------------------------- android培训、java培训、期待与您交流！ -------------------------
客户端聊天软件
功能介绍：
该产品的开发环境为：MyEclipse，既有客户端也有服务器且与数据库相关联(MySQL)，需要验证用户名及密码才能登录聊天且不能重复登录，用户可以注册以及更改自己的密码 ，还有一个管理员，其权限为所有权限，这里可以删除用户，客户端界面可以由用户自己更换背景颜色和字体颜色，还可选择公聊或是私聊及聊天对象。
应用技术：
务器Socket、客户端Socket、GUI、线程、监听器及抽象适配器、JFrame的多种组件、关联数据库并实现注册和修改密码以及删除、各种验证、if判断及多种循环、添加图片、更换图标。
---图片样式---
---代码详解---
服务器端代码：
Serverthread类
package util;
import java.io.*;
import java.net.Socket;
import java.util.StringTokenizer;
import java.util.Vector;
public class Serverthread implements Runnable {
private String userName;//用户昵称
Socket sc; // 客户端Socket变量
Vector vc; // 所有用户线程对象集合
DataInputStream input;
DataOutputStream output;
public Serverthread(){};
public Serverthread(Socket sc,Vector vector) {
System.out.println("连接服务器");
this.sc=sc;//接受客户端传递过来的参数
this.vc=vector;//接受传递过来的线程
System.out.println("用户名是："+userName);
try{
/*利用客户端sc获得客户端输入流对象*/
input=new DataInputStream(sc.getInputStream());
/*利用客户端sc获得客户端输出流对象*/
output=new DataOutputStream(sc.getOutputStream());
boolean Flag1=true;
while(Flag1){
userName=input.readUTF();
System.out.println("得到的用户名："+userName);
boolean Flag=false;
StringTokenizer strtk=new StringTokenizer(Serverchat.allNames,";");
while(strtk.hasMoreTokens()){
String tempName=strtk.nextToken();
if(userName.equals(tempName)){
output.writeUTF("*");
System.out.println("用户名不可用");
Flag=true;
break;
} }
if(!Flag){
output.writeUTF("#");
System.out.println("用户名可用");
break;
}
if(userName.equals("")){
break;}
}
}
catch(Exception e){e.printStackTrace();}
}
public void write(String msg){
synchronized(output){// 同步对象
try{
output.writeUTF(msg);
}catch(Exception e){
}
}
}
public String getUserName(){
this.userName=userName;
return userName;
}
public void run(){
try{
while(true){
String ss=input.readUTF();
if(ss.equals("1")){
try {
for(int i=1;i<vc.size();i++){
Serverthread str=(Serverthread)vc.get(i);
//output.writeUTF(this.getUserName()+"退出了！");
str.write(ss+this.getUserName());
}
vc.remove(this.sc);
Serverchat.allNames = Serverchat.allNames.substring(0,Serverchat.allNames.indexOf(this.getUserName())-1)
+Serverchat.allNames.substring(Serverchat.allNames.indexOf(this.getUserName())+this.getUserName().length());
} catch (Exception e) {
e.printStackTrace();
}
//exit();
}else if(ss.charAt(0)=='3'){
for(int i=1;i<vc.size();i++){
Serverthread str=(Serverthread)vc.get(i);
str.write(ss);
}
}else if(ss.charAt(0)=='4'){
for(int i=1;i<vc.size();i++){
Serverthread str=(Serverthread)vc.get(i);
if(str.getUserName().equals(ss.substring(ss.indexOf("<")+1,ss.indexOf(">")))){
str.write(ss);
break;
}
}
}
}
}catch(Exception e){
}
}
}
Serverchat类
package util;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Vector;
public class Serverchat {
/**
* @param args
*/
public static String allNames="所有人;";
public static Vector vcthreads = new Vector();
public Serverchat() {
}
public static void main(String[] args) {
// TODO Auto-generated method stub
ServerSocket ss=null;
try {
System.out.println("等待连接。。。");
ss=new ServerSocket(8887);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
while(true){
Socket sc=ss.accept();//有用户呼叫就建立一个客户端socket对象
Serverthread st=new Serverthread(sc,vcthreads);
if(st.getUserName().equals("")){
continue;
}
vcthreads.addElement(st);
new Thread(st).start();
allNames=allNames+st.getUserName()+";";
for(int i=0;i<vcthreads.size();i++){
Serverthread st1=(Serverthread)vcthreads.get(i);
st1.write("0"+"欢迎用户 "+st.getUserName()+" 登陆聊天室!"+allNames);
}
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
客户端代码
ConnectionManager类
package util;
import java.sql.*;
public final class ConnectionManager {
private static final String DRIVERCLASS="com.mysql.jdbc.Driver";
private static final String URL="jdbc:mysql://127.0.0.1:3306/huang";
private static final String USER="root";
private static final String PWD="root";
