ÇëÉ÷ÓÃjavaµÄFile#renameTo(File)·½·¨
ÒÔǰÎÒÒ»Ö±ÒÔΪFile#renameTo(File)·½·¨ÓëOSÏÂÃæµÄ move/mv ÃüÁîÊÇÏàͬµÄ£¬¿ÉÒÔ´ïµ½¸ÄÃû¡¢Òƶ¯ÎļþµÄÄ¿µÄ¡£²»¹ýºóÀ´¾³£·¢ÏÖÎÊÌ⣺File#renameTo(File)·½·¨»á·µ»ØÊ§°Ü(false)£¬ÎļþûÓÐÒÆ¶¯£¬Óֲ鲻³öÔÒò£¬ÔÙºóÀ´¸É´àÆúÓø÷½·¨£¬×Ô¼ºÊµÏÖÒ»¸öcopy·½·¨£¬ÎÊÌâµ¹ÊÇÔÙҲûÓгöÏÖ¹ý¡£
×òÌìÀϰåͬѧÓÖÓöµ½Õâ¸öÎÊÌ⣬File#renameTo(File)·½·¨ÔÚwindowsÏÂÃæ¹¤×÷µÄºÃºÃµÄ£¬ÔÚlinuxÏÂż¶ûÓÖʧÁéÁË¡£»Øµ½¼ÒÎÒɨÁËÒ»±éJDKÖÐFile#renameTo(File)·½·¨µÄÔ´´úÂ룬·¢ÏÖËüµ÷ÓõÄÊÇÒ»¸ö±¾µØµÄ·½·¨(native method)£¬ÎÞ·¨ÔÙ¸ú×ÙÏÂÈ¥¡£ÍøÉÏÓÐÈË˵¸Ã·½·¨ÔÚwindowÏÂÊÇÕý³£µÄ£¬ÔÚlinuxÏÂÃæÊDz»Õý³£µÄ¡£Õâ¸öºÜÄÑ˵ͨ£¬SUN²»¿ÉÄܸã³öÕâÖÖÆ½Ì¨²»Ò»ÖµĴúÂë³öÀ´°¡¡£
ºóÃæÔÚSUNµÄ¹Ù·½ÂÛ̳ÉÏ¿´µ½ÓÐÈËÌáµ½Õâ¸öÎÊÌâ“works on windows, don't work on linux”£¬ºóÃæÓÐÈ˻ظ´ËµÊÇ“file systems”²»Ò»Ñù¡£¾¿¾¹Ôõô²»Ò»ÑùÄØ£¿»¹ÊÇûÓÐÏë³öÀ´...
ºóÃæÔÚÒ»¸öÂÛ̳ÀïÃæ·¢ÏÖÁËijÈ˹ØÓÚÕâ¸öÎÊÌâµÄ²ûÊö£º
ÒýÓÃ
In the Unix'esque O/S's you cannot renameTo() across file systems. This behavior is different than the Unix "mv" command. When crossing file systems mv does a copy and delete which is what you'll have to do if this is the case.
The same thing would happen on Windows if you tried to renameTo a different drive, i.e. C: -> D:
ÖÕÓÚÃ÷°×¿©¡£
×ö¸öʵÑ飺
Java´úÂë
File sourceFile = new File("c:/test.txt");
File targetFile1 = new File("e:/test.txt");
File targetFile2 = new File("d:/test.txt");
System.out.println("source file is exist? " + sourceFile.exists()
+ ", source file => " + sourceFile);
System.out.println(targetFile1 + " is exist? " + targetFile1.exists());
System.out.println("rename to " + targetFile1 + " => "
+ sourceFile.renameTo(targetFile1));
System.out.pr
Ïà¹ØÎĵµ£º
Ôڳɹ¦ÊµÏÖJavaµ÷ÓÃC++Ö®ºó£¬½ÓÏÂÀ´Ïëµ½ÄÜ·ñͨ¹ýJNAʵÏÖJavaµ÷ÓÃFortran£¬½ñÌìÊÔÑéÁËһϣ¬»¹ÊDZȽÏÈÝÒ׵ġ£
ÍøÉÏÓÐÒ»¸öJavaµ÷ÓÃF95µÄÀý×Ó£¬µ«ÊÇÎÒ¿¼ÂDz»½öҪʵÏÖF95µÄµ÷Ó㬻¹ÒªÊµÏÖF77µÄµ÷Óã¬ËùÒÔ·ÑÁËһЩÖÜÕÛ¡£
ÎÊÌâµÄ¹Ø¼üÔÚÓÚF77Ϊ¹ý³ÌÃû×Ô¶¯Ìí¼ÓÁËÒ»¸öβ²¿µÄÏ»®Ïߣ¬ËùÒÔsub1Õâ¸ö¹ý³Ì£¬µ½JavaÒ»¶Ë£¬¾Í±ä³ÉÁËsub1_£¬ ......
2008 Äê 6 ÔÂ 24 ÈÕ
ÔÎĵØÖ·£º http://www.ibm.com/developerworks/cn/data/library/techarticles/dm-0806wangys/
±¾ÎĽéÉÜ IBM FileNet P8 4.0 Platform ÌṩµÄ Content Java API¡£Ê×ÏÈ¶Ô FileNet P8 Content Engine ºÍ API ½øÐиÅÒª½éÉÜ, ²¢ËµÃ÷ÁËһЩ»ù±¾¸ÅÄî£¬ËæºóÏêϸ½éÉÜÁË FileNet Content EngineÌṩµÄ»ùÓÚ EJB ......
AndroidÊÇ»ùÓÚLinuxÄں˵IJÙ×÷ϵͳ£¬ÔçÆÚÓÉGoogle¿ª·¢£¬ºóÓÉ¿ª·ÅÊÖ»úÁªÃË¿ª·¢¡£Ëü²ÉÓÃÁËÈí¼þ¶Ñ²ãAndroidÆì½¢ÊÖ»ú ĦÍÐÂÞÀXT702µÄ¼Ü¹¹£¬Ö÷Òª·ÖΪÈý²¿·Ö¡£µ×²ãÒÔLinuxÄں˹¤×÷Ϊ»ù´¡£¬Ö»Ìṩ»ù±¾¹¦ÄÜ£»ÆäËûµÄÓ¦ÓÃÈí¼þÔòÓɸ÷¹«Ë¾×ÔÐпª·¢£¬ÒÔJava×÷Ϊ±àд³ÌÐòµÄÒ»²¿·Ö¡£ÁíÍ⣬ΪÁËÍÆ¹ã´Ë¼¼Êõ£¬GoogleºÍÆ ......
1¡¢Oracle8/8i/9iÊý¾Ý¿â£¨thinģʽ£©
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID
String user="test";
String password="test";
Connection conn= Dri ......
µÚÒ»ÖÖ:ЧÂʸß
Map map = new HashMap();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
Object key = entry.getKey();
Object val = entry.getValue();
}
µÚ¶þÖÖ:ЧÂʵÍ,ÒÔºó¾¡Á¿ÉÙʹÓã¡
Map map = new HashMap();
......