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登陆窗口java代码下载,登陆窗口java代码下载

用JAVA语言编程实现一个用户登录窗口

方法一:

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采用JOptionPane中的一个非常有用的静态方法 showOptionPane();

源码如下:

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.JPasswordField;

import javax.swing.JOptionPane;

import javax.swing.BoxLayout;

import javax.swing.Box;

import javax.swing.BorderFactory;

public class Login1 {

public static void main(String[] args) {

javax.swing.SwingUtilities.invokeLater(new Runnable() {

public void run() {

createAndShowGUI();

}

});

}

static void createAndShowGUI() {

JFrame mainFrame = new JFrame();

mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

mainFrame.setBounds(250,250,400,300);

mainFrame.setVisible(false);

usernameField = new JTextField(10);

passwordField = new JPasswordField(10);

Object[] options = {"登录","取消"};

int i = JOptionPane.showOptionDialog(null,createLoginPanel(),"登录信息",JOptionPane.DEFAULT_OPTION,JOptionPane.PLAIN_MESSAGE,null,options,options[0]);

if(i==0) {

String username = usernameField.getText();

String password = passwordField.getText();

if(!username.equals("") !password.equals("")) {

mainFrame.getContentPane().add(new JLabel("用户名:"+username+" 密码是:"+password,JLabel.CENTER));

mainFrame.show();

}

else {

JOptionPane.showMessageDialog(null,"用户名和密码不能为空","提示",JOptionPane.WARNING_MESSAGE);

System.exit(1);

}

}

else System.exit(0);

}

static JPanel createLoginPanel() {

JPanel ret = new JPanel();

JPanel usernamePanel = new JPanel();

usernamePanel.add(new JLabel("用户名:",JLabel.RIGHT));

usernamePanel.add(usernameField);

JPanel passwordPanel = new JPanel();

passwordPanel.add(new JLabel("密 码:",JLabel.RIGHT));

passwordPanel.add(passwordField);

Box box = new Box(BoxLayout.Y_AXIS);

box.add(usernamePanel); box.add(passwordPanel);

ret.add(box);

ret.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(new Color(244,144,44)),"填写登录信息"));

return ret;

}

static JFrame mainFrame = null;

static JTextField usernameField = null;

static JPasswordField passwordField = null;

}

运行:

javac -deprecation Login1.java

java Login

(因为有一个过期的API,所以用了 -deprecation 命令)

方法二,使用了两个JFrame类共同实现,第一次显示第一个frame,当点了登录后且操作合法时,第一个窗口就被释放了 dispose();再显示第二个窗口:

源码如下:

import java.awt.Color;

import java.awt.BorderLayout;

import java.awt.event.*;

import javax.swing.*;

public class Login2 {

public static void main(String[] args) {

javax.swing.SwingUtilities.invokeLater(new Runnable() {

public void run() {

createAndShowGUI();

}

});

}

static void createAndShowGUI() {

//////////////////////////////////////////////////////////////

loginWindow = new JFrame("登录信息");

loginWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

loginWindow.setBounds(350,350,250,200);

loginWindow.setResizable(false);

JPanel usernamePanel = new JPanel();

usernamePanel.add(new JLabel("用户名:",JLabel.CENTER));

usernamePanel.add(usernameField);

JPanel passwordPanel = new JPanel();

passwordPanel.add(new JLabel("密 码:",JLabel.CENTER));

passwordPanel.add(passwordField);

Box box = new Box(BoxLayout.Y_AXIS);

box.add(usernamePanel); box.add(passwordPanel);

JPanel infoPanel = new JPanel();

infoPanel.add(box);

infoPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(new Color(244,144,44)),"填写登录信息"));

JButton submitButton = new JButton("登录");

JButton cancelButton = new JButton("取消");

submitButton.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e) {

String username = usernameField.getText();

String password = passwordField.getText();

if(!username.equals("") !password.equals("")) {

loginWindow.dispose();

mainFrame.getContentPane().add(new JLabel("用户名:"+username+" 密码是:"+password,JLabel.CENTER));

mainFrame.setVisible(true);

}

else {

JOptionPane.showMessageDialog(null,"用户名和密码不能为空","提示",JOptionPane.WARNING_MESSAGE);

System.exit(1);

