权限登录界面java代码,权限登录界面java代码错误
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!
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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();
}
}
求用JAVA编写的登陆界面！
这是我刚做的，JAVA布局与其它语言相比难度较大，建议你将两张图片PS成一张图片，做为背景，加入到JFRAME中，以降低难度。
要是这个你喜欢，不要忘记多给我加分啊！！！
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class LoginIn extends JFrame{
JTextField f1;
JTextField f2;
JButton b1;
JButton b2;
String power;//表示权限
String imgePath = "e:/workspace/GUI/14.gif";
JPanel p5;
Image img = Toolkit.getDefaultToolkit().createImage(imgePath);
LoginIn(){
Container cp=getContentPane();
Label l1=new Label("用户：");
Label l2=new Label("密码：");
JPanel p1=new JPanel();
JPanel p2=new JPanel();
JPanel p3=new JPanel();
JPanel p4=new JPanel();
p5=new JPanel(){
protected void paintChildren(Graphics g) {
g.drawImage(img,0,0,this);
super.paintChildren(g);
}
};
f1=new JTextField(15);
f2=new JPasswordField(15);
b1=new JButton("登录");
b2=new JButton("重置");
p1.setBackground(Color.orange);
p2.add(l1);
p2.add(f1);
p2.setBorder(new MatteBorder(0,0,0,0,Color.BLACK));
p2.setBackground(Color.ORANGE);
p3.add(l2);
p3.add(f2);
p3.setBackground(Color.ORANGE);
p3.setBorder(new MatteBorder(0,0,0,0,Color.BLACK));
p4.add(b1);
p4.add(b2);
p4.setBorder(new MatteBorder(-3,-3,-3,-3,Color.CYAN));
p4.setBackground(Color.ORANGE);
p5.setLayout(new FlowLayout(FlowLayout.CENTER,20,20));
p5.add(p2);
p5.add(p3);
p5.add(p4);
cp.add(p5,BorderLayout.CENTER);
b1.addActionListener(new Enter());
b2.addActionListener(new ReWrite());
addWindowListener(new winClose());
}
public static void main(String[] args) {
LoginIn log=new LoginIn();
log.setTitle("系统登录");
log.setSize(360,250);
log.setVisible(true);
}
class Enter implements ActionListener{
public void actionPerformed(ActionEvent e)
{
if((f1.getText()).equals("admin")(f2.getText()).equals("123"))
{
JOptionPane.showMessageDialog(null, "登录成功！用户权限是adimistrator");
power="adminstrator";
}
else if((f1.getText()).equals("snake")(f2.getText()).equals("123456"))
{
JOptionPane.showMessageDialog(null, "登录成功!登录成功！用户权限是user");
power="adminstrator";
}
else JOptionPane.showMessageDialog(null, "登录失败，请重新登录！");
}
}
class ReWrite implements ActionListener{
public void actionPerformed(ActionEvent e)
{
f1.setText("");
f2.setText("");
f1.requestFocus();
}
}
class winClose extends WindowAdapter
{
public void windowClosing(WindowEvent e)
{
(e.getWindow()).dispose();
System.exit(0);
}
}
}
用java写一个登录界面的代码，哪位大神会啊，谢谢。
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class Test26 {
public static void main(String[] args) {
final String userName = "abc";
final String passwrod = "123";
JFrame jFrame = new JFrame("登陆界面");
Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
jFrame.setBounds(((int)dimension.getWidth() - 200) / 2, ((int)dimension.getHeight() - 300) / 2, 200, 150);
jFrame.setResizable(false);
jFrame.setLayout(null);
jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JLabel label1 = new JLabel("姓名");
label1.setBounds(10, 10, 100, 30);
jFrame.add(label1);
JLabel label2 = new JLabel("密码");
label2.setBounds(10, 40, 100, 30);
jFrame.add(label2);
final JTextField text1 = new JTextField();
text1.setBounds(50, 15, 130, 20);
jFrame.add(text1);
final JPasswordField text2 = new JPasswordField();
text2.setBounds(50, 45, 130, 20);
jFrame.add(text2);
JButton button = new JButton("Login");
button.setBounds(10, 75, 170, 40);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(userName.equals(text1.getText()) passwrod.equals(text2.getText())) {
JOptionPane.showMessageDialog(null, "登陆成功误", "提示", JOptionPane.INFORMATION_MESSAGE);
} else {
JOptionPane.showMessageDialog(null, "错误", "提示", JOptionPane.ERROR_MESSAGE);
text1.setText("");
text2.setText("");
}
}
});
jFrame.add(button);
jFrame.setVisible(true);
}
}
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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);
}
}
文章标题：权限登录界面java代码,权限登录界面java代码错误
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