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
²»ÖªµÀÊÇʲôÔÒò£¬ÎÒ¸ÃÈçºÎ´¦Àí£¬Çë´óϺÃÇÖ¸½ÌÁË£¬Ð¡µÜÔÚ´Ëл¹ý¡£¡£¡£¡£
´íÎóÐÅÏ¢ÈçÏ£º
The program being debugged was signaled while in a function called from GDB.
GDB has restored the context t ......
ÎÒÏÖÔÚÏëÓÃsshÕûºÏÀ´×öÒ»¸öÂÛ̳£¬µ«Êý¾Ý¿â·½Ãæ²»ÐУ¬ÎÒÖ÷Òª²»»áÉæ¼°Êý¾Ý¿â£¬²»ÖªµÀ·¢Ìû±í£¬ºÍ»ØÌû±íÒªÈçºÎÉè¼ÆºÍÇø·Ö¡£²»ÖªµÀËÓÐÒ»¸ö¼òµ¥µÄ˼·£¬À´Éè¼ÆÕâЩ±í¡£Ð»Ð»ÁË¡£
·¢ÌûºÍ»ØÌûÓÃͬһÕÅ±í ¡£·¢Ìû id user ......
ÎҵĿª·¢µÄƽ̨ÊÇMyeclipes6.0 + tomcat5.x + mysql
ÎÒËùÓеıàÂ뷽ʽ¶¼ÊÇÓõÄUTF-8
ÎÒÖ»ÓÃÁËStrtus¿ò¼Ü
ÔÚÒ»¸öformÖÐÈçÏÂÓõÄÊÇpostµÄÌá½»·½Ê½£º
<form class="form" action=&quo ......
jspѧϰǰҪÁ˽âÄÇЩ֪ʶ£¿Ñ§ÁËjavaÁË¡£²»ÖªµÀ»¹ÒªÑ§Ï°Ð©Ê²Ã´ÖªÊ¶²Å¿ÉÒԺܺõÄѧϰjsp
HTML¡¢JavaScript
Ö±½Óѧ¾Í¿ÉÒÔÁË£¬Óöµ½²»»á¾ÍÏÖѧ¾ÍÐС£
Html css servlet
È¥Á˽âä¯ÀÀÆ÷Óëweb·þÎñÆ÷µÄ¼òµ¥½» ......
ÎÊÌâÃèÊö£ºÐ´ÈÕÖ¾¹¦ÄÜ£¬Ð´ºÃµÄдÈÕÖ¾·þÎñ£¬ÆäËûÓû§Í¨¹ýhttpµ÷Ó÷þÎñ£¬´«Èë²ÎÊý£¬È»ºó¼Ç¼ÈÕÖ¾£¬
ÎҵķþÎñ¸ÃÔõôд£¬ ±ðÈËÔõôͨ¹ýhttpµ÷ÓÃÎҵķþÎñ£¬ÎÒÓÃwebserviceдºÃÁËÒ»¸ö£¬¿ÉÊDz¢·¢ÓÐÉÏÏߣ¬Ïë¸ÄÓ ......