draw.java

通过点击鼠标生成文字

import java.awt.event.*;
import java.awt.datatransfer.*;
import java.awt.*;
import javax.swing.*;
public class Draw extends JFrame implements ActionListener,ClipboardOwner{
  static JFrame frame=new JFrame("表格画画");
  Clipboard clipboard;
  JPanel panel;
  JTextArea out;
  JTextField width,height,forcolor,baccolor,cellsp;
  JButton change;
  JButton copy;
  JButton fresh;
  JLabel label1,label2,label3,label4,label5;
  JButton button[][]=new JButton[12][12];
  int state[][]=new int[12][12];
  Draw(){
clipboard=Toolkit.getDefaultToolkit().getSystemClipboard();
    panel=new JPanel();
    frame.getContentPane().add(panel);
    panel.setLayout(null);
    out=new JTextArea(10,2);
    width=new JTextField("120");
    height=new JTextField("120");
    forcolor=new JTextField("blue");
    baccolor=new JTextField("yellow");
    cellsp=new JTextField("1");
    label1=new JLabel("宽度:");
    label2=new JLabel("高度:");
    label3=new JLabel("前景色:");
    label4=new JLabel("背景色:");
    label5=new JLabel("间距:");
    label1.setBounds(0,330,30,30);        width.setBounds(30,330,60,30);
    label2.setBounds(90,330,30,30);
    height.setBounds(120,330,60,30);
    label3.setBounds(180,330,60,30);
    forcolor.setBounds(220,330,60,30);
    label4.setBounds(0,360,60,30);
    baccolor.setBounds(50,360,60,30);
    label5.setBounds(120,360,30,30);
    cellsp.setBounds(150,360,60,30);
    panel.add(label1);
    panel.add(label2);
    panel.add(label3);
    panel.add(label4);
    panel.add(label5);
    panel.add(width);
    panel.add(height);
    panel.add(forcolor);
    panel.add(baccolor);
    panel.add(cellsp);
    for(int i=0;i<12;i++)
      for(int j=0;j<12;j++)
      {
          button[i][j]=new JButton();
          button[i][j].setBounds(30+j*20,30+i*20,20,20);
          button[i][j].setBackground(Color.white);
          state[i][j]=0;
          panel.add(button[i][j]); 
          button[i][j].addActionListener(this);   
      }
    out.setBounds(30,300,100,30);
    panel.add(out);
    change=new JButton("转换");
    change.setBounds(150,300,60,30);
    panel.add(change);
    change.addActionListener(this);
    copy=new JButton("复制");
    copy.setBounds(210,300,60,30);
    panel.add(copy);
    copy.addActionListener(this);
    fresh=new JButton("刷新");
    fresh.setBounds(220,360,60,30);
    panel.add(fresh);
    fresh.addActionListener(this);
  }
  public void actionPerformed(ActionEvent e)
  {
    String output="<style>#id1{background-color:"+forcolor.getText()+";}#id2{background-color:"+baccolor.getText()+";}</style><table width="+width.getText()+" height="+height.getText()+" border=0 cellspacing="+cellsp.getText()+" cellpadding=0>";
    for(int i=0;i<12;i++)
      for(int j=0;j<12;j++)
      {    
        if(e.getSource()==button[i][j]){
          if(state[i][j]==0)
          {
            button[i][j].setBackground(Color.blue);
            state[i][j]=1;
           }
          else
          {
            button[i][j].setBackground(Color.white);
            state[i][j]=0;
           }
         }
       }
    if(e.getSource()==change)
    {
      for(int i=0;i<12;i++)
      {
         output+="<tr>";
         for(int j=0;j<12;j++)
         {
            if(state[i][j]==1) output+="<td id=id1></td>";
            else output+="<td id=id2></td>";
         }
         output+="</tr>"; 
       }
       output+="</table>";
       out.setText(output); 
    }
    if(e.getSource()==change)
    {
       StringSelection content=new StringSelection(output);
       clipboard.setContents(content,this);
    }
    if(e.getSource()==fresh){
      for(int i=0;i<12;i++)
        for(int j=0;j<12;j++){
          button[i][j].setBackground(Color.white);
            state[i][j]=0;
        }
    }
  }
  public void lostOwnership(Clipboard clip,Transferable trans){}
 public static void main(String args[]){
  Draw a=new Draw();
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setSize(300,450);
  frame.setVisible(true);
   }
}