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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;
}
}
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;
}
}
}
}
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;
}
}