loingframe.java

jBuilder编写的用户登陆和注册验证小程序 不含数据库

package loginprj;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.*;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JButton;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class LoingFrame extends JFrame {
    JPanel contentPane;
    JTextField txtName = new JTextField();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JPasswordField txtpwd = new JPasswordField();
    JButton jButton1 = new JButton();
    JButton jButton2 = new JButton();
    JButton jButton3 = new JButton();
    JLabel jLabel3 = new JLabel();
    public LoingFrame() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(400, 300));
        setTitle("登陆");
        txtName.setBounds(new Rectangle(136, 78, 187, 33));
        jLabel1.setText("用户名");
        jLabel1.setBounds(new Rectangle(34, 79, 93, 34));
        jLabel2.setText("密码");
        jLabel2.setBounds(new Rectangle(33, 165, 71, 24));
        txtpwd.setBounds(new Rectangle(133, 156, 188, 29));
        jButton1.setBounds(new Rectangle(46, 231, 88, 32));
        jButton1.setText("登陆");
        jButton1.addActionListener(new LoingFrame_jButton1_actionAdapter(this));
        jButton2.setBounds(new Rectangle(158, 230, 88, 32));
        jButton2.setText("注册");
        jButton2.addActionListener(new LoingFrame_jButton2_actionAdapter(this));
        jButton3.setBounds(new Rectangle(265, 230, 88, 32));
        jButton3.setText("取消");
        jLabel3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
        jLabel3.setForeground(Color.red);
        jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel3.setBounds(new Rectangle(113, 24, 214, 38));
        contentPane.add(txtName);
        contentPane.add(jLabel1);
        contentPane.add(txtpwd);
        contentPane.add(jLabel2);
        contentPane.add(jButton2);
        contentPane.add(jButton3);
        contentPane.add(jButton1);
        contentPane.add(jLabel3);
    }
//登陆按钮的事件
    public void jButton1_actionPerformed(ActionEvent e)
    {
        String getname = txtName.getText();
        String getpwd = txtpwd.getText();
        DBHelper dbh = new   DBHelper();
        boolean f =dbh.yanzheng(getname,getpwd);
        if(f)
        {
            jLabel3.setText("登陆成功");
        }
        else
        {
            jLabel3.setText("登陆失败");
        }


    }
//弹出注册窗口
    public void jButton2_actionPerformed(ActionEvent e)
    {
        //先得到注册窗口的对象
        RegisterFrame rf = new RegisterFrame();
        rf.setSize(450,500);
        rf.setLocation(400,300);
        rf.setVisible(true);
    }
}


class LoingFrame_jButton2_actionAdapter implements ActionListener {
    private LoingFrame adaptee;
    LoingFrame_jButton2_actionAdapter(LoingFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}


class LoingFrame_jButton1_actionAdapter implements ActionListener {
    private LoingFrame adaptee;
    LoingFrame_jButton1_actionAdapter(LoingFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton1_actionPerformed(e);
    }
}