JAVA实现登录窗口2

package test;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Font;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class LoginListener implements ActionListener{
private javax.swing.JTextField text_name;
private javax.swing.JPasswordField text_password;
private javax.swing.JFrame login;

public LoginListener(javax.swing.JFrame login,javax.swing.JTextField text_name,javax.swing.JPasswordField text_password)
{//获取登录界面、账号密码输入框对象
this.login=login;
this.text_name=text_name;
this.text_password=text_password;
}

int i=3;//3次登录机会

public void actionPerformed(ActionEvent e)
{
Dimension dim2 = new Dimension(100,30);
Dimension dim3 = new Dimension(300,30);

//生成新界面
javax.swing.JFrame login2 = new javax.swing.JFrame();
login2.setSize(400,200);
login2.setDefaultCloseOperation(3);
login2.setLocationRelativeTo(null);
login2.setFont(new Font("宋体",Font.PLAIN,14)); //宋体，正常风格，14号字体
//创建组件
javax.swing.JPanel jp1 = new JPanel();
javax.swing.JPanel jp2 = new JPanel();

if(text_name.getText().equals("vv") && text_password.getText().equals("123456"))
{
JLabel message = new JLabel("登陆成功！");
message.setFont(new Font("宋体",Font.PLAIN,14)); //宋体，正常风格，14号字体
message.setPreferredSize(dim3);
jp1.add(message);
login2.add(jp1,BorderLayout.CENTER);

login2.setResizable(false);
login2.setVisible(true);

//通过我们获取的登录界面对象，用dispose方法关闭它
login.dispose();
}

else if(i>=2)
{
JLabel message = new JLabel("账号或密码错误,您今天还有"+(i-1)+"次机会");
message.setFont(new Font("宋体",Font.PLAIN,14)); //宋体，正常风格，14号字体
message.setPreferredSize(dim3);
//将textName标签添加到窗体上
jp1.add(message);
login2.add(jp1,BorderLayout.CENTER);

JButton close = new JButton("确定");
close.setFont(new Font("宋体",Font.PLAIN,14));
//设置按键大小
close.setSize(dim3);
jp2.add(close);
login2.add(jp2,BorderLayout.SOUTH);

i--;//次数减少
close.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
login2.dispose();
}
});

login2.setResizable(false);
login2.setVisible(true);
}

else if(i == 1)
{
JLabel message = new JLabel("账号已锁定，请明天再试");
message.setFont(new Font("宋体",Font.PLAIN,14)); //宋体，正常风格，14号字体
message.setPreferredSize(dim3);
//将textName标签添加到窗体上
jp1.add(message);
login2.add(jp1,BorderLayout.CENTER);

JButton close = new JButton("确定");
close.setFont(new Font("宋体",Font.PLAIN,14));
//设置按键大小
close.setSize(dim3);
jp2.add(close);
login2.add(jp2,BorderLayout.SOUTH);

close.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
login2.dispose();
}
});

login2.setResizable(false);
login2.setVisible(true);

//通过我们获取的登录界面对象，用dispose方法关闭它
login.dispose();
}
}
}