小小工具箱-（备忘录，日历，倒计时）（java源代码）

package com.herim.java.contacts; import java.awt.Color; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.SQLException; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.border.EmptyBorder; /** * 修改联系人信息 * @author Herim * */ public class modifyContactorWindow extends JFrame implements ActionListener { private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField nameField; private JTextField genderField; private JTextField ageField; private JTextField phoneField; private JTextField emailField; private JLabel msgLable; private JButton addButton; private JButton cancelButton; private Contactor contactor; /** * Launch the application. */ /* public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); new modifyContactorWindow(null); } catch (Exception e) { e.printStackTrace(); } } }); }*/ /** * Create the frame. */ public modifyContactorWindow(Contactor contactor) { setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); setBounds(100, 100, 243, 297); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); GridBagLayout gbl_contentPane = new GridBagLayout(); gbl_contentPane.columnWidths = new int[]{0, 0, 0, 0, 0}; gbl_contentPane.rowHeights = new int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; gbl_contentPane.columnWeights = new double[]{0.0, 0.0, 0.0, 1.0, Double.MIN_VALUE}; gbl_contentPane.rowWeights = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE}; contentPane.setLayout(gbl_contentPane); msgLable = new JLabel(" "); msgLable.setForeground(Color.RED); GridBagConstraints gbc_msgLable = new GridBagConstraints(); gbc_msgLable.gridwidth = 4; gbc_msgLable.insets = new Insets(0, 0, 5, 5); gbc_msgLable.gridx = 0; gbc_msgLable.gridy = 1; contentPane.add(msgLable, gbc_msgLable); JLabel nameLabel = new JLabel("Name"); GridBagConstraints gbc_nameLabel = new GridBagConstraints(); gbc_nameLabel.gridwidth = 2; gbc_nameLabel.insets = new Insets(0, 0, 5, 5); gbc_nameLabel.gridx = 0; gbc_nameLabel.gridy = 2; contentPane.add(nameLabel, gbc_nameLabel); nameField = new JTextField(); GridBagConstraints gbc_nameField = new GridBagConstraints(); gbc_nameField.gridwidth = 2; gbc_nameField.insets = new Insets(0, 0, 5, 0); gbc_nameField.fill = GridBagConstraints.HORIZONTAL; gbc_nameField.gridx = 2; gbc_nameField.gridy = 2; contentPane.add(nameField, gbc_nameField); nameField.setColumns(10); JLabel genderLabel = new JLabel("Sex"); GridBagConstraints gbc_genderLabel = new GridBagConstraints(); gbc_genderLabel.gridwidth = 2; gbc_genderLabel.insets = new Insets(0, 0, 5, 5); gbc_genderLabel.gridx = 0; gbc_genderLabel.gridy = 3; contentPane.add(genderLabel, gbc_genderLabel); genderField = new JTextField(); GridBagConstraints gbc_genderField = new GridBagConstraints(); gbc_genderField.fill = GridBagConstraints.HORIZONTAL; gbc_genderField.gridwidth = 2; gbc_genderField.insets = new Insets(0, 0, 5, 0); gbc_genderField.gridx = 2; gbc_genderField.gridy = 3; contentPane.add(genderField, gbc_genderField); genderField.setColumns(10); JLabel ageLabel = new JLabel("Age"); GridBagConstraints gbc_ageLabel = new GridBagConstraints(); gbc_ageLabel.gridwidth = 2; gbc_ageLabel.insets = new Insets(0, 0, 5, 5); gbc_ageLabel.gridx = 0; gbc_ageLabel.gridy = 4; contentPane.add(ageLabel, gbc_ageLabel); ageField = new JTextField(); GridBagConstraints gbc_ageField = new GridBagConstraints(); gbc_ageField.gridwidth = 2; gbc_ageField.insets = new Insets(0, 0, 5, 0); gbc_ageField.fill = GridBagConstraints.HORIZONTAL; gbc_ageField.gridx = 2; gbc_ageField.gridy = 4; contentPane.add(ageField, gbc_ageField); ageField.setColumns(10); JLabel phoneLabel = new JLabel("Phone"); GridBagConstraints gbc_phoneLabel = new GridBagConstraints(); gbc_phoneLabel.gridwidth = 2; gbc_phoneLabel.insets = new Insets(0, 0, 5, 5); gbc_phoneLabel.gridx = 0; gbc_phoneLabel.gridy = 5; contentPane.add(phoneLabel, gbc_phoneLabel); phoneField = new JTextField(); GridBagConstraints gbc_phoneField = new GridBagConstraints(); gbc_phoneField.gridwidth = 2; gbc_phoneField.insets = new Insets(0, 0, 5, 0); gbc_phoneField.fill = GridBagConstraints.HORIZONTAL; gbc_phoneField.gridx = 2; gbc_phoneField.gridy = 5; contentPane.add(phoneField, gbc_phoneField); phoneField.setColumns(10); JLabel emailLabel = new JLabel("Email"); GridBagConstraints gbc_emailLabel = new GridBagConstraints(); gbc_emailLabel.gridwidth = 2; gbc_emailLabel.insets = new Insets(0, 0, 5, 5); gbc_emailLabel.gridx = 0; gbc_emailLabel.gridy = 6; contentPane.add(emailLabel, gbc_emailLabel); emailField = new JTextField(); GridBagConstraints gbc_emailField = new GridBagConstraints(); gbc_emailField.gridwidth = 2; gbc_emailField.insets = new Insets(0, 0, 5, 0); gbc_emailField.fill = GridBagConstraints.HORIZONTAL; gbc_emailField.gridx = 2; gbc_emailField.gridy = 6; contentPane.add(emailField, gbc_emailField); emailField.setColumns(10); addButton = new JButton("OK"); addButton.setSize(50, 20); addButton.addActionListener(this); GridBagConstraints gbc_addButton = new GridBagConstraints(); gbc_addButton.weightx = 0.5; gbc_addButton.anchor = GridBagConstraints.EAST; gbc_addButton.ipadx = 20; gbc_addButton.gridwidth = 3; gbc_addButton.gridx = 0; gbc_addButton.gridy = 8; contentPane.add(addButton, gbc_addButton); cancelButton = new JButton("CANCEL"); cancelButton.addActionListener(this); GridBagConstraints gbc_cancelButton = new GridBagConstraints(); gbc_cancelButton.gridx = 3; gbc_cancelButton.gridy = 8; contentPane.add(cancelButton, gbc_cancelButton); this.setVisible(true); //初始化数据 this.contactor = contactor; //初始化表格 if(contactor == null) { return; } nameField.setText(contactor.getName()); genderField.setText(contactor.getGender()); ageField.setText(String.valueOf(contactor.getAge())); phoneField.setText(contactor.getPhone()); emailField.setText(contactor.getEmail()); } /** * 监听事件 */ @Override public void actionPerformed(ActionEvent e) { Pattern pattern = null; Matcher matcher = null; //点击ok按钮 if(e.getSource() == addButton) { //姓名不能为空 if("".equals(nameField.getText())) { msgLable.setText("Name can't be empty!"); return; } //性别不能为空 if("".equals(genderField.getText())) { msgLable.setText("Sex can't be empty!"); return; } //电话不能为空 if("".equals(phoneField.getText())) { msgLable.setText("Phone can't be empty!"); return; } //性别只能是男或女 if(!"男".equals(genderField.getText()) && !"女".equals(genderField.getText())) { msgLable.setText("Sex is illegal!"); return; } try { if(!"".equals(ageField.getText())) { if(Integer.parseInt(ageField.getText()) <=0 || Integer.parseInt(ageField.getText()) >=150) { msgLable.setText("Age is illegal!"); return; } } } catch (NumberFormatException e1) { msgLable.setText("Age is illegal!"); return; } /