exe_actionlistener.java

字符识别程序

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.JTextArea;
import java.awt.color.*;

	public class Exe_actionListener implements ActionListener {
		/**
		 * <p>Title: 字符识别程序</p>
		 *
		 * <p>Description: </p>
		 *
		 * <p>Copyright: Copyright (c) 2006</p>
		 *
		 * <p>Company: 04医学应用2班</p>
		 *
		 * @author  郭镇波 
		 * @version 1.0
		 */
		private JTextArea area1 = null,
		                  area2 = null;
		
		public Exe_actionListener(JTextArea area1,JTextArea area2)
		{
			this.area1 = area1;
			this.area2 = area2;
		}
		public void actionPerformed(ActionEvent e){
		   String str = area1.getText();
		   area2.setText("");
		   try
		   {
		       BufferedWriter bw = new BufferedWriter(new FileWriter("temp.txt"));
		       bw.write(str,0,str.length());
		       bw.flush();
		       bw.close();       	
		       BufferedReader br = new BufferedReader(new FileReader("temp.txt"));
		       String str2 = "",str3 = "";
		       
		       while((str2 = br.readLine()) != null)
		       {
		       	  area2.append(str2+"\n");
		          char c = 'c';
		          for(int i =0;i<=str2.length()-1;i++)
		          {
		          	 c = str2.charAt(i);
		          	 if(c == 32)
		          	 str3 += " ";
		          	 else if(c>=48 && c<=57)
		             str3 += 'n';
		             else if(c>=65 && c<=90 || c>=97 && c<=122)
		             str3 += 'c';
		             else  
		             str3 += 'o';
		          }
		         area2.append(str3+"\n");
		         str3 = "";
		       }
		       br.close();
		   }catch(IOException ee){area2.setText("文件错误");}
		        }
	}