实现文本的追加

 package text;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;

/**
 * @author Admin
 * 实现文本的追加
 */
public class AppletText {
  
 
 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  try {
   RandomAccessFile raf = new RandomAccessFile("d://temp//1.txt","rw") ;
      for(int i=0;i<10;i++) {
     raf.writeUTF("this is a line你好你好" + i +"/n") ;//追加10行   
      }
   raf.close() ;
   
   int i = 0 ;
   String record = new String() ;
   RandomAccessFile raf2 = new RandomAccessFile("d://temp//1.txt","rw") ;
   raf2.seek(raf2.length()) ;
   raf2.writeBytes("append a line "+"/n") ;//追加一行
   raf2.close() ;
   
   RandomAccessFile raf3 = new RandomAccessFile("d://temp//1.txt","rw") ;
   while((record =raf3.readLine())!= null) {
       byte[] str = record.getBytes("ISO_8859_1") ; 
       String value = new String(str,"UTF-8") ;
    i++ ;
    System.out.println("Value"+ i+":"+value);//输出
   }
   raf3.close() ;
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }

}