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

¹ØÓÚjspÂÛ̳ - Java / Web ¿ª·¢

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 ......

javaÓï·¨ÎÊÌâ - Java / Java EE

import java.io.*;
class FileTest
{
public static void main(String [] args) throws Exception
{

File fDir=new File(File.separator);
String strFile="javaÔ´´úÂë²âÊÔ"+File.separato ......

java http ÎÊÌâ - Java / Java EE

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 ......

java BufferWriterºÍPrintWriterЧÂÊ

ΪʲôÎÒÓÃBufferWriter±È²»Óû¨·ÑµÄʱ¼ä»¹Òª¶à£¿
¶øÓÃBufferOutputStreamʱ±È²»ÓÃЧÂÊÒª¸ßÊ®¼¸±¶
ÊDz»ÊÇÎҵĴúÂëÓÐÎÊÌâ
Çë¸ßÊÖ¸ø¸ö½âÊÍ

Java code:

import java.io.*;
public class BufferCha ......

Ìì½ò ÕÐÆ¸¼æÖ°£¨java struts2)

ÎÒÃÇÓÐÏîÄ¿Ïë×齨һ¸ö¿ª·¢ÍŶӣ¬
Ö÷ÒªÓà tomcat,java,struts2,ÎÒÃǵĺËÐijÉÔ±¶¼ÊǾ­Ñé·Ç³£·á¸»µÄϵͳÉè¼ÆÊ¦£¬
Èç¹ûÄúÔÚÌì½ò£¬Í¬Ê±¶Ôjava±È½Ï¸ÐÐËȤ£¬
¿ÉÒÔ¼ÓÈëÎÒÃÇ¡£
Ï£ÍûÒªÇó
  1¡£°®ºÃ±à³Ì
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