文件内再分类到各txt文件

package classification;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import layout.TableLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;


public class Classification extends JFrame implements ActionListener{
    public Classification(){
        
        //  创建一个窗口。
                Frame frame = new Frame("Classification");
                frame.setBounds (1300 , 100, 200, 450);
                
                //设置背景颜色。
                frame.setBackground(Color.black);
                
                //在这个窗口创建一个网格。    
                double size[][] =
                    {
                            //0              ,1               ,2               ,3               
                            {TableLayout.FILL,TableLayout.FILL}, //列
                            {TableLayout.FILL,TableLayout.FILL,TableLayout.FILL,TableLayout.FILL,TableLayout.FILL} //行
                    };
                TableLayout layout = new TableLayout(size);
                frame.setLayout(layout);
                
                //创建一些按钮.
                
                //编辑字体
                Font  B = new Font("宋体",Font.PLAIN,30);
                
                //写入文本数组。
                for (int i = 0;i < Button.length;i++)
                {
                    button[i] = new Button(Button[i]);
                }
                
                //应用字体。
                //按钮字体。
                for(int i = 0; i <= 9; i++) {
                    button[i].setFont(B);
                    button[i].setForeground(Color.black);
                }
                
                //添加按钮
                frame.add(button[0],"0,0,0,0"); //1
                frame.add(button[1],"1,0,1,0"); //2
                frame.add(button[2],"0,1,0,1"); //3
                frame.add(button[3],"1,1,1,1"); //4
                frame.add(button[4],"0,2,0,2"); //5
                frame.add(button[5],"1,2,1,2"); //6
                frame.add(button[6],"0,3,0,3"); //7
                frame.add(button[7],"1,3,1,3"); //8
                frame.add(button[8],"0,4,0,4"); //9
                frame.add(button[9],"1,4,1,4"); //撤回

                for(int i = 0; i <= 9; i++) {
                    button[i].addActionListener(this) ;
                }
                
                //编辑按钮
                for(int i = 0; i <= 9; i++) {
                    button[i].setFont(B);
                    button[i].setBackground(Color.green);
                }
                
                //添加窗口关闭。
                frame.addWindowListener 
                (new WindowAdapter()
                    {
                        public void windowClosing (WindowEvent e)
                        {
                            System.exit (0);
                        }
                    }
                );
                
                //窗口置顶。
                 frame.setAlwaysOnTop(true);
                 
                //显示窗口。
                frame.show();
                
        }
    String Button[] = {"1","2","3","4","5","6","7","8","9",""};
    Button button[] = new Button[Button.length];
    
    public static void main(String[] args) {
        new Classification();
    }
    
    //路径
    String[] s = {
            "D:\\homework\\chapter1.txt",
            "D:\\homework\\chapter2.txt",
            "D:\\homework\\chapter3.txt",
            "D:\\homework\\chapter4.txt",
            "D:\\homework\\chapter5.txt",
            "D:\\homework\\chapter6.txt",
            "D:\\homework\\chapter7.txt",
            "D:\\homework\\chapter8.txt",
            "D:\\homework\\chapter9.txt"
    };
    
    //文件读入粘贴板内容
    public static void method2(String fileName, String content) {
        FileWriter writer = null;
        try {
            writer = new FileWriter(fileName,true);
            Clipboard sysClip = Toolkit.getDefaultToolkit().getSystemClipboard();
            // 获取剪切板中的内容
            Transferable clipTf = sysClip.getContents(null);
            if (clipTf != null) { 
                // 检查内容是否是文本类型
                if (clipTf.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                    try {
                        content = (String) clipTf
                                .getTransferData(DataFlavor.stringFlavor);
                        writer.write(content);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }

        }catch(IOException e) {
            e.printStackTrace();
        }
        finally {
            try {
                if(writer != null) {
                    writer.close();
                }
            }catch(IOException e) {
                e.printStackTrace();
            }
        }
    }
     //按钮响应
    public void actionPerformed(ActionEvent e) {
          if(e.getSource() == button[0])
            try {
                method2(s[0],"");
            } catch (Exception e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
          if(e.getSource() == button[1])
                try {
                    method2(s[1],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[2])
                try {
                    method2(s[2], "");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[3])
                try {
                    method2(s[3],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[4])
                try {
                    method2(s[4],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[5])
                try {
                    method2(s[5],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[6])
                try {
                    method2(s[6],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[7])
                try {
                    method2(s[7],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
          if(e.getSource() == button[8])
                try {
                    method2(s[8],"");
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
    }
    
}