private static Connection conn;
public static Connection getConnectionobj(){
try {
Class.forName(DRIVERCLASS);
conn=DriverManager.getConnection(URL,USER,PWD);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public static void closeDBconn(Connection conn){
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void closeDBconn(Statement state){
try {
state.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void closeDBconn(ResultSet rs){
try {
rs.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Login类
package util;
import java.awt.Color;
import java.awt.Font;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.Vector;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class Login extends JFrame {
JTextField t1,t2,t3,t4;
JLabel l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,lshu,l11,lreturn;
JButton b1,b2,b3,b4;
Font font=new Font("宋体",1,12);
Font font8=new Font("宋体",1,15);
Vector v=new UserregDAO().getAllUser();
static String str1,str2,str3;
JPanel jp=(JPanel)this.getContentPane();
public Login(){
init();
}
private void init() {
// TODO Auto-generated method stub
SwingUtilities.invokeLater(new Runnable(){
public void run() {
try{
// TODO Auto-generated method stub
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch (Exception exception) {
// TODO: handle exception
}
}
});
Toolkit tk=Toolkit.getDefaultToolkit();
Image image=tk.createImage("图标.jpg");
this.setIconImage(image);
//this.setBounds(200, 180, 600, 270);
this.setBounds(200, 180, 350, 270);
this.setVisible(true);
//JPanel jp=(JPanel)this.getContentPane();
jp.setLayout(null);
jp.setBackground(new Color(200,210,100));
this.setTitle(" 用户登录");
this.setLayout(null);
this.setResizable(false);
this.setDefaultCloseOperation(3);
//Font font=new Font("宋体",1,12);
ImageIcon image1 = new ImageIcon("biaoti2.jpg");
//l1=new JLabel("2 0 1 1 客 户 端 聊 天 软 件");
//l1.setBounds(55, 20, 300, 40);
//l1.setFont(font8);
l1=new JLabel(image1);
//l1.setBounds(0, 1, 345, 65);
l1.setBounds(0, 0, 600, 65);
jp.add(l1);
ImageIcon image2 = new ImageIcon("长竖.jpg");
lshu=new JLabel(image2);
lshu.setBounds(355, 1, 5, 260);
jp.add(lshu);
l2=new JLabel("用户名：");
l2.setBounds(40, 90, 60, 20);
l2.setFont(font);
jp.add(l2);
t1=new JTextField(15);
t1.setBounds(100, 90, 120, 20);
jp.add(t1);
l4=new JLabel("注 册 用 户");
l4.setForeground(Color.blue);
l4.setBounds(240, 85, 80, 20);
l4.setFont(font);
jp.add(l4);
l4.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l4.setForeground(Color.red);
}
public void mouseExited(MouseEvent arg0){
l4.setForeground(Color.blue);
}
public void mousePressed(MouseEvent arg0){
new Insert();
exit();
}
});
l3=new JLabel("密 码：");
l3.setBounds(40, 130, 60, 20);
l3.setFont(font);
jp.add(l3);
t2=new JPasswordField(15);
t2.setBounds(100, 130, 120, 20);
jp.add(t2);
l5=new JLabel("修 改 密 码");
l5.setForeground(Color.blue);
l5.setBounds(240, 110, 80, 20);
l5.setFont(font);
jp.add(l5);
l5.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l5.setForeground(Color.red);
}
public void mouseExited(MouseEvent arg0){
l5.setForeground(Color.blue);
}
public void mousePressed(MouseEvent arg0){
new Update();
exit();
}
});
l6=new JLabel();
l6.setForeground(Color.red);
l6.setVisible(false);
l6.setBounds(60, 210, 260, 20);
l6.setFont(font);
jp.add(l6);
l6.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l6.setVisible(false);
}
});
b1=new JButton("登 录");
b1.setForeground(Color.black);
b1.setBounds(70, 180, 80, 20);
jp.add(b1);
b1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
if(t1.getText()==null||t1.getText().equals("")||t2.getText()==null||t2.getText().equals("")){
l6.setText("用 户 名 或 密 码 不 能 为 空 ！！！");
l6.setVisible(true);
return;
}else{
UserregDAO dao=new UserregDAO();
boolean bool=dao.selectlogin(t1.getText(),t2.getText());
if(bool){
str3=t1.getText();
exit();
// new UserMain();
