import java.awt.*;
import javax.swing.*;
public class TestComboboxDemo01 extends JFrame {
public TestComboboxDemo01() {
Container container = this.getContentPane();
JComboBox status = new JComboBox();
status.addItem(null);
status.addItem("正在热映");
status.addItem("已下架");
status.addItem("即将上映");
container.add(status);
this.setVisible(true);
this.setBounds(100,100,500,350);
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new TestComboboxDemo01();
}
}
(1)为了美观,将下拉框放到一个面板里面
(2)可使用监听事件,获取选中的值。
status.addActionListener();
import java.awt.*;
import javax.swing.*;
import java.util.Vector;
public class TestComboboxDemo02 extends JFrame {
public TestComboboxDemo02() {
Container container = this.getContentPane();
//生成列表的内容
Vector contents = new Vector();
//列表中需要放入内容
JList jList = new JList(contents);
contents.add("客户端(1)");
contents.add("客户端(2)");
contents.add("客户端(3)");
container.add(jList);
this.setVisible(true);
this.setBounds(100,100,500,350);
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new TestComboboxDemo02();
}
}
放入静态或动态数据均可
原文:https://www.cnblogs.com/StevenPark/p/14724278.html