package lagrange;import javax.swing.*;
import java.awt.*;
import java.awt.event.*;public class Jlagrange implements MouseListener{
JLabel xj;
JLabel yj;
JFrame frame;
JTextField xl;
JTextField yl;
JLabel tip;
public void towin(){
JFrame frame =new JFrame("拉格朗日插值计算器");
frame.setSize(400,300);
frame.setVisible(true);
JLabel xl =new JLabel("X(0)=");
JLabel yl =new JLabel("Y(0)=");
JLabel tip =new JLabel("点击确定后请输入下一组数据!");
JTextField xj =new JTextField(10);
JTextField yj =new JTextField(10);
JButton enter =new JButton("确定");
JButton exit =new JButton("退出");
enter.addMouseListener(this);
exit.addMouseListener(this);
JPanel xx =new JPanel();
xx.add(xl);xx.add(xj);
JPanel yy =new JPanel();
yy.add(yl);yy.add(yj);
JPanel xxyy =new JPanel();
xxyy.setLayout(new GridLayout(3,1));
xxyy.add(xx);
xxyy.add(yy);
xxyy.add(tip);
JPanel btn =new JPanel();
btn.add(enter);
btn.add(exit);
Container container =frame.getContentPane();
container.add(btn,BorderLayout.SOUTH);
container.add(xxyy,BorderLayout.CENTER);
}
public void mouseClicked(MouseEvent e) {
String s="23232";
xj.setText(s);
}
public void actionPerformed(ActionEvent e) {}
public void mouseEntered(MouseEvent arg0) {}
public void mouseExited(MouseEvent arg0){}
public void mousePressed(MouseEvent arg0) {}
public void mouseReleased(MouseEvent arg0) {}}
import java.awt.*;
import java.awt.event.*;public class Jlagrange implements MouseListener{
JLabel xj;
JLabel yj;
JFrame frame;
JTextField xl;
JTextField yl;
JLabel tip;
public void towin(){
JFrame frame =new JFrame("拉格朗日插值计算器");
frame.setSize(400,300);
frame.setVisible(true);
JLabel xl =new JLabel("X(0)=");
JLabel yl =new JLabel("Y(0)=");
JLabel tip =new JLabel("点击确定后请输入下一组数据!");
JTextField xj =new JTextField(10);
JTextField yj =new JTextField(10);
JButton enter =new JButton("确定");
JButton exit =new JButton("退出");
enter.addMouseListener(this);
exit.addMouseListener(this);
JPanel xx =new JPanel();
xx.add(xl);xx.add(xj);
JPanel yy =new JPanel();
yy.add(yl);yy.add(yj);
JPanel xxyy =new JPanel();
xxyy.setLayout(new GridLayout(3,1));
xxyy.add(xx);
xxyy.add(yy);
xxyy.add(tip);
JPanel btn =new JPanel();
btn.add(enter);
btn.add(exit);
Container container =frame.getContentPane();
container.add(btn,BorderLayout.SOUTH);
container.add(xxyy,BorderLayout.CENTER);
}
public void mouseClicked(MouseEvent e) {
String s="23232";
xj.setText(s);
}
public void actionPerformed(ActionEvent e) {}
public void mouseEntered(MouseEvent arg0) {}
public void mouseExited(MouseEvent arg0){}
public void mousePressed(MouseEvent arg0) {}
public void mouseReleased(MouseEvent arg0) {}}
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