}

}

});

cancelButton.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e) {

System.exit(0);

}

});

JPanel buttonPanel = new JPanel();

buttonPanel.add(submitButton); buttonPanel.add(cancelButton);

loginWindow.getContentPane().add(infoPanel,BorderLayout.CENTER);

loginWindow.getContentPane().add(buttonPanel,BorderLayout.SOUTH);

loginWindow.getContentPane().add(new JPanel(),BorderLayout.EAST);

loginWindow.getContentPane().add(new JPanel(),BorderLayout.WEST);

loginWindow.setVisible(true);

/////////////////////////////////////////////////////////////////

mainFrame = new JFrame();

mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

mainFrame.setBounds(250,250,400,300);

mainFrame.setVisible(false);

}

static JFrame loginWindow,mainFrame;

static final JTextField usernameField = new JTextField(10);

static final JPasswordField passwordField = new JPasswordField(10);

}

运行:

javac -deprecation Login2.java

java Login2

登陆界面的java代码怎么写?

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.sql.*;

class LoginFrm extends JFrame implements ActionListener

{

JLabel lbl1=new JLabel("用户名");

JLabel lbl2=new JLabel("密码");

JTextField txt=new JTextField(15);

JPasswordField pf=new JPasswordField();

JButton btn1=new JButton("确定");

JButton btn2=new JButton("取消");

public LoginFrm()

{

this.setTitle("登陆");

JPanel jp=(JPanel)this.getContentPane();

jp.setLayout(new GridLayout(3,2,10,10));

jp.add(lbl1);jp.add(txt);

jp.add(lbl2);jp.add(pf);

jp.add(btn1);jp.add(btn2);

btn1.addActionListener(this);

btn2.addActionListener(this);

}

public void actionPerformed(ActionEvent ae)

{

if(ae.getSource()==btn1)

{

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection con=DriverManager.getConnection("jdbc:odbc:MyDB","","");

Statement cmd=con.createStatement();

ResultSet rs=cmd.executeQuery("select * from loginAndpassword where login='"+txt.getText()+"' and password='"+pf.getText()+"'");

if(rs.next())

{

JOptionPane.showMessageDialog(null,"登陆成功!");

}

else

JOptionPane.showMessageDialog(null,"用户名或密码错误!");

} catch(Exception ex){}

if(ae.getSource()==btn2)

{

txt.setText("");

pf.setText("");

}

}

}

public static void main(String arg[])

{

JFrame.setDefaultLookAndFeelDecorated(true);

LoginFrm frm=new LoginFrm();

frm.setSize(400,200);

frm.setVisible(true);

}

}

用java写一个登陆界面代码。

概述

具体框架使用jframe,文本框组件:JTextField;密码框组件:JPasswordField;标签组件:JLabel;复选框组件:JCheckBox;单选框组件:JRadioButton;按钮组件JButton。

登录界面:

代码实例

import javax.swing.*;

import java.awt.*;   //导入必要的包

public class denglu extends JFrame{

JTextField jTextField ;//定义文本框组件

JPasswordField jPasswordField;//定义密码框组件

JLabel jLabel1,jLabel2;

JPanel jp1,jp2,jp3;

JButton jb1,jb2; //创建按钮

public denglu(){

jTextField = new JTextField(12);

jPasswordField = new JPasswordField(13);

jLabel1 = new JLabel("用户名");

jLabel2 = new JLabel("密码");

jb1 = new JButton("确认");

jb2 = new JButton("取消");

jp1 = new JPanel();

jp2 = new JPanel();

jp3 = new JPanel();

//设置布局

this.setLayout(new GridLayout(3,1));

jp1.add(jLabel1);

jp1.add(jTextField);//第一块面板添加用户名和文本框

jp2.add(jLabel2);

jp2.add(jPasswordField);//第二块面板添加密码和密码输入框

jp3.add(jb1);

jp3.add(jb2); //第三块面板添加确认和取消

//        jp3.setLayout(new FlowLayout());  //因为JPanel默认布局方式为FlowLayout,所以可以注销这段代码.

this.add(jp1);

this.add(jp2);

this.add(jp3);  //将三块面板添加到登陆框上面

//设置显示

this.setSize(300, 200);

//this.pack();

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

this.setTitle("登陆");

