www.pudn.com > liuyang1.rar > liuyang1.java

import java.applet.*; 
import java.awt.*; 
import javax.swing.*; 
import java.awt.event.*; 
import java.util.StringTokenizer; 
import java.util.Arrays; 
import java.util.Vector; 
import java.io.*; 
 
public class y2 
{ 
 public static void main(String args[]) 
  { 
   jiemian j= new jiemian(); 
 
  } 
	 
}  
class jiemian extends Frame implements ActionListener 
{ 
 Button b1,b2,b3; 
 TextArea t1; 
 TextArea t2; 
 Label l1,l2,l3; 
 Color c1=new Color(210,125,165); 
  
 public jiemian() 
 { 
  super("程序文本处理 作者 刘志刚"); 
   
  b1= new Button("保留字"); 
  b1.setBounds(150,200,80,20); 
  b1.addActionListener(this); 
   
  b2=new Button("注释字母"); 
  b2.setBounds(250,200,80,20); 
  b2.addActionListener(this); 
   
  b3=new Button("打开文件"); 
  b3.setBounds(50,200,80,20); 
  b3.addActionListener(this); 
   
  l1=new Label("请输入："); 
  l1.setBounds(40,80,80,40); 
   
  l2=new Label("要转换成大写的是："); 
  l2.setBounds(40,180,100,20); 
   
  l3=new Label("结果是："); 
  l3.setBounds(40,320,100,20); 
   
  t1=new TextArea(); 
  t1.setBounds(140,80,190,40); 
   
   
  t2=new TextArea(); 
  t2.setBounds(140,300,190,100); 
   
   
  this.add(b1); 
  this.add(b2); 
  this.add(l1); 
  this.add(b3); 
  this.add(l2); 
  this.add(l3); 
  this.add(t1); 
  this.add(t2); 
   
  this.setLayout(null); 
  this.setBackground(c1); 
  this.setSize (400,400); 
  this.setVisible(true); 
   
  this.addWindowListener 
  ( 
     new WindowAdapter() 
      { 
      	public void windowClosing(WindowEvent evt) 
          {System.exit(0);} 
      } 
  ); 
 
 } 
 
 public void actionPerformed(ActionEvent e) 
 { 
  if(e.getSource()==b1) 
  { 
  	boolean bo1=true; 
  	String s1=this.t1.getText(); 
  	StringTokenizer zhizhen=new StringTokenizer(s1," ,;()"); 
  	Vector v1=new Vector(); 
  	//Vector v2=new Vector(); 
  	String[] ss1={"auto","break","case","char","const","continue","default","do","double", 
  	"else","enum","extern","float","for","goto","if","int","long","register","return", 
  	"short","signed","sizeof","static","struct","switch","typedef","union","unsigned", 
  	"void","volatile","while"}; 
  	int i,k,h; 
  	for(k=0;k<32;k++) 
  	{ 
  	  v1.add(ss1[k]); 
  	 	 
  	} 
  	h=zhizhen.countTokens(); 
  	 
  	while(h>0) 
  	{ String s2=zhizhen.nextToken(); 
  	  String s3=s2; 
  	    
      System.out.println(s2); 
  	 bo1=v1.contains(s2); 
     h--; 
     if(bo1) 
     {  
     	s2=s2.toUpperCase(); 
     	s1=s1.replaceAll(s3,s2); 
     	 
     } 
      
    }  
     this.t2.setText(s1+"\n"); 
     
    } 
    if(e.getSource()==b2) 
    {//boolean bo2=true; 
  	 String s4=this.t1.getText(); 
  	 int a,b; 
  	 a=s4.indexOf("/*"); 
     b=s4.indexOf("*/"); 
     if(a>=0||b>0) 
     {String s5=s4.substring(a+2,b); 
     String s6=s5; 
     s5=s5.toUpperCase(); 
     s4=s4.replaceAll(s6,s5); 
     this.t2.setText(s4);	 
     
    } 
    else{this.t2.setText(s4); 
    }     
   } 
  if(e.getSource()==b3) 
  { 
  	int b; 
  	byte buffer[]=new byte[2500]; 
  	try 
  	{ 
  		FileInputStream readfile=new FileInputStream("d:\\example1.c"); 
  		b=readfile.read(buffer,0,2500); 
         
  	try 
  	{ 
  		String str=new String(buffer,0,b,"Default"); 
  		t1.setText(str); 
  	} 
  	catch(UnsupportedEncodingException ey) 
  	{ 
  		t1.setText("the encoding was not found:"+ey); 
 	} 
  	 
  } 
  catch(IOException ey) 
  { 
  	t1.setText("file read error"); 
  } 
 } 
} 
}