Address Book.zip

import javax.swing.*; import java.awt.*; import java.awt.event.ActionListener; /** * @author Michael * @version 2020/11/3 16:37 */ class Default { static int MAX_LENGTH = 100; static int order = 0; static int selectedOrder = 0; } class Contacts { String name = "", num = ""; boolean sex; protected void setContacts (String name, String num, boolean sex) { this.name = name; this.num = num; this.sex = sex; // if "male" ture; else false; } public String getName() { return name; } public String getNum() { return num; } public int getSex() { if (this.name.equals("")) { return -1; } return this.sex ? 1 : 0; } } public class AddressBook extends JFrame{ JScrollPane scrollPane; JButton[] contacts; JPanel p1, p2; JButton create, save, delete; JRadioButton male, female; JTextField name, num; ButtonGroup buttonGroup = new ButtonGroup(); Contacts[] cont = new Contacts[Default.MAX_LENGTH]; AddressBook() { Frame(); Panel_1(); Panel_2(); initPanel_2(); } private void Frame() { setResizable(false); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLayout(null); setSize(700, 400); setLocationRelativeTo(null); } private void Panel_1() { p1 = new JPanel(new FlowLayout()); initContacts(); setScrollPane(); scrollPane.setBounds(0, 0, 400, 365); } private void Panel_2() { p2 = new JPanel(new GridLayout(6, 1)); p2.setBounds(400, 0, 300, 400); add(p2); } private void initContacts() { contacts = new JButton[Default.MAX_LENGTH]; for (int i=0; i < contacts.length; i++) { contacts[i] = new JButton(); contacts[i].setPreferredSize(new Dimension(300,50)); // p1.add(contacts[i]); // contacts[i].setText("填入信息后点击右侧保存"); contacts[i].setVisible(false); contacts[i].addActionListener(buttonListener); contacts[i].setActionCommand("REVISE_AND_SAVE" + i); } } private void initPanel_2() { nameBox(); numBox(); initRButton(); button3Group(); } private void initRButton() { var panel = new JPanel(new FlowLayout(FlowLayout.CENTER)); male = new JRadioButton("男"); female = new JRadioButton("女"); male.setFont(new Font("宋体", Font.BOLD, 24)); female.setFont(new Font("宋体", Font.BOLD, 24)); buttonGroup.add(male); buttonGroup.add(female); panel.add(male); panel.add(female); p2.add(panel); } private void nameBox() { var panel = new JPanel(new FlowLayout(FlowLayout.LEFT)); var panel2 = new JPanel(new BorderLayout()); var nameLabel = new JLabel(); nameLabel.setText("姓名："); nameLabel.setFont(new Font("黑体", Font.BOLD, 24)); name = new JTextField(11); name.setFont(new Font("黑体", Font.PLAIN, 24)); panel.add(nameLabel); panel.add(name); p2.add(panel2); p2.add(panel); } private void numBox() { var panel = new JPanel(new FlowLayout(FlowLayout.LEFT)); var numLabel = new JLabel(); numLabel.setText("电话："); numLabel.setFont(new Font("黑体", Font.BOLD, 24)); num = new JTextField(11); num.setFont(new Font("黑体", Font.PLAIN, 24)); panel.add(numLabel); panel.add(num); p2.add(panel); } private void button3Group() { var panel = new JPanel(new FlowLayout(FlowLayout.CENTER)); create = new JButton(); save = new JButton(); delete = new JButton(); panel.add(create); panel.add(save); panel.add(delete); create.setText("新建联系人"); save.setText("保存"); delete.setText("删除"); create.addActionListener(listener); create.setActionCommand("CreateContact"); save.addActionListener(buttonListener); save.setActionCommand("SaveContact"); delete.addActionListener(listener); delete.setActionCommand("DELETE"); p2.add(panel); } private void setScrollPane() { scrollPane = new JScrollPane(p1, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); add(scrollPane); } void delete() { for(int i=Default.selectedOrder; i < Default.order-1;i++) { cont[i].name = cont[i + 1].name; cont[i].num = cont[i + 1].num; cont[i].sex = cont[i + 1].sex; contacts[i].setText(contacts[i+1].getText()); } Default.order -= 1; cont[Default.order].name = ""; cont[Default.order].num = ""; cont[Default.order].sex = true; contacts[Default.order].setVisible(false); // Default.order--; Default.selectedOrder--; } ActionListener listener = e -> { String command = e.getActionCommand(); for (JButton b : contacts) { b.setBackground(null); } if(command.equals("CreateContact")) { cont[Default.order] = new Contacts(); Default.selectedOrder = Default.order; p1.setPreferredSize(new Dimension(400, 55 * (Default.order + 1))); p1.add(contacts[Default.order]); contacts[Default.order].setText("填入信息后点击右侧保存"); contacts[Default.order].setVisible(true); scrollPane.getViewport().setViewPosition(new Point(0, p1.getHeight())); Default.order++; name.setText(null); num.setText(null); buttonGroup.clearSelection(); contacts[Default.selectedOrder].setBackground(Color.PINK); } if(command.equals("DELETE")) { // System.out.println("deleted"); delete(); name.setText(null); num.setText(null); buttonGroup.clearSelection(); } }; ActionListener buttonListener = e -> { String command = e.getActionCommand(); for (JButton b : contacts) { b.setBackground(null); } for(int i=0; i < Default.MAX_LENGTH; i++) { if (command.equals("REVISE_AND_SAVE" + i)) { contacts[i].setBackground(Color.PINK); Default.selectedOrder = i; name.setText(cont[i].getName()); num.setText(cont[i].getNum()); if (cont[i].getSex() == 1) { male.setSelected(true); } else if (cont[i].getSex() == 0){ female.setSelected(true); } else { buttonGroup.clearSelection(); } } } if (command.equals("SaveContact")) { contacts[Default.selectedOrder].setText(name.getText()); cont[Default.selectedOrder].setContacts(name.getText(), num.getText(), male.isSelected()); } }; }