Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Java RandomAccessFile дÈëtxtÎļþ - Java / Java SE

ÓÃRandomAccessFileдÈëTXTÎļþ²é¿´Ê±ÊÇÂÒÂ룬ÇëÎÊÓÐʲô·½·¨¿ÉÒÔд³É¿É¶ÁµÄÎļþ£¬²»ÊÇÓÃÆäËûµÄÎļþ²Ù×÷£¬¾ÍÊÇÖ»ÓÃRandomAccessFileµÄ·½·¨ÊÇ·ñ¿ÉÒÔʵÏÖ£¿
Java code:
import java.io.*;
public class RandomAccessFileDemo
{
public static void main(String[] args) throws IOException
{
RandomAccessFile raf=new RandomAccessFile("random.txt","rw");
raf.writeBoolean(true);
raf.writeInt(2008);
raf.writeChar('Äê');
raf.writeDouble(08.08);
raf.writeUTF("Å·ÁÖÆ¥¿ËÔ˶¯»á");
raf.seek(1);
System.out.println(raf.readInt());
System.out.println(raf.readChar());
System.out.println(raf.readDouble());
System.out.println(raf.readUTF());
raf.seek(0);
System.out.println(raf.readBoolean());
raf.close();
}
}

ÕâÖÖÂÒÂëÒ»°ã¶¼ÊÇÒòΪ×Ö·û´®µÄ±àÂë»òÕß×Ö·û´®×ª»»×Ö½ÚµÄʱºò±àÂ벻ͬ¶øÒýÆðµÄ¡£ËùÒÔÊ×ÏÈ×îºÃ¶ÔҪдÈëÎļþµÄ×Ö·û´®»òÕßÁ÷¶¼½øÐÐÒ»±é±àÂëÉ趨¡£

1¡¢String.getBytes£¨£©½«»á°´ÕÕµ±Ç°ÏµÍ³Ä¬ÈϵÄencoding·½Ê½»ñµÃ×Ö·û´®µÄ Bytes£¬RandomAccessFile.write(byte[])½«Õâ¸öbyteÊý×éÕýȷдÈë¡£ÓÉÓÚдÈëµÄʵ¼Ê¾ÍÊÇWindowsƽ̨µÄ nativecode±àÂ룬ËùÒÔÎļþ»¹Äܹ»±»ÕýÈ·µÄÔĶÁ¡£
2¡¢RandomAccessFile.writeBytes(String)½«×Ö·û´®µÄ¸÷¸ö×Ö·û£¨µ±È»ÊÇÓÃunicode±àÂëµÄ£©µÄ¸ß8λȥµô£¬Ð´ÈëÎļþ¡£
3¡¢RandomAccessFile.writeChars(String)½«×Ö·û´®µÄ¸÷¸ö


Ïà¹ØÎÊ´ð£º

jsp ÖÐÂÒÂëµÄ - Java / Web ¿ª·¢

ÎҵĿª·¢µÄƽ̨ÊÇMyeclipes6.0 + tomcat5.x + mysql
ÎÒËùÓеıàÂ뷽ʽ¶¼ÊÇÓõÄUTF-8 
ÎÒÖ»ÓÃÁËStrtus¿ò¼Ü
ÔÚÒ»¸öformÖÐÈçÏÂÓõÄÊÇpostµÄÌá½»·½Ê½£º
 <form class="form" action=&quo ......

android ÏÖÔÚÖ»Ö§³ÖJAVAô£¿ ¿ÉÒÔÓà c++ ô£¿

android ÏÖÔÚÖ»Ö§³ÖJAVAô£¿ ¿ÉÒÔÓà c++ ô£¿
Ö÷ÒªÊÇÓÃJava£¬ÏëʹÓÃC++µÄ»°¿ÉÒÔÓÃGoogle·¢²¼µÄNDK

×öÓ¦Óÿɶ¨ÊÇÒªÓõ½JavaµÄ£¬ÒòΪӦÓÿò¼Ü¾ÍÊÇJavaµÄ£¬µ«ÊDz¿·Ö´úÂë¿ÉÒÔÓÃC++À´Ð´

¿ÉÒԵġ£¡£

Ã²ËÆ²»¿ÉÒÔ° ......

java appletÔÚhtmlÖÐÎÞ·¨ÏÔʾ

ÎÒµÄjava applet ǶÈëhtmlºóÎÞ·¨ÏÔʾ£¬¶øÓÃappletviewerÏÔʾÕý³£ÎªÊ²Ã´£¬»¹ÓоÍÊÇÓÃhtml converterת»¯ºó¿ÉÒÔÏÔʾ£¬ÎªÊ²Ã´£¿Çë´óÏÀ´Í½Ì£¡
HTML code:

<HTML>
<HEAD>
<TITLE>TEST.HTML< ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