Userchat chat=new Userchat();
new Thread(chat).start();
}else{
l6.setText("用 户 名 或 密 码 错 误 ！！！");
l6.setVisible(true);
}
}
}
});
b2=new JButton("退 出");
b2.setForeground(Color.black);
b2.setBounds(170, 180, 80, 20);
jp.add(b2);
b2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
System.exit(0);
//exit();
}
});
l11=new JLabel("管 理 员登录");
l11.setForeground(Color.blue);
//l7.setBounds(410, 20, 200, 40);
l11.setBounds(237,135, 120, 20);
l11.setFont(font);
jp.add(l11);
l11.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l11.setForeground(Color.red);
}
public void mouseExited(MouseEvent arg0){
l11.setForeground(Color.blue);
}
public void mousePressed(MouseEvent arg0){
thissize1();
}
});
this.validate();
}
public void exit(){
this.dispose();
}
public void thissize1(){
this.setBounds(200, 180, 600, 270);
l8=new JLabel("管理员：");
l8.setBounds(390, 90, 60, 20);
l8.setFont(font);
jp.add(l8);
t3=new JTextField(15);
t3.setBounds(450, 90, 120, 20);
jp.add(t3);
l9=new JLabel("密 码：");
l9.setBounds(390, 130, 60, 20);
l9.setFont(font);
jp.add(l9);
t4=new JPasswordField(15);
t4.setBounds(450, 130, 120, 20);
jp.add(t4);
b3=new JButton("登 录");
b3.setForeground(Color.black);
b3.setBounds(405, 180, 70, 20);
jp.add(b3);
b3.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
if(t3.getText()==null||t3.getText().equals("")||t4.getText()==null||t4.getText().equals("")){
l10.setText("不能有空值！！！");
l10.setVisible(true);
}else{
if(t3.getText()=="huanglibo"||t3.getText().equals("huanglibo")&&t4.getText()=="616424735"||t4.getText().equals("616424735")){
new UserData();
exit();
}else{
l10.setText("管理员密码错误");
l10.setVisible(true);
//return;
}
}
}
});
b4=new JButton("退 出");
b4.setForeground(Color.black);
b4.setBounds(495, 180, 70, 20);
jp.add(b4);
b4.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
System.exit(0);
//exit();
}
});
lreturn=new JLabel("《《《");
lreturn.setForeground(Color.blue);
lreturn.setBounds(370, 210, 50, 30);
jp.add(lreturn);
lreturn.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
lreturn.setForeground(Color.red);
}
public void mouseExited(MouseEvent arg0){
lreturn.setForeground(Color.blue);
}
public void mousePressed(MouseEvent arg0){
thissize2();
}
});
l10=new JLabel();
l10.setForeground(Color.red);
l10.setVisible(false);
l10.setBounds(450, 210, 250, 20);
l10.setFont(font);
jp.add(l10);
l10.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l10.setVisible(false);
}
});
this.validate();
}
public void thissize2(){
this.setBounds(200, 180, 350, 270);
}
}
Insert类
package util;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.*;
public class Insert extends JFrame{
private JLabel l0,l1,l2,l3,l4,l5,l6,l7;
private JTextField t1,t2,t3;
private JButton b1,b2,b3;
Font font=new Font("宋体",1,24);
Font font1=new Font("宋体",1,25);
public Insert(){
init();
}
public void init() {
// TODO Auto-generated method stub
SwingUtilities.invokeLater(new Runnable(){
public void run() {
try{
// TODO Auto-generated method stub
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch (Exception exception) {
// TODO: handle exception
}
}
});
Toolkit tk=Toolkit.getDefaultToolkit();
Image image=tk.createImage("图标.jpg");
this.setIconImage(image);
this.setVisible(true);
this.setBounds(300, 100, 470, 300);
this.setTitle(" 注册用户");
this.setResizable(false);
JPanel jp=(JPanel)this.getContentPane();
jp.setLayout(null);
jp.setBackground(new Color(200,210,100));
this.setLayout(null);
l0=new JLabel("注 册 用 户");
l0.setFont(font);
l0.setBounds(130, 10, 200, 40);
jp.add(l0);
l1=new JLabel("用户名称：");
l1.setBounds(20, 70, 80, 20);
jp.add(l1);
t1=new JTextField(15);
t1.setBounds(90, 70, 100, 20);
jp.add(t1);
l4=new JLabel("由数字和字母组成且长度为：6--15字符");
l4.setForeground(Color.blue);
l4.setBounds(200, 70, 300, 20);
jp.add(l4);
l2=new JLabel("用户密码：");
jp.add(l2);
l2.setBounds(20, 110, 80, 20);
t2=new JPasswordField(15);
