地址簿（AddressBook）小程序

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author HLC */ import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.io.*; import java.io.File; import java.io.FileWriter; import java.io.IOException; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextField; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import java.util.Collections; class PersonInfoList extends JFrame implements ActionListener, ListSelectionListener { private static final long serialVersionUID = 1264438906669937392L;// 这些是电脑自己生成的我不懂 public String message[][] = new String[100][5]; //static String message1[][] = new String[100][5]; // public String stringarray[][];s // stringarray=new String[100][5] static int count = 0; JButton addB; JButton deleteB; JButton searchB; JButton bckB; JButton exitB; JButton editB; JButton saveB; JButton clearB; DefaultListModel text; JList list; JTextField firstNameJtf; JTextField lastNameJtf; JTextField addressJtf; JTextField zipJtf; JTextField phoneNumberJtf; JLabel firstNameLb; JLabel lastNameLb; JLabel addressLb; JLabel zipLb; JLabel phoneNoLb; public PersonInfoList() { super("AddressBook"); // message=new String[100][5]; // stringarray=new String[100][5]; text = new DefaultListModel(); list = new JList(text); list.setVisibleRowCount(14); list.addListSelectionListener(this); addB = new JButton("Add"); addB.addActionListener(this); deleteB = new JButton("Delete"); deleteB.addActionListener(this); searchB = new JButton("Search"); searchB.addActionListener(this); bckB = new JButton("Backup"); bckB.addActionListener(this); editB=new JButton("Edit"); editB.addActionListener(this); saveB=new JButton("Save"); saveB.addActionListener(this); saveB.setEnabled(false); clearB = new JButton("Clear"); clearB.addActionListener(this); exitB = new JButton("Exit"); exitB.addActionListener(this); firstNameJtf = new JTextField(10); firstNameLb = new JLabel("First Name:"); lastNameJtf = new JTextField(10); lastNameLb = new JLabel("Last Name:"); addressJtf = new JTextField(10); addressLb = new JLabel("Address:"); zipJtf = new JTextField(10); zipLb = new JLabel("Zip Code:"); phoneNumberJtf = new JTextField(20); phoneNoLb = new JLabel("Phone No.:"); JPanel panela = new JPanel(); JPanel panelb = new JPanel(); panela.add(new JScrollPane(list)); panelb.add(firstNameLb); panelb.add(firstNameJtf); panelb.add(lastNameLb); panelb.add(lastNameJtf); panelb.add(addressLb); panelb.add(addressJtf); panelb.add(zipLb); panelb.add(zipJtf); panelb.add(phoneNoLb); panelb.add(phoneNumberJtf); panelb.add(addB); panelb.add(deleteB); panelb.add(searchB); panelb.add(bckB); panelb.add(editB); panelb.add(saveB); panelb.add(clearB); panelb.add(exitB); panelb.setLayout(new GridLayout(9, 1)); add(panela, BorderLayout.WEST); add(panelb, BorderLayout.EAST); setVisible(true); setResizable(false); pack(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); if (cmd.equals("Add")) { message[count][0] = firstNameJtf.getText(); message[count][1] = lastNameJtf.getText(); message[count][2] = addressJtf.getText(); message[count][3] = zipJtf.getText(); message[count][4] = phoneNumberJtf.getText(); try { String filename1 = "AddressBook.txt"; FileWriter writer = new FileWriter(filename1, true); writer.write("Last Name:" + message[count][1] + " First Name：" + message[count][0] + " \t Address:" + message[count][2] + " \tZipcode:" + message[count][3] + " \tPhone Number:" + message[count][4]); writer.close(); } catch (IOException e1) { e1.printStackTrace(); } String info = "Last Name:" + message[count][1] + " \tFirst Name：" + message[count][0] + " \t Address:" + message[count][2] + " \tZipcode:" + message[count][3] + " \tPhone Number:" + message[count][4]; text.addElement(info); //Collections.s.sort(text); //list.updateUI(); count++; firstNameJtf.setText(""); lastNameJtf.setText(""); addressJtf.setText(""); zipJtf.setText(""); phoneNumberJtf.setText(""); } if (cmd.equals("Delete")) { if (!list.isSelectionEmpty()) text.removeElementAt(list.getSelectedIndex()); } if (cmd.equals("Search")) { boolean exist=false; for (int i = 0; i <= count; i++) { if (firstNameJtf.getText().equals(message[i][0]) && lastNameJtf.getText().equals(message[i][1])) { firstNameJtf.setText(message[i][0]); lastNameJtf.setText(message[i][1]); addressJtf.setText(message[i][2]); zipJtf.setText(message[i][3]); phoneNumberJtf.setText(message[i][4]); exist = true; } } if (exist == false){ JOptionPane.showMessageDialog(this, "Did not exist, please input again!", "Warning", JOptionPane.WARNING_MESSAGE); } } if (cmd.equals("Backup")){ File fileOld = new File("AddressBook.txt"); File fileNew = new File("AddressBookbak.txt"); if(fileOld.exists()){ try { FileInputStream fis = new FileInputStream(fileOld); FileOutputStream fos = new FileOutputStream(fileNew); int read = 0; while ((read = fis.read()) != -1) { fos.write(read); fos.flush(); } fos.close(); fis.close(); } catch (FileNotFoundException e1) { e1.printStackTrace(); } catch (IOException e1) { e1.printStackTrace(); } } } if (cmd.equals("Edit")){ int j; for(j=0;j<count;j++){ if( list.isSelectedIndex(j)){ firstNameJtf.setText(message[j][0]); lastNameJtf.setText(message[j][1]); addressJtf.setText(message[j][2]); zipJtf.setText(message[j][3]); phoneNumberJtf.setText(message[j][4]); firstNameJtf.setEditable(false); lastNameJtf.setEditable(false); saveB.setEnabled(true); } } } if (cmd.equals("Save")) { int n=JOptionPane.showConfirmDialog(null, "Are you sure to edit?", "Attention:", JOptionPane.OK_CANCEL_OPTION); if(n==JOptionPane.YES_OPTION){ int k; for(k=0;k<count;k++){