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!

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();

}

}

相关问答

Q1: 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);

}

}

}

Q2: 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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Q3: 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);

}

}