t2.setBounds(90, 110, 100, 20);
jp.add(t2);
l5=new JLabel("密码由数字和字母组成且长度为：6--15字符");
l5.setForeground(Color.blue);
l5.setBounds(200, 110, 300, 20);
jp.add(l5);
l3=new JLabel("重复密码：");
l3.setBounds(20, 150, 80, 20);
jp.add(l3);
t3=new JPasswordField(15);
t3.setBounds(90, 150, 100, 20);
jp.add(t3);
l6=new JLabel("两次密码需相同");
l6.setBounds(200, 150, 300, 20);
l6.setForeground(Color.blue);
jp.add(l6);
b1=new JButton("注 册");
b1.setBounds(40, 190, 80, 20);
jp.add(b1);
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(t1.getText()==null||t1.getText().equals("")||
t2.getText()==null||t2.getText().equals("")||
t3.getText()==null||t3.getText().equals("")){
l7.setText("不允许有空值！！！");
l7.setVisible(true);
return;
}else if(t1.getText().length()<6||t1.getText().length()>15){
l7.setText("用户名长度不对，请验证。。。");
l7.setVisible(true);
return;
}else if(t2.getText().length()<6||t2.getText().length()>15){
l7.setText("第一次密码长度不对，请验证。。。");
l7.setVisible(true);
return;
}else if(t3.getText().length()<6||t3.getText().length()>15){
l7.setText("第二次密码长度不对，请验证。。。");
l7.setVisible(true);
return;
}else if(!t2.getText().equals(t3.getText())){
l7.setText("两次密码不对，请核对！！！");
l7.setVisible(true);
System.out.println("123");
return;
}else{
if(validate(t1.getText())&&validate(t2.getText())){
System.out.println("123456");
UserregDAO dao=new UserregDAO();
boolean bool=dao.validateReg(t1.getText());
if(!bool){
l7.setText("此用户名已被注册，请更换！！！");
l7.setVisible(true);
return;
}else{
UserregDAO dao2=new UserregDAO();
int info=dao2.insert(t1.getText(),t2.getText());
if(info==1){
l7.setText("恭喜您，注册成功");
l7.setVisible(true);
}else{
l7.setText("对不起，系统异常，稍后重试");
l7.setVisible(true);
}
}
}else{
l7.setText("用户名或密码格式有误请验证。。。");
l7.setVisible(true);
}
}
}
});
b2=new JButton("退 出");
b2.setBounds(160, 190, 80, 20);
jp.add(b2);
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
exit();
new Login();
//System.exit(0);
}
});
b3=new JButton("重 置");
b3.setBounds(280, 190, 80, 20);
jp.add(b3);
b3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
t1.setText("");
t2.setText("");
t3.setText("");
}
});
l7=new JLabel("不允许有空值！！！");
l7.setBounds(30, 225, 420, 30);
l7.setForeground(Color.red);
l7.setFont(font1);
l7.setVisible(false);
l7.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l7.setVisible(false);
}
});
jp.add(l7);
this.validate();
}
public void exit(){
this.dispose();
}
public boolean validate(String str){
char cha1[]=str.toCharArray();//将给定的字符串转换成Char数组
for(int i=0;i<str.length();i++){//用for循环遍历数组
char cha=cha1[i];
if(Character.isDigit(cha)||Character.isLetter(cha)){//判断是否为数字或字母
}else{
return false;
}
}
return true;
}
}
Update类
package util;
import java.awt.Color;
import java.awt.Font;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class Update extends JFrame{
private JLabel l0,l1,l2,l3,l4,l5,l6,l7,l8,l9;
private JTextField t1,t2,t3,t4;
public static JButton b1,b2,b3;
Font font=new Font("宋体",1,24);
Font font1=new Font("宋体",1,25);
public Update(){
init();
}
private void init() {
// TODO Auto-generated method stub
SwingUtilities.invokeLater(new Runnable(){
public void run() {
try{
// TODO Auto-generated method stub
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch (Exception exception) {
// TODO: handle exception
}
}
});
Toolkit tk=Toolkit.getDefaultToolkit();
Image image=tk.createImage("图标.jpg"); /*image.gif是你的图标*/
this.setIconImage(image);
this.setVisible(true);
this.setBounds(300, 100, 430, 350);
this.setTitle(" 修改密码");
this.setResizable(false);
//this.setDefaultCloseOperation(3);
JPanel jp=(JPanel)this.getContentPane();
jp.setLayout(null);
jp.setBackground(new Color(200,210,100));
this.setLayout(null);
l0=new JLabel("修 改 密 码");
l0.setFont(font);
l0.setBounds(130, 10, 200, 40);
jp.add(l0);
l1=new JLabel("用户名：");
l1.setBounds(20, 70, 80, 20);
jp.add(l1);
t1=new JTextField(15);
t1.setBounds(90, 70, 100, 20);
