this.driverClassNameComboBox = new JComboBox(new DriverClassNameComboBoxModel());
this.driverClassNameComboBox.setEditable(true);
panel.add(this.driverClassNameComboBox);
panel.add(new JLabel("URL："));
this.urlComboBox = new JComboBox(new ConnectionStringComboBoxModel());
panel.add(this.urlComboBox);
panel.add(new JLabel("用户名："));
this.userNameField = new JTextField();
panel.add(this.userNameField);