import javax.swing.DefaultComboBoxModel; import javax.swing.JComboBox; public class B { public static void main(String[] args) { User u1 = new User(); User u2 = new User(); DefaultComboBoxModel model = new DefaultComboBoxModel(); JComboBox jcb = new JComboBox(model); //添加 model.addElement(u1); model.addElement(u2);
// 获取 User u = (User)jcb.getSelectedItem(); } }class User { String value; String key;
import javax.swing.JComboBox;
public class B {
public static void main(String[] args) {
User u1 = new User();
User u2 = new User();
DefaultComboBoxModel model = new DefaultComboBoxModel();
JComboBox jcb = new JComboBox(model);
//添加
model.addElement(u1);
model.addElement(u2);
// 获取
User u = (User)jcb.getSelectedItem();
}
}class User {
String value;
String key;
/**
* {@inheritDoc}
* @see java.lang.Object#toString()
*/
public String toString() {
return value;
}
}