下拉框,列表框

package lesson06;

import javax.swing.*;
import java.awt.*;

public class TestComboboxDemo01 extends JFrame{

    public TestComboboxDemo01() {
        Container container=this.getContentPane();
        JComboBox<Object> status = new JComboBox();
        status.addItem(null);
        status.addItem("正在上映");
        status.addItem("已下架");
        status.addItem("即将上映");

        container.add(status);
//        status.addActionListener();




        this.setVisible(true);
        this.setSize(500,350);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
new TestComboboxDemo01();
    }
}

---

package lesson06;

import javax.swing.*;
import java.awt.*;
import java.util.Vector;

public class TestComboboxDemo02 extends JFrame {

    public TestComboboxDemo02() {
        Container container=this.getContentPane();
        //生成列表的内容
        //String[] contents={"1","2","3"};

        Vector contents=new Vector();
        //列表中需要放入内容
        JList jList=new JList(contents);

        contents.add("zhangsan");
        contents.add("lisi");
        contents.add("wangwu");
        container.add(jList);



        this.setVisible(true);
        this.setSize(500,350);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new TestComboboxDemo02();
    }
}