javagui组件_JAVAGUI界面组件学习

这周主要练习了GUI界面组件&＃xff0c;设计了一个登陆界面&＃xff0c;整体运用BorderLayout界面&＃xff0c;将界面分为上、中、下&＃xff0c;又将中间部分分为三层&＃xff0c;运用了组合框来记录登陆ID&＃xff0c;添加了复选框完善程序&＃xff0c;基本实现了登陆界面的操作&＃xff0c;需要进一步学习IO流让自己的程序可以添加登陆记录。以下是我的程序源代码(注&＃xff1a;考虑到是登陆界面所以界面大小固定)。

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JTextField;

public class loginframe extends JFrame{

String number[]&＃61;{"2014330111","2014330112","2014330113","2014330114","2014330115","2014330116","2014330117"};

private JComboBox combo;

private JPasswordField passField;

public loginframe(){

this.setTitle("登录界面");

this.setSize(250, 180);

this.setResizable(false);

this.setLocationRelativeTo(this);

this.setDefaultCloseOperation(EXIT_ON_CLOSE);

this.setContentPane(createContentPanel());

}

private JPanel createContentPanel(){

JPanel panel&＃61;new JPanel(new BorderLayout());

panel.add(BorderLayout.NORTH,createNPanel());

panel.add(BorderLayout.CENTER,createCeterPanel());

panel.add(BorderLayout.SOUTH,createSPanel());

return panel;

}

private JPanel createNPanel(){

JPanel panel&＃61;new JPanel();

panel.add(new JLabel("登陆系统"),JLabel.CENTER);

return panel;

}

private JPanel createCeterPanel(){

JPanel panel&＃61;new JPanel(new BorderLayout());

panel.add(BorderLayout.NORTH,createIDPassPanel());

panel.add(BorderLayout.SOUTH,createOptionsPanel());

return panel;

}

private JPanel createOptionsPanel() {

JPanel panel&＃61;new JPanel();

JCheckBox box1&＃61;new JCheckBox("记住密码");

JCheckBox box2&＃61;new JCheckBox("自动登录");

panel.add(box1);

panel.add(box2);

return panel;

}

private JPanel createIDPassPanel(){

JPanel panel&＃61;new JPanel(new GridLayout(2,1));

panel.add(createIDPanel());

panel.add(createPassPanel());

return panel;

}

private JPanel createPassPanel(){

JPanel panel&＃61;new JPanel(new BorderLayout());

JLabel label&＃61;new JLabel("密码&＃xff1a;");

passField&＃61;new JPasswordField(10);

panel.add(BorderLayout.WEST,label);

panel.add(BorderLayout.CENTER,passField);

return panel;

}

private JPanel createIDPanel(){

JPanel panel&＃61;new JPanel(new BorderLayout());

JLabel label&＃61;new JLabel("账号&＃xff1a;");

combo&＃61;new JComboBox(number);

combo.addActionListener(new ActionListener() {

&＃64;Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

}

});

panel.add(BorderLayout.WEST,label);

panel.add(BorderLayout.CENTER,combo);

return panel;

}

private JPanel createSPanel(){

JPanel panel&＃61;new JPanel();

JButton loginBtn&＃61;new JButton("登陆");

loginBtn.addActionListener(new ActionListener() {

&＃64;Override

public void actionPerformed(ActionEvent arg0) {

if(JOptionPane.YES_OPTION&＃61;&＃61;JOptionPane.showConfirmDialog(null,"确认要登陆吗&＃xff1f;")){

System.exit(0);}

}});

JButton cancelBtn&＃61;new JButton("取消");

panel.add(loginBtn);

panel.add(cancelBtn);

cancelBtn.addActionListener(new ActionListener() {

&＃64;Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

if(JOptionPane.YES_OPTION&＃61;&＃61;JOptionPane.showConfirmDialog(null,"确认要退出吗&＃xff1f;")){

System.exit(0);}

}

});

return panel;

}

public static void main(String[] args) {

// TODO Auto-generated method stub

new loginframe().setVisible(true);

}

}