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

java¶ÔFile»ù±¾²Ù×÷

 package com.chinacache.utils;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.Logger;
public class FileUtils {
private static final Logger logger = Logger.getLogger(FileUtils.class);
/**
* ÒÆ¶¯Îļþµ½Ö¸¶¨Ä¿Â¼
*
* @param srcFile
* ±»Òƶ¯Îļþ
* @param directory
* Ä¿±êĿ¼
*/
public static void moveFile(File srcFile, File directory) {
renameFile(srcFile, new File(directory, srcFile.getName()));
}
public static void renameFile(File srcFile, File newFile) {
// ²»´æÔÚÍ˳ö
if (srcFile.exists()) {
try {
org.apache.commons.io.FileUtils.moveFile(srcFile, newFile);
} catch (IOException e) {
logger.error("move file [" + srcFile.getAbsolutePath()
+ "] error", e);
}
org.apache.commons.io.FileUtils.deleteQuietly(srcFile);
}
}
/**
* ÒÆ¶¯Ò»ÅúÎļþµ½Ö¸¶¨Ä¿Â¼
*
* @param srcFiles
* Îļþ¼¯ºÏ
* @param directory
* Ä¿±êĿ¼
*/
public static void moveFiles(File[] srcFiles, File directory) {
for (int i = 0; i < srcFiles.length; i++) {
moveFile(srcFiles[i], directory);
}
}
/**
* ÒÆ¶¯Ò»ÅúÎļþµ½Ö¸¶¨Ä¿Â¼
*
* @param srcFiles
* Îļþ¼¯ºÏ
* @param directory
* Ä¿±êĿ¼
*/
public static void moveFiles(List<File> srcFiles, File directory) {
for (int i = 0; i < srcFiles.size(); i++) {
moveFile(srcFiles.get(i), directory);
}
}
public static boolean isAllDirectory(File... file) {
for (int i = 0; i < file.length; i++) {
if (!file[i].exists() || file[i].isFile() || !file[i].canRead()
|| !file[i].canWrite()) {
logger.error("Can't find this file["
+ file[i].getAbsolutePath()
+ "] or is not a Directory. or can't read or write");
return false;
}
}
return true;
}
/**
* »ñȡĿ±êĿ¼ÖÐÎļþ´óС´óÓÚÖ¸¶¨ÖµµÄÎļþ
*
* @param srcDir
*


Ïà¹ØÎĵµ£º

java reflect »úÖÆ

JAVAÓïÑÔÖеķ´Éä»úÖÆ£º
    ÔÚJava ÔËÐÐʱ »·¾³ÖУ¬¶ÔÓÚÈÎÒâÒ»¸öÀ࣬ÄÜ·ñÖªµÀÕâ¸öÀàÓÐÄÄЩÊôÐԺͷ½·¨£¿
    ¶ÔÓÚÈÎÒâÒ»¸ö¶ÔÏó£¬ÄÜ·ñµ÷ÓÃËûµÄ·½·¨£¿ÕâЩ´ð°¸Êǿ϶¨µÄ£¬ÕâÖÖ¶¯Ì¬»ñÈ¡ÀàµÄÐÅÏ¢£¬ÒÔ¼°¶¯Ì¬µ÷ÓÃÀàµÄ·½·¨µÄ¹¦ÄÜÀ´Ô´ÓÚJAVAµÄ·´Éä¡£´Ó¶øÊ¹java¾ßÓж¯Ì¬ÓïÑÔµÄÌØÐÔ¡£
  JA ......

JavaÓïÑÔ(Ò»)

 Ò»  Àà
     ÀàÊÇjavaÖеÄÒ»ÖÖÖØÒªµÄ¸´ºÏÊý¾ÝÀàÐÍ£¬ÊÇ×é³Éjava³ÌÐòµÄ»ù±¾ÒªËØ¡£Ëü·â×°ÁËÒ»Àà¶ÔÏóµÄ״̬ºÍ·½·¨£¬ÊÇÕâÒ»Àà¶ÔÏóµÄÔ­ÐΡ£Ò»¸öÀàµÄʵÏÖ°üÀ¨Á½¸ö²¿·Ö£ºÀàÉùÃ÷ºÍÀàÌå
1£®ÀàÉùÃ÷£º
¡¡¡¡[public][abstract|final]
class className [extends superclassName] [implements
inte ......

Õë¶Ô Java ¿ª·¢ÈËÔ±µÄ Dojo ¸ÅÄî

 
Dojo ÔÚ»ùÓÚWeb µÄÓ¦ÓóÌÐòÖÐÔ½À´Ô½Êܵ½»¶Ó­¡£ºÜ¶à¿ª·¢ÈËÔ±ÊÇ Java™ ±à³Ì·½ÃæµÄÄÜÊÖ£¬µ«ÊÇÔÚ JavaScript
·½ÃæÈ´È±·¦¾­Ñé¡£´ÓÇ¿ÀàÐÍ¡¢ÃæÏò¶ÔÏóµÄ±àÒëÓïÑÔתÏò¶¯Ì¬µÄ¡¢ÈõÀàÐͽű¾ÓïÑÔ£¬¿ª·¢ÈËÔ±ÐèÒª¾­Àú¸ÅÄîԾǨ´øÀ´µÄÀ§ÄÑ¡£ÕâÖÖ»ìÂÒʹ¿ª·¢ÈËÔ±ºÜÄÑÕýÈ·µØÉùÃ÷
Dojo Àà¡£±¾ÎĽ«°ïÖúÊáÀíÕâÖÖ»ìÂÒ£¬½âÊÍΪºÎ±ØÐë ......

javaÔËÐÐÓ¦ÓóÌÐò

ÔËÐÐÓ¦ÓóÌÐòÓëÔËÐÐweb³ÌÐòÔ­ÀíÊÇÒ»Öµģ¬Ö»²»¹ýwebÓ¦ÓóÌÐòÒѾ­ÔÚÆô¶¯Ê±½«³ÌÐòÔËÓõÄjar°üÉèÖõ½»·¾³±äÁ¿ÀӦÓóÌÐò¿ÉÒÔ×Ô¼ºÐ´¸öÅú´¦ÀíÀ´ÉèÖû·¾³±äÁ¿£º
java -classpath ./lib/application.jar;./lib/hibernate3.jar -Xms608m -Xmx608m com.zyj.application.StartUp
pause/exit
ÆäÖÐapplication.jarΪӦÓóÌÐòµÄjar° ......

Javaѧϰ±Ê¼Ç£¨2£©ÌåÑéÔÆ¼ÆËã


      ÏÖÔÚ£¬Ì¸ÔƼÆËãµÄ¿É¶àÁË£¬²»¹ý£¬Ò»°ã±È½Ï¹Ø×¢µÄÊÇGoogleºÍAmazonµÄÔÆ·þÎñ¡£´Ó´ó·¶Î§À´¿´£¬Ò²Ö»ÓÐÕâÁ½¼Ò»ñµÃÁ˹«Öڵĸü¶à¹Ø×¢¡£±ÈÈ磬ÎÒ¸öÈ˺ܸÐÐËȤµÄ£¬¾ÍÊÇGoogleµÄApp EngineʹÓû§Äܹ»ÔÚGoogle»ù´¡ÉèÊ©ÉϹ¹½¨ºÍÍÐ¹Ü Web Ó¦ÓóÌÐò¡£ÖÁÓÚAmazon£¬ËüµÄAmazonWeb Services»¹°üÀ¨Elastic Clou ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