loginframe.java

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/*
 * logInFrame.java
 *
 * Created on 2005年5月5日, 下午5:45
 */

/**
 *
 * @author  超级用户
 */
import java.lang.*;
import javax.swing.*;
public class logInFrame extends javax.swing.JFrame {
    
    private String username;
    private dataBase db;
    //private drawFrame df;
    private registerFrame rf;
    /** Creates new form logInFrame */
    public logInFrame() {
        initComponents();
        setSize(250, 160);
        //df=new drawFrame();
        rf=new registerFrame();
        //df.setVisible(false);
        rf.setVisible(false);
    }
    
    /** 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.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        tn = new javax.swing.JTextField();
        tp = new javax.swing.JPasswordField();
        bok = new javax.swing.JButton();
        bcencel = new javax.swing.JButton();
        bregister = new javax.swing.JButton();

        getContentPane().setLayout(null);

        setTitle("\u767b\u5f55");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        jLabel1.setText("\u7528\u6237\u540d");
        getContentPane().add(jLabel1);
        jLabel1.setBounds(60, 20, 38, 18);

        jLabel2.setText("\u5bc6\u7801");
        getContentPane().add(jLabel2);
        jLabel2.setBounds(60, 50, 25, 18);

        getContentPane().add(tn);
        tn.setBounds(110, 20, 70, 22);

        getContentPane().add(tp);
        tp.setBounds(110, 50, 70, 22);

        bok.setText("\u786e\u5b9a");
        bok.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bokActionPerformed(evt);
            }
        });

        getContentPane().add(bok);
        bok.setBounds(20, 90, 70, 28);

        bcencel.setText("\u53d6\u6d88");
        bcencel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bcencelActionPerformed(evt);
            }
        });

        getContentPane().add(bcencel);
        bcencel.setBounds(100, 90, 59, 28);

        bregister.setText("\u6ce8\u518c");
        bregister.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bregisterActionPerformed(evt);
            }
        });

        getContentPane().add(bregister);
        bregister.setBounds(170, 90, 59, 28);

        pack();
    }//GEN-END:initComponents

    private void bokActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_bokActionPerformed
        //请在此处增加您的处理代码：
        username=tn.getText();
        String password=tp.getText();
        db=new dataBase();
        if(db.checkExist(username)==false)
        {
            tn.setText("");
            tp.setText("");
            System.out.println("帐户不存在，请先注册");
            JOptionPane.showMessageDialog(this,"帐户不存在，请先注册");
            username="";
        }
        else
            if(db.checkPassword(username, password)!=0)
            {
                tn.setText("");
                tp.setText("");
                System.out.println("密码错！");
                JOptionPane.showMessageDialog(this,"密码错！");
                username="";
            }
            else
            {
                tn.setText("");
                tp.setText("");
                //登录成功！
                System.out.println("登录成功！");
                //df.setVisible(true);
                
            }
    }//GEN-LAST:event_bokActionPerformed

    private void bregisterActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_bregisterActionPerformed
        //请在此处增加您的处理代码：
        rf.setVisible(true);
    }//GEN-LAST:event_bregisterActionPerformed

    private void bcencelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_bcencelActionPerformed
        //请在此处增加您的处理代码：
        tn.setText("");
        tp.setText("");
    }//GEN-LAST:event_bcencelActionPerformed
    
    /** Exit the Application */
    private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
        setVisible(false);
    }//GEN-LAST:event_exitForm
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        new logInFrame().show();
    }
    
    public String getusername() {
        return username;
    }    
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton bcencel;
    private javax.swing.JButton bok;
    private javax.swing.JButton bregister;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JTextField tn;
    private javax.swing.JPasswordField tp;
    // 变量声明结束//GEN-END:variables
    
}