import java.awt.*;
import javax.swing.*;
import java.awt.event.*;class Framewithbutton extends JFrame{
Framewithbutton(String title){
super (title);
JButton button1,button2;
JPanel panel1,panel2;
JTextField tf;
tf=new JTextField(20);
button1=new JButton("1");
button2=new JButton("2");
panel1=new JPanel();
panel1.add(tf);
panel2=new JPanel();
panel2.add(button1);
panel2.add(button2);
panel1.setBackground(Color.CYAN);
panel2.setLayout(new FlowLayout());
Container cp=getContentPane();
AL listener=new AL();
button1.addActionListener(listener);
button2.addActionListener(listener);
cp.add(panel1,BorderLayout.CENTER);
cp.add(panel2,BorderLayout.SOUTH);
setSize(350,240);
setVisible(true);
setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);
}
}
class AL implements ActionListener{
public void actionPerformed(ActionEvent e){
if((JButton)e.getSource()==button1)
tf.setText("you clicked 1");
else if((JButton)e.getSource()==button2)
tf.setText("you clicked 2");
}
}public class Test3 {
public static void main(String args[]){
JFrame abc=new Framewithbutton("123");
}
}
代码中的借口为什么会报错呢？？？请指教一下
import javax.swing.*;
import java.awt.event.*;class Framewithbutton extends JFrame{
Framewithbutton(String title){
super (title);
JButton button1,button2;
JPanel panel1,panel2;
JTextField tf;
tf=new JTextField(20);
button1=new JButton("1");
button2=new JButton("2");
panel1=new JPanel();
panel1.add(tf);
panel2=new JPanel();
panel2.add(button1);
panel2.add(button2);
panel1.setBackground(Color.CYAN);
panel2.setLayout(new FlowLayout());
Container cp=getContentPane();
AL listener=new AL();
button1.addActionListener(listener);
button2.addActionListener(listener);
cp.add(panel1,BorderLayout.CENTER);
cp.add(panel2,BorderLayout.SOUTH);
setSize(350,240);
setVisible(true);
setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);
}
}
class AL implements ActionListener{
public void actionPerformed(ActionEvent e){
if((JButton)e.getSource()==button1)
tf.setText("you clicked 1");
else if((JButton)e.getSource()==button2)
tf.setText("you clicked 2");
}
}public class Test3 {
public static void main(String args[]){
JFrame abc=new Framewithbutton("123");
}
}
代码中的借口为什么会报错呢？？？请指教一下
/**
* @(#)MyForm.java
*
*
* @author
* @version 1.00 2011/2/4
*/import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.lang.*;public class MyForm implements ActionListener {
JButton sure=new JButton("提交");
JTextField txtName=new JTextField(12); //创建姓名文本框
JPasswordField txtPassword=new JPasswordField(12); //创建密码文本框
//创建性别单选按钮
JRadioButton rabM=new JRadioButton("男",true);
JRadioButton rabF=new JRadioButton("女",false);
//添加爱好复选框成员
JCheckBox c1=new JCheckBox("逛街",true);
JCheckBox c2=new JCheckBox("旅游",false);
JCheckBox c3=new JCheckBox("运动",false);
JCheckBox c4=new JCheckBox("看书",false);
JCheckBox c5=new JCheckBox("上网",false);
//创建学历列表框
String[] s1={"博士","硕士","本科","专科","其他"};
JList list1=new JList(s1);
//创建出生年份组合框
JComboBox cobY=new JComboBox();
//创建出生月份组合框
JComboBox cobM=new JComboBox();
//创建简历文本区
JTextArea txt=new JTextArea("请输入简历"); public MyForm() {
JFrame jfrm=new JFrame("会员信息采集");
jfrm.setSize(360,300);
jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jfrm.setVisible(true);
jfrm.setResizable(false); //面板的大小不能变化
Dimension dim=Toolkit.getDefaultToolkit().getScreenSize(); //获取屏幕尺寸
int w=jfrm.getSize().width; //获取窗体大小
int h=jfrm.getSize().height;
int x=(dim.width-w)/2; //取窗体左上角坐标
int y=(dim.height-h)/2;
jfrm.setLocation(x,y); //将窗体移到屏幕中间
String title[]={"姓名","密码","性别","出生年月","爱好","简历","学历"," "," "};
JLabel jb[]= new JLabel[9]; //批量创建标签
for(int i=0;i<9;i++)
{
jb[i]=new JLabel(title[i]);
}
txtName.setBackground(Color.pink); //设置文本框的背景色
txtPassword.setBackground(Color.pink);
ButtonGroup group=new ButtonGroup(); //为单选按钮定义组，实现单选
group.add(rabM); //将按钮加入到组中
group.add(rabF);
JPanel sex=new JPanel(); //建立面板sex，用于放置单选按钮
sex.add(rabM);
sex.add(rabF);
//建立面板hobby，用于放置复选按钮
JPanel hobby=new JPanel();
hobby.add(c1);
