=null;

ResultSet rs=null;

Connection con=null;

try {

Class.forName(jdriver);

con=DriverManager.getConnection(connectDB);

stmt=con.createStatement();

String query="select * from users where name='"+name+"' and passwd='"+password+"'";

rs=stmt.executeQuery(query);

if(rs.next())

{

//数据库中有此用户，访问成功

i=Integer.parseInt(rs.getString(3));

UsersCL UL=new UsersCL(i);

}

else

{

i=0; //没有用户是默认是0级

}

} catch (ClassNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public int getI() {

return i;

}

}

/********************************************************************************************/

package 操作处理;

import java.awt.EventQueue;

public class UsersCL implements ActionListener{

private JFrame frame;

private JTextField textField;

private JTextField textField_1;

private JTextField textField_2;

private JTextField textField_3;

private int i=0;

private JLabel label_3;

private JTextField textField_4;

public UsersCL(int i) {

this.i=i;

frame = new JFrame();

frame.setTitle("用户处理界面");

frame.setBounds(100, 100, 450, 300);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.getContentPane().setLayout(null);

frame.setResizable(false);

frame.setVisible(true);

JLabel lblNewLabel = new JLabel("学　号");

lblNewLabel.setBounds(24, 32, 74, 29);

frame.getContentPane().add(lblNewLabel);

JLabel label = new JLabel("姓　名");

label.setBounds(24, 71, 74, 29);

frame.getContentPane().add(label);

JLabel label_1 = new JLabel("年　龄");

label_1.setBounds(24, 110, 74, 29);

frame.getContentPane().add(label_1);

label_3 = new JLabel("性　别");

label_3.setBounds(24, 149, 74, 29);

frame.getContentPane().add(label_3);

JLabel label_2 = new JLabel("状　态");

label_2.setBounds(24, 195, 74, 29);

frame.getContentPane().add(label_2);

textField = new JTextField();

textField.setBounds(101, 34, 113, 25);

frame.getContentPane().add(textField);

textField.setColumns(10);

textField_1 = new JTextField();

textField_1.setColumns(10);

textField_1.setBounds(101, 73, 113, 25);

frame.getContentPane().add(textField_1);

textField_2 = new JTextField();

textField_2.setColumns(10);

textField_2.setBounds(101, 112, 113, 25);

frame.getContentPane().add(textField_2);

textField_3 = new JTextField();

textField_3.setEditable(false);

textField_3.setColumns(10);

textField_3.setBounds(101, 199, 288, 25);

frame.getContentPane().add(textField_3);

textField_4 = new JTextField();

textField_4.setColumns(10);

textField_4.setBounds(101, 149, 113, 25);

frame.getContentPane().add(textField_4);

if(1==i)

{

JButton btnNewButton = new JButton("追　加");

btnNewButton.setBounds(276, 41, 113, 29);

frame.getContentPane().add(btnNewButton);

btnNewButton.addActionListener(this);

btnNewButton.setActionCommand("追加");

JButton button_1 = new JButton("删　除");

button_1.setBounds(276, 145, 113, 29);

frame.getContentPane().add(button_1);

button_1.addActionListener(this);

button_1.setActionCommand("删除");

}

JButton button = new JButton("查　询");

button.setBounds(276, 91, 113, 29);

frame.getContentPane().add(button);

button.addActionListener(this);

button.setActionCommand("查询");

}

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

String name,age,sex,query=null;

int num,age1,count=0;

num=Integer.parseInt(textField.getText());

name=textField_1.getText();

age1=Integer.parseInt(textField_2.getText());

sex=textField_4.getText();

if(e.getActionCommand().equals("追加"))

{

query="insert into students values("+num+","+"'"+name+"',"+age1+",'"+sex+"');";

count=1;

}

else if(e.getActionCommand().equals("查询"))

{

query="select * from students where XSB="+num+";";

count=2;

}

else if(e.getActionCommand().equals("删除"))

{

query="delete from students where XSB="+num+" and name="+"'"+name+"'";

count=3;

}

Statement stmt=null;

ResultSet rs=null;

Connection con=null;

String jdriver="sun.jdbc.odbc.JdbcOdbcDriver";

