panel.add(new JLabel("数据库类型："));
this.dbTypeComboBox = new JComboBox(new DbTypeComboBoxModel());
panel.add(this.dbTypeComboBox);
panel.add(new JLabel("驱动类名："));
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());