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
ÏÖÔÚ»¹ÓкܶàÈ˸㲻¶®PHPºÍJAVA¿ª·¢µÄÐͬOAµ½µ×ÓÐʲô²»Í¬£¬¶Ô×Ô¼ºµ½µ×ÓÐʲôӰÏ죬ÒÔÖÁÓÚ×ö³öÁË´íÎóµÄÑ¡Ôñ¶øêݺ¦ÎÞÇî¡£±ÊÕ߸ù¾ÝÁ½ÖÖ¼¼ÊõµÄÌØµãÖØÐÂÕûÀíÁËÒ»¸ö¶Ô±È£¬¸ø¹ØÐÄÐͬOA¼¼ÊõµÄ¶ÁÕß×ö¸ö²Î¿¼¡£
»ªÌ춯Á¦Ð ......
ÎÒÔÚeclipseÖÐдÁËÒ»¸ö²¥·ÅÒôÀÖµÄÀ࣬²¢°ÑÒôÀÖÎļþºÍÀàÎļþ·ÅÔÚÁËÒ»Æð£¬½á¹ûÔËÐÐʱ£¬³öÏÖ´íÎó£¬ËµÊÇÒôÀÖÎļþÄǸöÊǿյ쬵«ÊÇÔÚjcreatorÓÃͬÑùµÄ·½·¨½á¹ûÊÇ¿ÉÒÔÔËÐеģ¬ÇëÇó¸ß˵ָ½Ì£¬¸æËßΪʲô£¿¼±
ÄãÈôÊÇÔÚWindo ......
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×î¸ßЧµÄ¿ª·¢¼Ü¹¹ÊÇʲô£¿
¹úÇì·Å¼ÙÕ⼸ÌìÓÐʱ¼ä˼¿¼Ò»Ð©Æ½Ê±²»ÄÜ˼¿¼µÄÊÂÇé¡£ÆäÖÐÖ®Ò»¾ÍÊÇJAVA×î¸ßЧµÄ¿ª·¢¼Ü¹¹ÊÇʲô¡£
ÎÒÃǹ«Ë¾ÓÃappfuse¼Ü¹¹¿ª·¢£¬ÕæÂý°¡£¡ÕæµÄ£¬Ò»¸ö´óÏîÄ¿µÄ¿ª·¢°Ñʱ¼ä¶¼À˷ѵ½ÅäÖÃÉ ......
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
......