java中登录按钮代码 java中登录按钮代码是什么

用Java设计一个登录页面 , 不用连接数据库,只要把用户和密码信息存放在文本里面,怎样设计代码???/* Main.java
*
* Created on __DATE__, __TIME__
*/
import javax.swing.JOptionPane;
/**
【java中登录按钮代码 java中登录按钮代码是什么】 *
* @author__USER__
*/
public class Main extends javax.swing.JFrame {
/** Creates new form Main */
public Main() {
initComponents();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
//GEN-BEGIN:initComponents
// editor-fold defaultstate="collapsed" desc="Generated Code"
private void initComponents() {
jPanel1 = new javax.swing.JPanel();//标签
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jButton1 = new javax.swing.JButton();//登录按钮
jButton2 = new javax.swing.JButton();//
jTextField1 = new javax.swing.JTextField();//文本框
jTextField2 = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);//关闭时的操作 , 即退出程序
setTitle("登录界面");//设置标题:欢迎使用股票管理系统
setResizable(false);//设置窗口不可调节大小
jLabel1.setFont(new java.awt.Font("微软雅黑", 0, 18));//设置标签的字体
jLabel1
.setText("您好,请输入信息");
jLabel2.setText("用户名");
jLabel3.setText("用户密码");
jButton1.setText("登录");
jButton1.addActionListener(new java.awt.event.ActionListener() {//采用匿名内部类来实现按钮监听功能
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("退出");
jButton2.addActionListener(new java.awt.event.ActionListener() {//同上
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(//层次布局管理器,下面n长的代码,就是设置位置 , 自己看吧,呵呵 , 这个必须的,就不多写了
jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout
.setHorizontalGroup(jPanel1Layout
.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
javax.swing.GroupLayout.Alignment.TRAILING,
jPanel1Layout.createSequentialGroup()
.addContainerGap(159, Short.MAX_VALUE)
.addComponent(jLabel1).addGap(140, 140,
140))
.addGroup(
jPanel1Layout
.createSequentialGroup()
.addGap(110, 110, 110)
.addGroup(
jPanel1Layout
.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2)
.addComponent(jLabel3))
.addGap(54, 54, 54)
.addGroup(
jPanel1Layout
.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
jPanel1Layout
.createSequentialGroup()
.addComponent(
jTextField2,
javax.swing.GroupLayout.DEFAULT_SIZE,
191,
Short.MAX_VALUE)
.addGap(
112,
112,
112))
.addGroup(
jPanel1Layout
.createSequentialGroup()
.addComponent(
jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE,
191,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())))
.addGroup(
jPanel1Layout
.createSequentialGroup()
.addGap(141, 141, 141)
.addComponent(
jButton1,
javax.swing.GroupLayout.PREFERRED_SIZE,
68,

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