jp.add(t1);
l4=new JLabel("您必须已经注册");
l4.setForeground(Color.blue);
l4.setBounds(200, 70, 300, 20);
jp.add(l4);
l2=new JLabel("原密码：");
jp.add(l2);
l2.setBounds(20, 110, 80, 20);
t2=new JPasswordField(15);
t2.setBounds(90, 110, 100, 20);
jp.add(t2);
l5=new JLabel("与该用户名相对应的密码");
l5.setForeground(Color.blue);
l5.setBounds(200, 110, 300, 20);
jp.add(l5);
l3=new JLabel("新密码：");
l3.setBounds(20, 150, 80, 20);
jp.add(l3);
t3=new JPasswordField(15);
t3.setBounds(90, 150, 100, 20);
jp.add(t3);
l6=new JLabel("由数字或字母组成且长度为：6--15字符");
l6.setBounds(200, 150, 300, 20);
l6.setForeground(Color.blue);
jp.add(l6);
l9=new JLabel("重复密码：");
l9.setBounds(10, 190, 300, 20);
jp.add(l9);
t4=new JPasswordField(15);
t4.setBounds(90, 190, 100, 20);
jp.add(t4);
l8=new JLabel("两次密码需相同");
l8.setBounds(200, 190, 300, 20);
l8.setForeground(Color.blue);
jp.add(l8);
b1=new JButton("修 改");
b1.setBounds(40, 240, 80, 20);
jp.add(b1);
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(t1.getText()==null||t1.getText().equals("")||
t2.getText()==null||t2.getText().equals("")||
t3.getText()==null||t3.getText().equals("")||
t4.getText()==null||t4.getText().equals("")){
l7.setText("不能有空值！！！");
l7.setVisible(true);
//return;
}else if(t3.getText().length()<6||t3.getText().length()>15){
l7.setText("新密码长度不对，请验证。。。");
l7.setVisible(true);
//return;
}else if(t4.getText().length()<6||t4.getText().length()>15){
l7.setText("重复密码长度不对，请验证。。。");
l7.setVisible(true);
//return;
}else if(t3.getText().equals(t4.getText())){
if(validate2(t3.getText())){
System.out.println("123456");
UserregDAO dao=new UserregDAO();
boolean bool=dao.validateUpdate(t1.getText(),t2.getText());
if(!bool)
{
l7.setText("此用户不存在或密码错误!!!");
l7.setVisible(true);
//return;
}
else{
UserregDAO dao2=new UserregDAO();
int info=dao2.update(t3.getText(),t1.getText());
if(info==1){
l7.setText("恭喜您，密码修改成功，请牢记！！！");
l7.setVisible(true);
}else{
l7.setText("对不起，系统异常，稍后重试");
l7.setVisible(true);
}
}
}else{
l7.setText("新密码格式有误请验证！！！");
l7.setVisible(true);
}
}else{
l7.setText("两次密码不对，请核对！！！");
l7.setVisible(true);
System.out.println("123");
}
}
});
b2=new JButton("退 出");
b2.setBounds(160, 240, 80, 20);
jp.add(b2);
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
exit();
new Login();
//System.exit(0);
}
});
b3=new JButton("重 置");
b3.setBounds(280, 240, 80, 20);
jp.add(b3);
b3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
t1.setText("");
t2.setText("");
t3.setText("");
t4.setText("");
}
});
l7=new JLabel("不允许有空值！！！");
l7.setBounds(30, 270, 420, 30);
l7.setForeground(Color.red);
l7.setFont(font1);
l7.setVisible(false);
l7.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l7.setVisible(false);
}
});
jp.add(l7);
this.validate();
}
public void exit(){
this.dispose();
}
public boolean validate2(String str){
char cha1[]=str.toCharArray();//将给定的字符串转换成Char数组
for(int i=0;i<str.length();i++){//用for循环遍历数组
char cha=cha1[i];
if(Character.isDigit(cha)||Character.isLetter(cha)){//判断是否为数字或字母
}else{
return false;
}
}
return true;
}
}
UserData类
package util;
import java.awt.Color;
import java.awt.Font;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Vector;
import javax.sound.midi.SysexMessage;
import javax.swing.BorderFactory;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.LineBorder;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import sun.audio.AudioPlayer;
import sun.audio.AudioStream;
import sun.audio.ContinuousAudioDataStream;
public class UserData extends JFrame {
JList list;
JLabel l1,l2;
JButton b1,b2,b3,b4;
JScrollPane jsp1;
Font font=new Font("宋体",1,15);
Font font1=new Font("宋体",1,25);
String str;
DefaultListModel model;
//Vector v=new UserregDAO().select();
public UserData(){
init();
}
private void init() {
// TODO Auto-generated method stub
SwingUtilities.invokeLater(new Runnable(){
public void run() {
try{