}

public static void main(String[] args){

new denglu();

}

}

拓展内容

java swing包

Swing 是一个为Java设计的GUI工具包。

Swing是JAVA基础类的一部分。

Swing包括了图形用户界面(GUI)器件如:文本框,按钮,分隔窗格和表。

Swing提供许多比AWT更好的屏幕显示元素。它们用纯Java写成,所以同Java本身一样可以跨平台运行,这一点不像AWT。它们是JFC的一部分。它们支持可更换的面板和主题(各种操作系统默认的特有主题),然而不是真的使用原生平台提供的设备,而是仅仅在表面上模仿它们。这意味着你可以在任意平台上使用JAVA支持的任意面板。轻量级组件的缺点则是执行速度较慢,优点就是可以在所有平台上采用统一的行为。

概念解析:

JFrame – java的GUI程序的基本思路是以JFrame为基础,它是屏幕上window的对象,能够最大化、最小化、关闭。

JPanel – Java图形用户界面(GUI)工具包swing中的面板容器类,包含在javax.swing 包中,可以进行嵌套,功能是对窗体中具有相同逻辑功能的组件进行组合,是一种轻量级容器,可以加入到JFrame窗体中。。

JLabel – JLabel 对象可以显示文本、图像或同时显示二者。可以通过设置垂直和水平对齐方式,指定标签显示区中标签内容在何处对齐。默认情况下,标签在其显示区内垂直居中对齐。默认情况下,只显示文本的标签是开始边对齐;而只显示图像的标签则水平居中对齐。

JTextField –一个轻量级组件,它允许编辑单行文本。

JPasswordField – 允许我们输入了一行字像输入框,但隐藏星号(*) 或点创建密码(密码)

JButton – JButton 类的实例。用于创建按钮类似实例中的 "Login"。

求JAVA实现用户登录界面代码?

你要先学会截图哦,你发的看不清楚,重新写了一个你参考参考!

import java.awt.GridLayout;

import javax.swing.ButtonGroup;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

public class Day30A extends JFrame {

private static final long serialVersionUID = 1L;

private JLabel labelName,labelId,labelPass,labelMoney,labelSelect,labelCar;

private JComboBoxString jcb;

private JPanel jp1,jp2,jp3,jp4,jp5,jp6,jp7;

private ButtonGroup btg;

private JRadioButton jr1,jr2;

Day30A(){

this.setTitle("注册账户");

this.setLayout(new GridLayout(7,1));

this.setSize(300,280);

this.setLocationRelativeTo(null);

this.setDefaultCloseOperation(EXIT_ON_CLOSE);

init();

this.setVisible(true);

}

private void init() {

String str="卡片类型1,卡片类型2,卡片类型3,卡片类型4,卡片类型5";

jcb=new JComboBox(str.split(","));

labelId=new JLabel("账号: ");

labelName=new JLabel("姓名: ");

labelPass=new JLabel("密码: ");

labelMoney=new JLabel("开户金额:");

labelSelect=new JLabel("存款类型:");

labelCar=new JLabel("卡片类型:");

addFun1();

addFun2();

}

private void addFun2() {

this.add(jp1);

this.add(jp2);

this.add(jp3);

this.add(jp4);

this.add(jp5);

this.add(jp6);

this.add(jp7);

}

private void addFun1() {

jp1=new JPanel();

jp1.add(labelId);

jp1.add(new JTextField(15));

jp2=new JPanel();

jp2.add(labelName);

jp2.add(new JTextField(15));

jp3=new JPanel();

jp3.add(labelPass);

jp3.add(new JTextField(15));

jp4=new JPanel();

jp4.add(labelMoney);

jp4.add(new JTextField(13));

jp5=new JPanel();

jp5.add(labelSelect);

btg=new ButtonGroup();

jr1=new JRadioButton("定期");

jr2=new JRadioButton("活期",true);

btg.add(jr1);

btg.add(jr2);

jp5.add(jr1);

jp5.add(jr2);

jp6=new JPanel();

jp6.add(labelCar);

jp6.add(jcb);

jp7=new JPanel();

jp7.add(new JButton("确定"));

jp7.add(new JButton("取消"));

}

public static void main(String[] args) {

new Day30A();

}

}

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;