hobby.add(c2);
hobby.add(c3);
hobby.add(c4);
hobby.add(c5);
//设置学历列表框
list1.setSelectedIndex(2);
list1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
list1.setBackground(Color.white);
list1.setSelectionBackground(Color.red);
list1.setBorder(BorderFactory.createLineBorder(Color.black));
JScrollPane lp=new JScrollPane(list1);
lp.setPreferredSize(new Dimension(80,100));
//设置出生年月,份组合框，加入年,月份
for(int j=1960;j<2000;j++)
cobY.addItem(Integer.toString(j)); //为组合框添加选项
cobY.setSelectedIndex(20); //设置默认选项
cobY.setBackground(Color.white);
for(int j=1;j<13;j++)
cobM.addItem(Integer.toString(j));
cobM.setSelectedIndex(0);
cobM.setBackground(Color.white);
JPanel birth=new JPanel();
birth.add(cobY);
birth.add(new JLabel("年"));
birth.add(cobM);
birth.add(new JLabel("月"));
txt.setBackground(Color.orange);
//文本区实现滚动
JScrollPane jp=new JScrollPane(txt,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
jp.setPreferredSize(new Dimension(150,100));
//将标签,独立组件和包含组件的面板进行布局，并添加到框架的适当位置
JPanel jNorth=new JPanel();
jNorth.add(jb[0]); jNorth.add(txtName);
jNorth.add(jb[1]); jNorth.add(txtPassword);
JPanel jCenter=new JPanel();
jCenter.add(jb[2]); jCenter.add(sex); //sex为性别面板
jCenter.add(jb[3]); jCenter.add(birth); //birth为生日面板
jCenter.add(jb[4]); jCenter.add(hobby); //hobby为爱好面板
jCenter.add(jb[5]); jCenter.add(jp); //jp为简历滚动面板
jCenter.add(jb[6]); jCenter.add(lp); //lp为学历滚动面板
JPanel jSouth=new JPanel();
jSouth.add(jb[7]);
jSouth.add(sure);
jSouth.add(jb[8]);
jfrm.add(jNorth,BorderLayout.NORTH); //将已经布局好的北,中,南三块面板添加到框架的内容面板中
jfrm.add(jCenter,BorderLayout.CENTER);
jfrm.add(jSouth,BorderLayout.SOUTH);
sure.addActionListener(this);
}
//按钮的事件处理方法
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand().equals("提交"))
{
sure.setEnabled(false);
sure.setText("数据采集完毕!");
JFrame newf=new JFrame("新窗口");
JTextArea info=new JTextArea("您输入的信息是："+"\n"); //定义文本域用来显示用户提交的信息
info.append("您的姓名："+txtName.getText()+"\n");
info.append("您的密码："+txtPassword.getText()+"\n");
if(rabM.isSelected())
info.append("您的性别："+rabM.getLabel()+"\n");
if(rabF.isSelected())
info.append("您的性别："+rabF.getLabel()+"\n");
info.append("您的出生年月："+cobY.getSelectedItem()+"年"+cobM.getSelectedItem()+"月"+"\n");
info.append("您的学历："+list1.getSelectedValue().toString()+"\n");
String fun=null;
if(c1.isSelected()) fun=c1.getLabel()+" ,";
if(c2.isSelected()) fun+=c2.getLabel()+" ,";
if(c3.isSelected()) fun+=c3.getLabel()+" ,";
if(c4.isSelected()) fun+=c4.getLabel()+" ,";
if(c5.isSelected()) fun+=c5.getLabel();
info.append("您的爱好："+fun+"\n");
info.append("您的简历："+txt.getText());
info.setEditable(false); //设置文本域的可编辑性
info.setBackground(Color.white);
newf.add(info);
newf.setSize(220,202);
newf.setResizable(false);
newf.show(); }
} public static void main (String[] args) {
JFrame.setDefaultLookAndFeelDecorated(true); //采用最新的SWING外观
new MyForm(); //在主函数中实例化MyForm对象
}}
import javax.swing.*;
import java.awt.event.*;class Framewithbutton extends JFrame{
private JButton button1;
private JButton button2;
private JPanel panel1,panel2;
JTextField tf; class AL implements ActionListener{
public void actionPerformed(ActionEvent e){
if((JButton)e.getSource()==button1)
tf.setText("you clicked 1");
else if((JButton)e.getSource()==button2)
tf.setText("you clicked 2");
}
}
Framewithbutton(String title){
super (title);
tf=new JTextField(20);
button1=new JButton("1");
button2=new JButton("2");
panel1=new JPanel();
panel1.add(tf);
panel2=new JPanel();
panel2.add(button1);
panel2.add(button2);
panel1.setBackground(Color.CYAN);
panel2.setLayout(new FlowLayout());
Container cp=getContentPane();
AL listener=new AL();
button1.addActionListener(listener);
button2.addActionListener(listener);
cp.add(panel1,BorderLayout.CENTER);
cp.add(panel2,BorderLayout.SOUTH);
setSize(350,240);
setVisible(true);
setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);
}
}public class Test3 {
public static void main(String args[]){
JFrame abc=new Framewithbutton("123");
}
}