要求在确定与添加按钮中间加入一个文本框jtextfield,点击添加把文本框的内容添加到复选框cb中。
package test;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.List;
import javax.swing.*;@SuppressWarnings(value="all")
public class Test4 extends JDialog{
private String[] str;
private JCheckBox[] cb;
public Test4(String[] str,JFrame f){
super(f,"挑选词",true);
this.str=str;
final List<String> cj = new ArrayList<String>();
JButton btnExit=new JButton("确定");
JButton btnAdd=new JButton("添加");
btnExit.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
setVisible(false);
for(int i=0;i<cb.length;i++){
if(cb[i].isSelected()){
System.out.println(cb[i].getText());
}
}
}
});
btnAdd.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
}
});
JPanel pBottom=new JPanel();
pBottom.setLayout(new FlowLayout(FlowLayout.CENTER));
pBottom.add(btnExit);
pBottom.add(btnAdd); cb=new JCheckBox[str.length];
JPanel p=new JPanel();
JScrollPane sp=new JScrollPane(p);
p.setLayout(new GridLayout(str.length/1,3));
int savei=0;
for(int i=0;i<str.length;i++){
cb[i]=new JCheckBox(str[i]);
cb[i].setSelected(true);
p.add(cb[i]);
}
add(sp,BorderLayout.CENTER);
add(pBottom,BorderLayout.SOUTH);
Dimension size=Toolkit.getDefaultToolkit().getScreenSize();
int x=(size.width-500)/2-100;
int y=(size.height-300)/2-100;
setBounds(x,y,550,450);
setResizable(false);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setVisible(true);
}
public static void main(String[] args) {
String str[]=new String[]{"1","2","3","4","5","6","7"};
new Test4(str,null);
}
}
package test;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.List;
import javax.swing.*;@SuppressWarnings(value="all")
public class Test4 extends JDialog{
private String[] str;
private JCheckBox[] cb;
public Test4(String[] str,JFrame f){
super(f,"挑选词",true);
this.str=str;
final List<String> cj = new ArrayList<String>();
JButton btnExit=new JButton("确定");
JButton btnAdd=new JButton("添加");
btnExit.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
setVisible(false);
for(int i=0;i<cb.length;i++){
if(cb[i].isSelected()){
System.out.println(cb[i].getText());
}
}
}
});
btnAdd.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
}
});
JPanel pBottom=new JPanel();
pBottom.setLayout(new FlowLayout(FlowLayout.CENTER));
pBottom.add(btnExit);
pBottom.add(btnAdd); cb=new JCheckBox[str.length];
JPanel p=new JPanel();
JScrollPane sp=new JScrollPane(p);
p.setLayout(new GridLayout(str.length/1,3));
int savei=0;
for(int i=0;i<str.length;i++){
cb[i]=new JCheckBox(str[i]);
cb[i].setSelected(true);
p.add(cb[i]);
}
add(sp,BorderLayout.CENTER);
add(pBottom,BorderLayout.SOUTH);
Dimension size=Toolkit.getDefaultToolkit().getScreenSize();
int x=(size.width-500)/2-100;
int y=(size.height-300)/2-100;
setBounds(x,y,550,450);
setResizable(false);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setVisible(true);
}
public static void main(String[] args) {
String str[]=new String[]{"1","2","3","4","5","6","7"};
new Test4(str,null);
}
}
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.List;
import javax.swing.*;@SuppressWarnings(value = "all")
public class Test4 extends JDialog {
private String[] str;
private List<JCheckBox> cb; private JTextField field;
private JPanel p; public Test4(String[] str, JFrame f) {
super(f, "挑选词", true);
this.str = str;
final List<String> cj = new ArrayList<String>();
JButton btnExit = new JButton("确定");
JButton btnAdd = new JButton("添加");
btnExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setVisible(false);
// for (int i = 0; i < cb.length; i++) {
// // if (cb[i].isSelected()) {
// // System.out.println(cb[i].getText());
// // }
// }
}
});
btnAdd.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String text = field.getText().trim();
if (text != null && !"".equals(text)) {
cb.add(new JCheckBox(text));
}
installBoxes();
}
});
JPanel pBottom = new JPanel();
pBottom.setLayout(new FlowLayout(FlowLayout.CENTER));
field = new JTextField(30);
pBottom.add(btnExit);
pBottom.add(field);
pBottom.add(btnAdd); cb = new ArrayList<JCheckBox>(); p = new JPanel();
JScrollPane sp = new JScrollPane(p);
p.setLayout(new GridLayout());
installBoxes(); add(sp, BorderLayout.CENTER);
add(pBottom, BorderLayout.SOUTH);
Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
int x = (size.width - 500) / 2 - 100;
int y = (size.height - 300) / 2 - 100;
setBounds(x, y, 550, 450);
setResizable(false);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setVisible(true);
} private void installBoxes() {
p.removeAll();
for (int i = 0; i < cb.size(); i++) {
JCheckBox cbox = cb.get(i);
p.add(cbox);
} p.revalidate();
p.repaint();
System.out.println("123");
} public static void main(String[] args) {
String str[] = new String[] { "1", "2", "3", "4", "5", "6", "7" };
new Test4(str, null);
}
}
这代码写的,多多磨练吧。
public class Test
{
public static void main(String[] args)
{
int[][] a = new int[][]{{1,0,0,0,0,},{1,1,0,0,0},{1,1,1,0,0},{1,1,1,1,0},{1,1,1,1,1,1}};
int[][] b = new int[][]{{1,0,0,0,0,},{1,1,0,0,0},{1,0,1,0,0},{1,0,1,0,0},{1,1,1,1,1,1}};
int[][] c = new int[][]{{0,0,1,0,0,0,0,0,0},{0,0,1,1,1,0,0,0,0},{0,0,1,1,1,1,0,0,0},{0,1,1,1,1,1,1,1,0},{1,1,1,1,1,1,1,1,1}};
int[][] d = new int[][]{{0,0,1,0,0,0,0,0,0},{0,0,1,0,1,0,0,0,0},{0,0,1,0,1,0,0,0,0},{0,1,0,1,0,0,0,0,0},{1,1,1,1,1,1,1,1,1}};
int[][] e = new int[][]{{1,0,0,0,0,},{1,1,1,0,0},{1,1,1,1,1},{1,1,1,0,0},{1,1,0,0,0,0},{1,0,0,0,0,0},{1,0,0,0,0,0}};
int[][] f = new int[][]{{1,1,1,1,1,},{1,0,1,0,0},{1,0,1,0,0},{1,0,1,0,0},{1,1,1,1,1,1}};
System.out.println("-----------------------------------------------");
System.out.println("A图是:");
Test.printxx(a);
System.out.println("-----------------------------------------------");
System.out.println("B图是:");
Test.printxx(b);
System.out.println("-----------------------------------------------");
System.out.println("C图是:");
Test.printxx(c);
System.out.println("-----------------------------------------------");
System.out.println("D图是:");
Test.printxx(d);
System.out.println("-----------------------------------------------");
System.out.println("E图是:");
Test.printxx(e);
System.out.println("-----------------------------------------------");
System.out.println("F图是:");
Test.printxx(f);
}
public static void printxx(int[][] n)
{
int[][] x=n;
int xl=x.length;
int yl=x[0].length;
for (int i=0;i<xl;i++)
{
for(int j=0;j<yl;j++)
{
if(x[i][j]==1)
{
System.out.print("*");
}
else
{
System.out.print(" ");
}
}
System.out.println();
}
}
}