bijiao.java

图形界面

package 文件比较soft28;

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import javax.swing.border.BevelBorder;

import 对参赛选手的得分进行处理图形界面soft30.Score;

public class Bijiao extends JFrame {

	private JTextArea textArea;
	static String FilePath1 = "";

	static String FilePath2 = "";
	
	public static void main(String[] args) {
		
		Bijiao sd = new Bijiao();
		sd.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	}
	

	Bijiao() {
		
		super("文件比较");
		getContentPane().setLayout(null);
		Container cn = this.getContentPane();
		
		this.setSize(600, 500);

		
		
        this.show();

		final JScrollPane scrollPane = new JScrollPane();
		scrollPane.setBounds(92, 158, 405, 227);
		getContentPane().add(scrollPane);

		textArea = new JTextArea();
		scrollPane.setViewportView(textArea);

		final JButton button = new JButton();
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0)
			{
				FileDialog fd=new FileDialog(Bijiao.this);//添加浏览文件的面板
				fd.setVisible(true);//显示面板
				 FilePath1=fd.getDirectory()+fd.getFile();
				

				Runtime rt = Runtime.getRuntime();
				
				try {

					rt.exec("notepad.exe " + FilePath1);

				} catch (IOException ex) {

					System.out.println(ex.getMessage());

				}
			}
		});
		button.setText("打开文件1");
		button.setBounds(92, 39, 99, 23);
		getContentPane().add(button);

		final JButton button_1 = new JButton();
		button_1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) 
			{
				FileDialog fd=new FileDialog(Bijiao.this);//添加浏览文件的面板
				fd.setVisible(true);//显示面板
				 FilePath2=fd.getDirectory()+fd.getFile();
				

				Runtime rt = Runtime.getRuntime();
				
				try {

					rt.exec("notepad.exe " + FilePath2);

				} catch (IOException ex) {

					System.out.println(ex.getMessage());

				}
			}
		});
		button_1.setText("打开文件2");
		button_1.setBounds(238, 39, 99, 23);
		getContentPane().add(button_1);

		final JButton button_2 = new JButton();
		button_2.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) 
			{
				Bijiao.this.compl(textArea);
			}
		});
		button_2.setText("开始比较");
		button_2.setBounds(398, 39, 99, 23);
		getContentPane().add(button_2);
		
		this.setResizable(true);//显示
		this.setVisible(true);
             
	}
   
	void compl(JTextArea jt){
		jt.setText("");
		
		try{
		File f1=new File(FilePath1);
		File f2=new File(FilePath2);
		if (f1.exists() && f2.exists()){
			
			
			String s1="";
			String s2="";
			
			BufferedReader in1=new BufferedReader(new FileReader(f1));
			BufferedReader in2=new BufferedReader(new FileReader(f2));
			
			try{
			int i=0;
			while( ( (s1=in1.readLine() )!=null  )&&( (s2=in2.readLine()) !=null)  ){
				i++;
				if(! s1.equals(s2) ){
					
					jt.append("文件一第"+i+"行："+s1+"\n");
					jt.append("文件二第"+i+"行："+s2+"\n");
					jt.append("有不同。\n");
					System.out.println("文件一第"+i+"行："+s1+"\n"+"文件二第"+i+"行："+s2+"\n"+"有不同。\n");
				
					
					/*Confirm kuang=new Confirm(this,"找到不同，是否结束？",true);
					
					if( Confirm.returnValue)
						break;
					
					else
						continue;*/
						
				}
				
			
			}
			
			System.out.println("文件读取结束.");
			jt.append("文件比较结束。\n");
			
			}catch(IOException exc){
				System.out.println("有文件读取错误，无法比较。");
			}		
		}else{
			jt.append("有文件不存在，无法比较。\n");
		}
			
			
		}catch(FileNotFoundException e){
			System.out.println("有文件不存在，无法比较。");
			jt.append("有文件不存在，无法比较。\n");
		}
		
		
		
	}
	 
	

}

class Confirm extends Dialog{
	static boolean returnValue=false;
 	public Confirm(Frame f,String s,boolean b){
 		super(f,s,b);
 		this.setLayout(new FlowLayout());
 		JLabel LABEL=new JLabel(s);

 			
 		JButton NO=new JButton("否");
 		NO.addActionListener(new NOACT());	
 		JButton YES=new JButton("是");
 		YES.addActionListener(new YESACT());
 		this.add(LABEL);
 		this.add(YES);
 		this.add(NO);
 		this.setResizable(true);
 		this.setSize(300, 80);
 		this.setLocation(f.getLocation().x, f.getLocation().x);
 		this.setVisible(true);
 		this.addWindowListener(
 				  new WindowAdapter() {
 				    public void windowClosing(WindowEvent e) {
 				    	 Confirm.this.dispose();
 				    }
 				  });
 
 	}
 		
	  class YESACT implements ActionListener {
		    public void actionPerformed(ActionEvent e) {
		    	returnValue=true;
		        Confirm.this.dispose();
		        
		    }
		  }
		
	  class NOACT implements ActionListener {
		    public void actionPerformed(ActionEvent e) {
		    	returnValue=false;
		        Confirm.this.dispose();
		        
		    }
		  }
 }