界面一个小问题,请帮忙,参与有分 在swing下,用窗口分割控件可以解决 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 describe your problem clearly.whats the result? package mywork;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.event.*;/** *主要练习布局和基本的事件 */public class MyHomeWork extends JFrame implements ActionListener,ListSelectionListener,AdjustmentListener,ItemListener{ MyHomeWork kk; JMenuBar jmb=new JMenuBar(); JMenu fill=new JMenu("文件"); JMenu therfill=new JMenu("保存"); String[] ss={"黑体","粗体","斜体"}; JComboBox box=new JComboBox(ss); JPanel p1=new JPanel(); JPanel p2=new JPanel(); JPanel p3=new JPanel(); JPanel p4=new JPanel(); JPanel p6=new JPanel(); JPanel p7=new JPanel(); JPanel p8=new JPanel(); JPanel p9=new JPanel(); JPanel p10=new JPanel(); JPanel p11=new JPanel(); MyPanel p5=new MyPanel(); JButton b1=new JButton("显示字体"); JList list=new JList(); JScrollPane jsp=new JScrollPane(list);//给列表框加上滚动条 JLabel jb1=new JLabel("请在文本框中输入文字:"); JTextField t1=new JTextField(15); JButton b2=new JButton("转换"); Scrollbar js=new Scrollbar(Scrollbar.HORIZONTAL,10,10,10,110);//方向,初位置,滑块的尺寸,最小值,最大值 Scrollbar js2=new Scrollbar(Scrollbar.VERTICAL,0,10,30,Integer.MAX_VALUE); JLabel ser=new JLabel("红色"); JLabel seg=new JLabel("绿色"); JLabel seb=new JLabel("蓝色"); Scrollbar selectred=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255);//调整字体颜色的滚动条 Scrollbar selectgreen=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255); Scrollbar selectblue=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255); //Color c=Color.RED; Container AA; JFrame fm=new JFrame(); int y,j; MyHomeWork(String s,int x1,int x2,int x3,int x4) { super(s); //加菜单 fill.add("打开"); fill.add("关闭"); fill.add(therfill); therfill.add("保存"); therfill.add("另存为..."); fill.addSeparator(); fill.add("退出"); jmb.add(fill); this.setJMenuBar(jmb); kk=this; AA=this.getContentPane(); AA.setLayout(new BorderLayout()); //加监听 list.addListSelectionListener(this);//给列表框增加监听 b1.addActionListener(this);//为"显示字体按钮"增加监听 b2.addActionListener(this);//按钮b2增加监听 js.addAdjustmentListener(this);//横向滚动条 // js2.addAdjustmentListener(this);//纵向滚动条 box.addItemListener(this);//下拉列表框 selectred.addAdjustmentListener(this); selectgreen.addAdjustmentListener(this); selectblue.addAdjustmentListener(this); //b2.setMnemonic(KeyEvent.VK_1); b2.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent e) { if(e.getKeyCode()==10) { p5.repaint(); } } }); t1.addKeyListener(new KeyAdapter()//文本框的回车事件 { public void keyPressed(KeyEvent e) { if(e.getKeyCode()==10) { p5.repaint(); } } }); //面板一 p1.setLayout(new BorderLayout(3,1)); p1.add(b1,BorderLayout.NORTH); p1.add(jsp,BorderLayout.CENTER); p6.setLayout(new BorderLayout(3,1)); p6.add(selectred,BorderLayout.NORTH); p6.add(selectgreen,BorderLayout.CENTER); p6.add(selectblue,BorderLayout.SOUTH); p1.add(p6,BorderLayout.SOUTH); AA.add(p1,BorderLayout.WEST); //面板二 p2.setLayout(new BorderLayout(3,1)); p3.setLayout(new FlowLayout(FlowLayout.LEFT)); p3.add(jb1); p3.add(t1); p3.add(box); p3.add(b2); p2.add(p3,BorderLayout.NORTH); p2.add(js2,BorderLayout.EAST); p2.add(p5,BorderLayout.CENTER); p2.add(js,BorderLayout.SOUTH); AA.add(p2,BorderLayout.CENTER); setBounds(x1,x2,x3,x4); setDefaultCloseOperation(this.EXIT_ON_CLOSE); setVisible(true); } public