// TODO Auto-generated method stub
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch (Exception exception) {
// TODO: handle exception
}
}
});
Toolkit tk=Toolkit.getDefaultToolkit();
Image image=tk.createImage("图标.jpg"); /*image.gif是你的图标*/
this.setIconImage(image);
model=new DefaultListModel();
this.setVisible(true);
this.setBounds(300, 100, 300, 400);
this.setTitle(" 用户管理");
this.setResizable(false);
JPanel jp=(JPanel)this.getContentPane();
jp.setLayout(null);
jp.setBackground(new Color(200,210,100));
this.setLayout(null);
l1=new JLabel("+++所有已注册用户+++");
l1.setBounds(10, 10, 300, 20);
l1.setFont(font);
jp.add(l1);
list=new JList();
list.setBorder(new LineBorder(new Color(199,255,200),3));
list.setBounds(20, 40, 150, 280);
list.addMouseListener(new MouseAdapter(){
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
if(e.getButton()==1){
String s=(String)list.getSelectedValue();
str=s;
}
}
});
jsp1=new JScrollPane(list);
jsp1.setVisible(true);
jsp1.setBounds(20, 40, 150, 280);
jsp1.setBorder(BorderFactory.createEtchedBorder());
jp.add(jsp1);
jsp1.getViewport().add(list);
// 分别设置水平和垂直滚动条自动出现
jsp1.setHorizontalScrollBarPolicy(
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
jsp1.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
b1=new JButton("显 示");
b1.setBounds(200, 65, 70, 30);
jp.add(b1);
b1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
model.removeAllElements();
Vector v=new UserregDAO().select();
if(v.size()!=0){
for(int i=0;i<v.size();i++){
String strs=(String)v.get(i);
model.addElement(strs+"\n");
}
}
list.setModel(model);
list.validate();
}
});
b2=new JButton("隐 藏");
b2.setBounds(200, 130, 70, 30);
jp.add(b2);
b2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
model.removeAllElements();
}
});
b3=new JButton("删 除");
b3.setBounds(200, 190, 70, 30);
jp.add(b3);
b3.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
UserregDAO dao=new UserregDAO();
String s=str.trim();//去掉空格
int info=dao.delete(s);
if(info!=0){
l2.setText("删 除 成 功");
l2.setVisible(true);
model.removeAllElements();
Vector v=new UserregDAO().select();
if(v.size()!=0){
for(int i=0;i<v.size();i++){
String strs=(String)v.get(i);
model.addElement(strs+"\n");
}
}
list.setModel(model);
list.validate();
}else{
l2.setText("删 除 失 败");
l2.setVisible(true);
}
}
});
b2=new JButton("退 出");
b2.setBounds(200, 255, 70, 30);
jp.add(b2);
b2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0){
// TODO Auto-generated method stub
System.exit(0);
//exit();
}
});
l2=new JLabel();
l2.setBounds(40, 330, 150, 30);
l2.setForeground(Color.red);
l2.setVisible(false);
l2.setFont(font1);
jp.add(l2);
l2.addMouseListener(new MouseAdapter(){
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
l2.setVisible(false);
}
});
this.validate();
}
public void exit(){
this.dispose();
}
}
UserMain类
package util;
import java.util.Vector;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import com.*;
public class UserMain {
public UserMain(){
Userchat chat=new Userchat();
new Thread(chat).start();
}
public static void main(String[] args) {
// TODO Auto-generated method stub
SwingUtilities.invokeLater(new Runnable(){
public void run() {
try{
// TODO Auto-generated method stub
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch (Exception exception) {
// TODO: handle exception
}
new Login();
}
});
}
}
Userreg类
package util;
public final class Userreg {
private String name;
private String pwd;
public final String getName() {
return name;
}
public final void setName(String name) {
this.name = name;
}
public final String getPwd() {
return pwd;
}
public final void setPwd(String pwd) {
this.pwd = pwd;
}
Userreg(){
}
Userreg(String name,String pwd){
this.name=name;
this.pwd=pwd;
}
}
UserregDAO类
package util;import java.sql.*;
import java.util.*;
public final class UserregDAO {