String connectDB="jdbc:odbc:Students";

String query1=null;

try {

Class.forName(jdriver);

con=DriverManager.getConnection(connectDB);

stmt=con.createStatement();

if(count==1)

{

query1="select * from students where XSB="+num+";";

rs=stmt.executeQuery(query1);

if(rs.next())

textField_3.setText("已经由此记录，不能追加！");

else

{

stmt.executeUpdate(query);

textField_3.setText("已经追加完成！");

}

}

else if(2==count)

{

stmt.executeQuery(query);

rs=stmt.executeQuery(query);

if(rs.next())

{

textField_3.setText("已查找到此记录！");

}

else

{

textField_3.setText("没有此记录，可以追加！");

}

}

else if(3==count)

{

query1="select * from students where XSB="+num+" and name="+"'"+name+"'";

rs=stmt.executeQuery(query1);

if(rs.next())

{

stmt.executeUpdate(query);

textField_3.setText("已删除此记录！");

}

else

textField_3.setText("无此记录！");

}

} catch (ClassNotFoundException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

} catch (SQLException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

finally{

//关闭资源

if(stmt!=null){

try {

stmt.close();

} catch (Exception e2) {

// TODO: handle exception

}

stmt=null;

}

if(con!=null){

try {

con.close();

} catch (Exception e2) {

// TODO: handle exception

}

con=null;

}

}

}

}

求java编写的登陆界面代码

import javax.swing.JFrame;

import javax.swing.JPanel;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.GridBagLayout;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.JButton;

public class LoginFrame {

private JFrame jFrame = null; // @jve:decl-index=0:visual-constraint="293,25"

private JPanel jContentPane = null;

private JPanel jPanel = null;

private JLabel jLabel = null;

private JLabel jLabel1 = null;

private JTextField jTextField = null;

private JTextField jTextField1 = null;

private JButton jButton = null;

/**

* This method initializes jFrame

*

* @return javax.swing.JFrame

*/

private JFrame getJFrame() {

if (jFrame == null) {

jFrame = new JFrame();

jFrame.setSize(new Dimension(330, 222));

jFrame.setTitle("登陆");

jFrame.setContentPane(getJContentPane());

}

return jFrame;

}

/**

* This method initializes jContentPane

*

* @return javax.swing.JPanel

*/正手

private JPanel getJContentPane() {

if (jContentPane == null) {

jContentPane = new JPanel();

jContentPane.setLayout(null);

jContentPane.add(getJPanel(), null);

}

return jContentPane;

}

/**

* This method initializes jPanel

*

* @return javax.swing.JPanel

*/

private JPanel getJPanel() {

if (jPanel == null) {

jLabel1 = new JLabel();

jLabel1.setBounds(new Rectangle(45, 76, 54, 22));

jLabel1.setText("密 码吵清戚：");

jLabel = new JLabel();

jLabel.setBounds(new Rectangle(47, 39, 53, 25));

jLabel.setText("用户名升陵：");

jPanel = new JPanel();

jPanel.setLayout(null);

jPanel.setBounds(new Rectangle(2, 7, 305, 167));

jPanel.add(jLabel, null);

jPanel.add(jLabel1, null);

jPanel.add(getJTextField(), null);

jPanel.add(getJTextField1(), null);

jPanel.add(getJButton(), null);

}

return jPanel;

}

/**

* This method initializes jTextField

*

* @return javax.swing.JTextField

*/

private JTextField getJTextField() {

if (jTextField == null) {

jTextField = new JTextField();

jTextField.setBounds(new Rectangle(106, 40, 154, 24));

}

return jTextField;

}

/**

* This method initializes jTextField1

*

* @return javax.swing.JTextField

*/

private JTextField getJTextField1() {

if (jTextField1 == null) {

jTextField1 = new JTextField();

jTextField1.setBounds(new Rectangle(105, 76, 154, 23));

}

return jTextField1;

}

/**

* This method initializes jButton

*

* @return javax.swing.JButton

*/

private JButton getJButton() {

if (jButton == null) {

jButton = new JButton();

jButton.setBounds(new Rectangle(187, 103, 66, 25));

jButton.setText("登陆");

}

return jButton;

}

}

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