java編寫一個登陸和注冊信息的源代碼,最簡單的就可以,不需要數(shù)據(jù)庫的那種

你這個不用數(shù)據(jù)庫真的是有點難搞

創(chuàng)新互聯(lián)憑借在網(wǎng)站建設(shè)、網(wǎng)站推廣領(lǐng)域領(lǐng)先的技術(shù)能力和多年的行業(yè)經(jīng)驗，為客戶提供超值的營銷型網(wǎng)站建設(shè)服務(wù)，我們始終認為：好的營銷型網(wǎng)站就是好的業(yè)務(wù)員。我們已成功為企業(yè)單位、個人等客戶提供了成都網(wǎng)站建設(shè)、網(wǎng)站制作服務(wù)，以良好的商業(yè)信譽，完善的服務(wù)及深厚的技術(shù)力量處于同行領(lǐng)先地位。

我寫了個用集合存儲的，你看看，能否幫上你

java.util.ListString?list?=?new?ArrayListString();

list.add("qq=123");//存儲的時候用（用戶名=密碼）的形式

list.add("ww=456");

String?username?=?"qq";

String?password?=?"123";

for?(int?i?=?0;?i??list.size();?i++)?{

String?num?=?username?+"="+password;

if(num.equals(list.get(i))){

System.out.println("登錄成功");

break;

}

}

用Java編寫注冊登錄程序

什么都不說了 直接給你代碼吧

package com.moliying.ui;

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.FlowLayout;

import java.awt.List;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedWriter;

import java.io.FileOutputStream;

import java.io.OutputStreamWriter;

import java.util.ArrayList;

import java.util.Arrays;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JTextField;

public class Login {

private JFrame frame = new JFrame("登錄");

private Container c = frame.getContentPane();

private JTextField username = new JTextField();

private JPasswordField password = new JPasswordField();

private JButton ok = new JButton("確定");

private JButton cancel = new JButton("取消");

public Login() {

frame.setSize(300, 200);

frame.setBounds(450, 300, 300, 200);

c.setLayout(new BorderLayout());

initFrame();

frame.setVisible(true);

}

private void initFrame() {

// 頂部

JPanel titlePanel = new JPanel();

titlePanel.setLayout(new FlowLayout());

titlePanel.add(new JLabel("系統(tǒng)管理員登錄"));

c.add(titlePanel, "North");

// 中部表單

JPanel fieldPanel = new JPanel();

fieldPanel.setLayout(null);

JLabel a1 = new JLabel("用戶名:");

a1.setBounds(50, 20, 50, 20);

JLabel a2 = new JLabel("密 碼:");

a2.setBounds(50, 60, 50, 20);

fieldPanel.add(a1);

fieldPanel.add(a2);

username.setBounds(110, 20, 120, 20);

password.setBounds(110, 60, 120, 20);

fieldPanel.add(username);

fieldPanel.add(password);

c.add(fieldPanel, "Center");

// 底部按鈕

JPanel buttonPanel = new JPanel();

buttonPanel.setLayout(new FlowLayout());

buttonPanel.add(ok);

buttonPanel.add(cancel);

c.add(buttonPanel, "South");

ok.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println(username.getText().toString());

}

});

cancel.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

frame.setVisible(false);

}

});

}

public static void main(String[] args) {

// new Login();

String ss = "abbabbbaabbbccba";

System.out.println(ss.split("b").length);

}

}

登陸界面的java代碼怎么寫？

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.sql.*;

class LoginFrm extends JFrame implements ActionListener

{

JLabel lbl1=new JLabel("用戶名");

JLabel lbl2=new JLabel("密碼");

JTextField txt=new JTextField(15);

JPasswordField pf=new JPasswordField();

JButton btn1=new JButton("確定");

JButton btn2=new JButton("取消");

public LoginFrm()

{

this.setTitle("登陸");

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,"登陸成功！");

}

else

JOptionPane.showMessageDialog(null,"用戶名或密碼錯誤！");

} 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);

}

}