void valueChanged(ListSelectionEvent e)//列表框事件 { p5.repaint(); } public void actionPerformed(ActionEvent e)//显示列表框中的字体 { if(e.getActionCommand().equals("显示字体")) { GraphicsEnvironment env=GraphicsEnvironment.getLocalGraphicsEnvironment(); String[] fontnames=env.getAvailableFontFamilyNames(); for(int i=0;i<fontnames.length;i++) { list.setListData(fontnames); } } if(e.getActionCommand().equals("转换"))//按钮事件 { p5.repaint(); } } public void itemStateChanged(ItemEvent e) { p5.repaint(); } public void adjustmentValueChanged(AdjustmentEvent e)//滚动条事件 { if(e.getSource()==js)//调字体的大小 { p5.repaint(); } if(e.getAdjustable().equals(js2))//调窗体的背景颜色 { System.out.println (js2.getValue()); p5.setBackground(new Color(j)); p2.setForeground(new Color(j)); } if(e.getSource()==selectred) { p5.repaint(); } if(e.getSource()==selectgreen) { p5.repaint(); } if(e.getSource()==selectblue) { p5.repaint(); } } class MyPanel extends JPanel { public void paintComponent(Graphics g) { int a,b,c; a=selectred.getValue(); b=selectgreen.getValue(); c=selectblue.getValue(); super.paintComponent(g);//清除背景 g.setColor(new Color(a,b,c)); g.setFont(new Font((String)(kk.list.getSelectedValue()),kk.box.getSelectedIndex(),kk.js.getValue())); g.drawString(kk.t1.getText(),10,100); } } public static void main(String[] args) { new MyHomeWork("测试",45,50,800,600); } } 多谢 cissy7800了,多亏你忍无可忍了,不然我不知道还要忍多久 如何阻塞键盘输入和鼠标输入 内网多人聊天程序 java 和c的socket通信模型 改变了hosts的映射,为什么HttpClient仍然返回200呢? 如何调用已保存在类里的数据? 菜鸟提问?如何输出一个长方形? JDBC入门问题! 各位帮忙! 怎么样才能看见Applet类、Componet类等的源文件啊? Java字符串中的代码点与代码单元 希望大家给俺指条路!谢先! Java如何处理bmp文件,在线求解答! 请问:怎样将java程序编译成本地可执行文件?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
/**
*主要练习布局和基本的事件
*/public class MyHomeWork extends JFrame implements ActionListener,ListSelectionListener,AdjustmentListener,ItemListener
{
MyHomeWork kk;
JMenuBar jmb=new JMenuBar();
JMenu fill=new JMenu("文件");
JMenu therfill=new JMenu("保存");
String[] ss={"黑体","粗体","斜体"};
JComboBox box=new JComboBox(ss);
JPanel p1=new JPanel();
JPanel p2=new JPanel();
JPanel p3=new JPanel();
JPanel p4=new JPanel();
JPanel p6=new JPanel();
JPanel p7=new JPanel();
JPanel p8=new JPanel();
JPanel p9=new JPanel();
JPanel p10=new JPanel();
JPanel p11=new JPanel();
MyPanel p5=new MyPanel();
JButton b1=new JButton("显示字体");
JList list=new JList();
JScrollPane jsp=new JScrollPane(list);//给列表框加上滚动条
JLabel jb1=new JLabel("请在文本框中输入文字:");
JTextField t1=new JTextField(15);
JButton b2=new JButton("转换");
Scrollbar js=new Scrollbar(Scrollbar.HORIZONTAL,10,10,10,110);//方向,初位置,滑块的尺寸,最小值,最大值
Scrollbar js2=new Scrollbar(Scrollbar.VERTICAL,0,10,30,Integer.MAX_VALUE);
JLabel ser=new JLabel("红色");
JLabel seg=new JLabel("绿色");
JLabel seb=new JLabel("蓝色");
Scrollbar selectred=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255);//调整字体颜色的滚动条
Scrollbar selectgreen=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255);
Scrollbar selectblue=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,255);