private static Connection connobj;
public Vector getAllUser(){
Vector users=new Vector();
Statement state=null;
ResultSet rs=null;
try {
state=connobj.createStatement();
rs=state.executeQuery("select * from login");
while(rs.next()){
Userreg temp=new Userreg();
temp.setName(rs.getString(1));
temp.setPwd(rs.getString(2));
users.add(temp);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
ConnectionManager.closeDBconn(rs);
ConnectionManager.closeDBconn(state);
ConnectionManager.closeDBconn(connobj);
}
return users;
}
public UserregDAO(){
getConnection();
}
private void getConnection() {
// TODO Auto-generated method stub
connobj=ConnectionManager.getConnectionobj();
}
public boolean validateReg(String userName){
boolean bool=true;
java.sql.PreparedStatement ps=null;
java.sql.ResultSet rs=null;
String sql="select * from Login where name=?";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, userName);
rs=ps.executeQuery();
if(rs.next())
bool=false;// 有相同的用户名
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
rs.close();
ps.close();
connobj.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return bool;
}
public int insert(String userName,String pwd){
int info=0;
PreparedStatement ps=null;
String sql="insert into Login values(?,?)";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, userName);
ps.setString(2, pwd);
info=ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
ps.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ConnectionManager.closeDBconn(connobj);
}
return info;
}
public boolean validateUpdate(String userName,String pwd){
boolean bool=false;
java.sql.PreparedStatement ps=null;
java.sql.ResultSet rs=null;
String sql="select * from Login where name=? and pwd=?";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, userName);
ps.setString(2, pwd);
rs=ps.executeQuery();
if(rs.next())
bool=true;// 有相同的用户名
} catch (SQLException e){
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
rs.close();
ps.close();
connobj.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return bool;
}
public int update(String pwd,String userName){
int info=0;
PreparedStatement ps=null;
String sql="update login set pwd=? where name=?";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, pwd);
ps.setString(2, userName);
info=ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
ps.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ConnectionManager.closeDBconn(connobj);
}
return info;
}
public int delete(String userName){
int info=0;
PreparedStatement ps=null;
String sql="delete from Login where name=?";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, userName);
info=ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
ps.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ConnectionManager.closeDBconn(connobj);
}
return info;
}
public Vector select(){
Vector users=new Vector();
PreparedStatement ps=null;
ResultSet rs=null;
String sql="select name from Login";
try {
ps=connobj.prepareStatement(sql);
rs=ps.executeQuery();
while(rs.next()){
String s=rs.getString(1);
users.add(s);
}
} catch (SQLException e){
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
rs.close();
ps.close();
connobj.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return users;
}
public boolean selectlogin(String userName,String pwd){
boolean bool=false;
java.sql.PreparedStatement ps=null;
java.sql.ResultSet rs=null;
String sql="select * from Login where name=? and pwd=?";
try {
ps=connobj.prepareStatement(sql);
ps.setString(1, userName);
ps.setString(2, pwd);
rs=ps.executeQuery();
if(rs.next())
bool=true;// 有该用户名
} catch (SQLException e){
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
rs.close();
ps.close();
connobj.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return bool;
}
}
------------------------- android培训、java培训、期待与您交流！ -------------------------