文本输入框怎么编啊？？才学的！！

[hehe2101]

刚学完VB，用JAVA编页面好难，急求各位高手，给下指导！！谢谢！！

[javadiablo]

呵呵 用 JAVA 做IDE 还是麻烦啊

[javadiablo]

ECLIPSE 自带的 SWING 工具可能要方便的多

[hehe2101]

才学还不会JSP~~

[Don_Juan]

package ch09;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import java.util.*;

public class TextTest
{
public static void main(String[] args)
{
TextTestFrame frame = new TextTestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}

class TextTestFrame extends JFrame
{
public TextTestFrame()
{
this.setSize(450, 500);
this.setTitle("TextTest " + "Test");
panel = new TextTestPanel();
add(panel,BorderLayout.CENTER);
DocumentListener listener=new TimeChangListener();
JPanel p=new JPanel();
hourField=new JTextField("12",3);
hourField.getDocument().addDocumentListener(listener);
p.add(new JLabel("Hour:"));
p.add(hourField);
minField=new JTextField("00",3);
minField.getDocument().addDocumentListener(listener);
p.add(new JLabel("Minute:"));
p.add(minField);
this.add(p,BorderLayout.SOUTH);
pack();

}
public void setClock()
{
try
{
int hours=Integer.parseInt(hourField.getText().trim());
int mintues=Integer.parseInt(minField.getText().trim());
panel.setTime(hours, mintues);

} catch (NumberFormatException e)
{

}

}
private class TimeChangListener implements DocumentListener
{

public void changedUpdate(DocumentEvent e)
{
setClock();
}

public void insertUpdate(DocumentEvent e)
{
setClock();

}

public void removeUpdate(DocumentEvent e)
{


}

}
JTextField hourField,minField;
TextTestPanel panel;
}

class TextTestPanel extends JPanel
{
public TextTestPanel()
{
setPreferredSize(new Dimension(2*Size+1,2*Size+1));
}
@Override
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2=(Graphics2D)g;
Ellipse2D ell=new Ellipse2D.Double(0,0,2*Size,2*Size);
g2.draw(ell);
double hourAngle=Math.toRadians(90-360*mins/(12*60));
double minAngle=Math.toRadians(90-360*mins/60);
drawHand(g2, hourAngle, HourHand);
drawHand(g2,minAngle,MinHand);


}
public void drawHand(Graphics2D g,double angle,double hand)
{
Point2D end=new Point2D.Double(Size+hand*Math.cos(angle),Size-hand*Math.sin(angle));
Point2D center=new Point2D.Double(Size,Size);
g.draw(new Line2D.Double(center,end));
}
public void setTime(int h,int m)
{
mins=h*60+m;
repaint();
System.out.println("aaa");
}

private static final int Size=100;
private static final double HourHand=Size*0.6;
private static final double MinHand=Size*0.8;
private int mins=0;
}
我也在学给你个例子

[sd4530609]

楼上的用SWING？？？
swing太麻烦了，要创建很多东西，但是很长经验
用JSP编页面不是很简单么
如果用struts标签<html:text property="">
不用标签就是html的输入框<input type="text" name="">