Java学习之路-GUI-类似表单界面

package GUI;

import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

public class PersonalInfoUI {


    public PersonalInfoUI() {

        JFrame jf = new JFrame("Personal Info");
        jf.setSize(250, 520);
        jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        jf.setLocationRelativeTo(null);
        jf.setResizable(false);

        JPanel jp = new JPanel(new FlowLayout());

        //姓名
        JLabel jLabel_Name = new JLabel();
        jLabel_Name.setText("Name: ");
        jLabel_Name.setFont(new Font(null, Font.PLAIN, 20));

        //性别
        JLabel jLabel_Gender = new JLabel();
        jLabel_Gender.setText("Gender: ");
        jLabel_Gender.setFont(new Font(null, Font.PLAIN, 18));

        //爱好
        JLabel jLabel_Hobby = new JLabel();
        jLabel_Hobby.setText("Hobby: ");
        jLabel_Hobby.setFont(new Font(null, Font.PLAIN, 18));

        //学历
        JLabel jLabel_Education = new JLabel();
        jLabel_Education.setText("Education: ");
        jLabel_Education.setFont(new Font(null, Font.PLAIN, 18));

        //简介
        JLabel jLabel_Introduction = new JLabel();
        jLabel_Introduction.setText("Introduction: ");
        jLabel_Introduction.setFont(new Font(null, Font.PLAIN, 18));

        //姓名输入
        JTextField jTextField_Name = new JTextField(10);
        jTextField_Name.setFont(new Font(null, Font.PLAIN, 18));

        //爱好输入
        JTextField jTextField_Hobby = new JTextField(15);
        jTextField_Hobby.setFont(new Font(null, Font.PLAIN, 18));
        jTextField_Hobby.setEnabled(false);     //设置默认不可编辑

        //性别 单选按钮
        JRadioButton jRadioButton_Gender_Male = new JRadioButton("Male");
        JRadioButton jRadioButton_Gender_Female = new JRadioButton("Female");

        //性别 按钮组, 将俩按钮加入
        ButtonGroup buttonGroup_Gender = new ButtonGroup();
        buttonGroup_Gender.add(jRadioButton_Gender_Male);
        buttonGroup_Gender.add(jRadioButton_Gender_Female);

        //性别 设置男性为选中
        jRadioButton_Gender_Male.setSelected(true);

        //爱好 设置多个爱好复选框
        JCheckBox jCheckBox_Hobby_Music = new JCheckBox("Music");
        JCheckBox jCheckBox_Hobby_Sports = new JCheckBox("Sports");
        JCheckBox jCheckBox_Hobby_Movies = new JCheckBox("Movies");
        JCheckBox jCheckBox_Hobby_Reading = new JCheckBox("Reading");
        JCheckBox jCheckBox_Hobby_Other = new JCheckBox("Other");

        //爱好 当Other被选中时允许编辑框编辑
        jCheckBox_Hobby_Other.addChangeListener(new ChangeListener() {
            @Override
            public void stateChanged(ChangeEvent changeEvent) {
                JCheckBox checkBox = (JCheckBox)changeEvent.getSource();
                if(checkBox.isSelected()){
                    jTextField_Hobby.setEnabled(true);
                }else{
                    jTextField_Hobby.setEnabled(false);
                }
            }
        });

        //学历 创建下拉列表条目
        String[] list_Education = new String[]{"Primary school","Junior high school","Senior high school","Undergraduate","Junior college"};

        //学历 创建下拉列表
        final JComboBox<String> jComboBox_Education = new JComboBox<String>(list_Education);

        //简介 文本区域
        final JTextArea jTextArea_Introduction = new JTextArea(9,15);
        jTextArea_Introduction.setLineWrap(true);
        jTextArea_Introduction.setFont(new Font(null, Font.PLAIN, 18));

        //简介 为文本区域添加滚动条, 并设置为永不可见
        JScrollPane jsp = new JScrollPane(jTextArea_Introduction);
        jsp.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);

        //确定按钮
        JButton post = new JButton("P O S T !");

        post.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent actionEvent) {
                System.out.println("Name is " + jTextField_Name.getText());
                System.out.println("Gender is " + (jRadioButton_Gender_Male.isSelected() == true ? "Male" : "Female"));
                System.out.println("Hobbies are " + (jCheckBox_Hobby_Music.isSelected() == true ? "Music " : "") +
                        (jCheckBox_Hobby_Sports.isSelected() == true ? "Sports " : "") +
                        (jCheckBox_Hobby_Movies.isSelected() == true ? "Movies " : "") +
                        (jCheckBox_Hobby_Reading.isSelected() == true ? "Reading " : "") +
                        (jCheckBox_Hobby_Other.isSelected() == true ? jTextField_Hobby.getText() : ""));
                System.out.println("Education is " + jComboBox_Education.getSelectedItem());
                System.out.println("Introduction is " + jTextArea_Introduction.getText());
            }
        });

        //依次将控件加入Panel
        jp.add(jLabel_Name);
        jp.add(jTextField_Name);

        jp.add(jLabel_Gender);
        jp.add(jRadioButton_Gender_Male);
        jp.add(jRadioButton_Gender_Female);

        jp.add(jLabel_Hobby);
        jp.add(jCheckBox_Hobby_Music);
        jp.add(jCheckBox_Hobby_Sports);
        jp.add(jCheckBox_Hobby_Movies);
        jp.add(jCheckBox_Hobby_Reading);
        jp.add(jCheckBox_Hobby_Other);
        jp.add(jTextField_Hobby);

        jp.add(jLabel_Education);
        jp.add(jComboBox_Education);

        jp.add(jLabel_Introduction);
        jp.add(jTextArea_Introduction);

        jp.add(post);

        jf.setContentPane(jp);
        jf.setVisible(true);

    }

    public static void main (String[] args){

        new PersonalInfoUI();

    }

}