//Color c=Color.RED;
Container AA;
JFrame fm=new JFrame();
int y,j;
MyHomeWork(String s,int x1,int x2,int x3,int x4)
{
super(s);
//加菜单
fill.add("打开");
fill.add("关闭");
fill.add(therfill);
therfill.add("保存");
therfill.add("另存为...");
fill.addSeparator();
fill.add("退出");
jmb.add(fill);
this.setJMenuBar(jmb);
kk=this;
AA=this.getContentPane();
AA.setLayout(new BorderLayout());
//加监听
list.addListSelectionListener(this);//给列表框增加监听
b1.addActionListener(this);//为"显示字体按钮"增加监听
b2.addActionListener(this);//按钮b2增加监听
js.addAdjustmentListener(this);//横向滚动条
// js2.addAdjustmentListener(this);//纵向滚动条
box.addItemListener(this);//下拉列表框
selectred.addAdjustmentListener(this);
selectgreen.addAdjustmentListener(this);
selectblue.addAdjustmentListener(this);
//b2.setMnemonic(KeyEvent.VK_1);
b2.addKeyListener(new KeyAdapter()
{
public void keyTyped(KeyEvent e)
{
if(e.getKeyCode()==10)
{
p5.repaint();
}
}
});
t1.addKeyListener(new KeyAdapter()//文本框的回车事件
{
public void keyPressed(KeyEvent e)
{
if(e.getKeyCode()==10)
{
p5.repaint();
}
}
});
//面板一
p1.setLayout(new BorderLayout(3,1));
p1.add(b1,BorderLayout.NORTH);
p1.add(jsp,BorderLayout.CENTER);
p6.setLayout(new BorderLayout(3,1));
p6.add(selectred,BorderLayout.NORTH);
p6.add(selectgreen,BorderLayout.CENTER);
p6.add(selectblue,BorderLayout.SOUTH);
p1.add(p6,BorderLayout.SOUTH);
AA.add(p1,BorderLayout.WEST);
//面板二
p2.setLayout(new BorderLayout(3,1));
p3.setLayout(new FlowLayout(FlowLayout.LEFT));
p3.add(jb1);
p3.add(t1);
p3.add(box);
p3.add(b2);
p2.add(p3,BorderLayout.NORTH);
p2.add(js2,BorderLayout.EAST);
p2.add(p5,BorderLayout.CENTER);
p2.add(js,BorderLayout.SOUTH);
AA.add(p2,BorderLayout.CENTER);
setBounds(x1,x2,x3,x4);
setDefaultCloseOperation(this.EXIT_ON_CLOSE);
setVisible(true);
}
public void valueChanged(ListSelectionEvent e)//列表框事件
{
p5.repaint();
}
public void actionPerformed(ActionEvent e)//显示列表框中的字体
{
if(e.getActionCommand().equals("显示字体"))
{
GraphicsEnvironment env=GraphicsEnvironment.getLocalGraphicsEnvironment();
String[] fontnames=env.getAvailableFontFamilyNames();
for(int i=0;i<fontnames.length;i++)
{
list.setListData(fontnames);
}
}
if(e.getActionCommand().equals("转换"))//按钮事件
{
p5.repaint();
}
}
public void itemStateChanged(ItemEvent e)
{
p5.repaint();
}
public void adjustmentValueChanged(AdjustmentEvent e)//滚动条事件
{
if(e.getSource()==js)//调字体的大小
{
p5.repaint();
}
if(e.getAdjustable().equals(js2))//调窗体的背景颜色
{
System.out.println (js2.getValue());
p5.setBackground(new Color(j));
p2.setForeground(new Color(j));
}
if(e.getSource()==selectred)
{
p5.repaint();
}
if(e.getSource()==selectgreen)
{
p5.repaint();
}
if(e.getSource()==selectblue)
{
p5.repaint();
}
}
class MyPanel extends JPanel
{
public void paintComponent(Graphics g)
{
int a,b,c;
a=selectred.getValue();
b=selectgreen.getValue();
c=selectblue.getValue();
super.paintComponent(g);//清除背景
g.setColor(new Color(a,b,c));
g.setFont(new Font((String)(kk.list.getSelectedValue()),kk.box.getSelectedIndex(),kk.js.getValue()));
g.drawString(kk.t1.getText(),10,100);
}
}
public static void main(String[] args)
{
new MyHomeWork("测试",45,50,800,600);
}
}