JList简单问题,在线放分!!! 我的jlist是用jlist.setlistdata初始化的 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我这里有个例子,可以满足你的要求。import javax.swing.*;import javax.swing.event.*;import java.awt.*;import java.awt.event.*;import javax.swing.border.*;public class List1 extends JApplet { String[] flavors = { "Chocolate", "Strawberry", "Vanilla Fudge Swirl", "Mint Chip", "Mocha Almond Fudge", "Rum Raisin", "Praline Cream", "Mud Pie" }; DefaultListModel lItems1=new DefaultListModel(); DefaultListModel lItems2=new DefaultListModel(); JList list1 = new JList(lItems1); JList list2=new JList(lItems2); JButton b = new JButton("Add Item"); ActionListener bl = new ActionListener() { public void actionPerformed(ActionEvent e) { if(!list1.isSelectionEmpty()) { Object[] allSelected = list1.getSelectedValues(); for(int i = 0; i < allSelected.length; i++) { lItems2.addElement((String)allSelected[i]); lItems1.removeElement(allSelected[i]); } } } }; public void init() { Container cp = getContentPane(); cp.setLayout(new FlowLayout()); // Create Borders for components: Border brd = BorderFactory.createMatteBorder( 1, 1, 2, 2, Color.black); list1.setBorder(brd); list2.setBorder(brd); lItems1.addElement("List1"); for(int i = 0; i < flavors.length; i++) { lItems1.addElement(flavors[i]); } lItems2.addElement("List2"); cp.add(list1); cp.add(list2); cp.add(b); b.addActionListener(bl); } public static void main(String[] args) { Console.run(new List1(), 450, 300); }}class Console { // Create a title string from the class name: public static String title(Object o) { String t = o.getClass().toString(); // Remove the word "class": if(t.indexOf("class") != -1) t = t.substring(6); return t; } public static void setupClosing(JFrame frame) { // The JDK 1.2 Solution as an // anonymous inner class: frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); // The improved solution in JDK 1.3: // frame.setDefaultCloseOperation( // EXIT_ON_CLOSE); } public static void run(JFrame frame, int width, int height) { setupClosing(frame); frame.setSize(width, height); frame.setVisible(true); } public static void run(JApplet applet, int width, int height) { JFrame frame = new JFrame(title(applet)); setupClosing(frame); frame.getContentPane().add(applet); frame.setSize(width, height); applet.init(); applet.start(); frame.setVisible(true); } public static void run(JPanel panel, int width, int height) { JFrame frame = new JFrame(title(panel)); setupClosing(frame); frame.getContentPane().add(panel); frame.setSize(width, height); frame.setVisible(true); }} 你必须用ListModel来添加删除元素ListModel mymodel=mylist.getModel();mymodel.removeElement("a");mymodel.addElement("a"); 嗯这个不是很难了,就是把第一个list里面的选中的重新加到右边的list,然后把左边的删掉就好了,不过删除的时候有一点点麻烦吧?也容易解决就是了,呵呵 java 如何取得图片的宽度,厘米而非象素 java 对word、excel的操作 不知道是否有开源的OA系统 请问如何获得当前窗口的ID,懂的人应该很简单散分 迎圣诞,送J币 帮忙看一下程序(在线等待急!) 100分求热心人,请问怎样使一副图像在指定大小panel内显示??? 用JAVA在系统中怎么获取Unix下的时间格式?(10位数字那种..) 求大神,关于Socket的问题 java基础问题 "部署"的英文原文是什么? 如何提取一个分数的分子,分母
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;public class List1 extends JApplet {
String[] flavors = { "Chocolate", "Strawberry",
"Vanilla Fudge Swirl", "Mint Chip",
"Mocha Almond Fudge", "Rum Raisin",
"Praline Cream", "Mud Pie" };
DefaultListModel lItems1=new DefaultListModel();
DefaultListModel lItems2=new DefaultListModel();
JList list1 = new JList(lItems1);
JList list2=new JList(lItems2);
JButton b = new JButton("Add Item");
ActionListener bl = new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(!list1.isSelectionEmpty()) {
Object[] allSelected = list1.getSelectedValues();
for(int i = 0; i < allSelected.length; i++) {
lItems2.addElement((String)allSelected[i]);
lItems1.removeElement(allSelected[i]);
}
}
}
};
public void init() {
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
// Create Borders for components:
Border brd = BorderFactory.createMatteBorder(
1, 1, 2, 2, Color.black);
list1.setBorder(brd);
list2.setBorder(brd);
lItems1.addElement("List1");
for(int i = 0; i < flavors.length; i++) {
lItems1.addElement(flavors[i]);
}
lItems2.addElement("List2");
cp.add(list1);
cp.add(list2);
cp.add(b);
b.addActionListener(bl);
}
public static void main(String[] args) {
Console.run(new List1(), 450, 300);
}
}class Console {
// Create a title string from the class name:
public static String title(Object o) {
String t = o.getClass().toString();
// Remove the word "class":
if(t.indexOf("class") != -1)
t = t.substring(6);
return t;
}
public static void setupClosing(JFrame frame) {
// The JDK 1.2 Solution as an
// anonymous inner class:
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
// The improved solution in JDK 1.3:
// frame.setDefaultCloseOperation(
// EXIT_ON_CLOSE);
}
public static void
run(JFrame frame, int width, int height) {
setupClosing(frame);
frame.setSize(width, height);
frame.setVisible(true);
}
public static void
run(JApplet applet, int width, int height) {
JFrame frame = new JFrame(title(applet));
setupClosing(frame);
frame.getContentPane().add(applet);
frame.setSize(width, height);
applet.init();
applet.start();
frame.setVisible(true);
}
public static void
run(JPanel panel, int width, int height) {
JFrame frame = new JFrame(title(panel));
setupClosing(frame);
frame.getContentPane().add(panel);
frame.setSize(width, height);
frame.setVisible(true);
}
}
mymodel.removeElement("a");
mymodel.addElement("a");