}

}

}

}

JAVA 制作登陆窗口

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

public class Login extends JFrame{

nbsp;public Login() {

nbsp;nbsp;setLayout(new GridLayout(1,2));//网格布局,1行2列,放置左面板和右面板

nbsp;nbsp;setTitle("发表iPhone说说");//设置窗口标题

nbsp;nbsp;setSize(550,300);//设置大小

nbsp;nbsp;setLocationRelativeTo(null);//设置窗口位置

nbsp;nbsp;setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置窗口关闭按钮动作

nbsp;nbsp;//左面板

nbsp;nbsp;JPanel leftPanel = new JPanel();

nbsp;nbsp;leftPanel.setBorder(BorderFactory.createTitledBorder("登录手机腾讯网"));//给左面板加上边框,并添加文字

nbsp;nbsp;leftPanel.setLayout(new BorderLayout());

nbsp;nbsp;JPanel leftPanelTop = new JPanel();

nbsp;nbsp;JPanel leftPanelBottom = new JPanel();

nbsp;nbsp;leftPanel.add(leftPanelTop, BorderLayout.CENTER);

nbsp;nbsp;leftPanel.add(leftPanelBottom, BorderLayout.SOUTH);

nbsp;nbsp;leftPanelTop.setLayout(new GridLayout(3,2));//网格布局,3行2列

nbsp;nbsp;nbsp;nbsp;nbsp;

nbsp;nbsp;//========================请在下面写上你的代码

nbsp;nbsp;JLabel qq = new JLabel("QQ号码");

nbsp;nbsp;JTextField qqNum = new JTextField();

nbsp;nbsp;JLabel pwd = new JLabel("QQ密码");

nbsp;nbsp;JPasswordFieldnbsp; qqPwd = new JPasswordField();

nbsp;nbsp;JLabel verify = new JLabel("验证码");

nbsp;nbsp;JTextField qqVer = new JTextField();

nbsp;nbsp;leftPanelTop.add(qq);

nbsp;nbsp;leftPanelTop.add(qqNum);

nbsp;nbsp;leftPanelTop.add(pwd);

nbsp;nbsp;leftPanelTop.add(qqPwd);

nbsp;nbsp;leftPanelTop.add(verify);

nbsp;nbsp;leftPanelTop.add(qqVer);

nbsp;nbsp;leftPanelBottom.setLayout(new GridLayout(1,2));

nbsp;nbsp;JLabel i_vc = new JLabel(new ImageIcon("images/VerificationCode.jpg"));//这是显示验证码的标签,帮你写好了,后面直接调用即可。

nbsp;nbsp;JButton bt1 = new JButton("帐号密码登陆");

nbsp;nbsp;JButton bt2 = new JButton("带验证码登陆");

nbsp;nbsp;JPanel btPanel = new JPanel();

nbsp;nbsp;btPanel.setLayout(new GridLayout(2,1));

nbsp;nbsp;btPanel.add(bt1);

nbsp;nbsp;btPanel.add(bt2);

nbsp;nbsp;leftPanelBottom.add(i_vc);

nbsp;nbsp;leftPanelBottom.add(btPanel);

nbsp;nbsp;//============================================

nbsp;nbsp;add(leftPanel);//将左面板放入窗体中

nbsp;nbsp;//右面板

nbsp;nbsp;JPanel rightPanel = new JPanel();

nbsp;nbsp;rightPanel.setBorder(BorderFactory.createTitledBorder("发表iPhone说说"));//给右面板加上边框,并添加文字

nbsp;nbsp;//========================请在下面写上你的代码

nbsp;nbsp;JTextArea msg = new JTextArea();

nbsp;nbsp;JButton submit = new JButton("马上发表说说");

nbsp;nbsp;rightPanel.setLayout(new BorderLayout());

nbsp;nbsp;rightPanel.add(msg, BorderLayout.CENTER);

nbsp;nbsp;rightPanel.add(submit, BorderLayout.SOUTH);

nbsp;nbsp;//============================================

nbsp;nbsp;add(rightPanel);//将右面板放入窗体中

nbsp;nbsp;setVisible(true);//使窗体可见

nbsp;}

nbsp;public static void main(String[] args){

nbsp;nbsp;new Login();

nbsp;}

}


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