Java±à³ÌÎÊÌâ - Java / Java SE
JavaÖÐʲô·½·¨¿ÉÒÔ¶ÁÈ¡±¾µØµÄ´ÅÅÌ·ÖÇøÇé¿ö£¬Ð»Ð»ÁË
²»¶®£¬¶ÁÈ¡±¾µØ´ÅÅÌ·ÖÇøÕâÖÖÐèÇó»¹ÕæÉÙ¼û¹þ
static File[] listRoots();
Áгö¿ÉÓõÄÎļþϵͳ¸ù¡£ Ï£Íû¶ÔÄãÓÐÓÃ
Java code:
File[] f=File.listRoots();
for(File ff:f){
System.out.println(ff.getAbsolutePath());
}
Êä³ö
C:\
D:\
E:\
F:\
G:\
H:\
²¹³äÒ»ÏÂ
Java code:
public static void main(String[] args)
{
try {
File[] root=File.listRoots();
for(int i=0;i<root.length;i++)
{
System.out.println(root[i]);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
´òÓ¡
C:\
D:\
E:\
F:\
G:\
2Â¥Õý½â
ÓÃlistRoots()µÃµ½·ÖÇøÁбí
È»ºó¿ÉÒÔÓÃgetFreeSpace()µÈ²é¿´¾ßÌåÐÅÏ¢
Æäʵûʶ࿴¿´API ÄãÓõÄʱºò¾ÍÓÐÖÖ´ËÔøÏàʶµÄ¸Ð¾õ
ѧϰing
ÿÌì»ØÌû¼´¿É»ñµÃ10·Ö¿ÉÓ÷֣¡
ÎÒѧϰ
Ïà¹ØÎÊ´ð£º
ÇëÎÒÓÃFCKÉÏ´«Îļþ,ÔÚ±¾µØµÄwindows»úÉϲâÊÔ¿ÉÒÔ£¬µ«²¿Êðµ½linux·þÎñÆ÷ÉϾÍÉÏ´«²»ÁËÎļþ£¬ÉÏ´«Îļþʱһֱ¿¨ÔÚÄÇÀï¡£Íû¸÷λ´óϺָµã£¬Ð»Ð»£¡
·¹ý£¬°ïÄ㶥һÏ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
ÉÏ´«ÎļþµÄ·¾¶ÎÊÌ⣬ ......
java swing ³ÌÐòÈçºÎ´ò°ü³Éjar£¬È»ºó¿ÉÒÔͨ¹ýÅú´¦ÀíÎļþbatÖ±½ÓÔËÐУ¬ÓÐûÓÐʲô¹¤¾ßÖ±½Ó¿ÉÒÔÍê³ÉÕâÁ½¸ö¹¤×÷£¿
ÓÃjar´ò°ü£¬°ÑÔËÐÐÐèÒªµÄjar¿½±´µ½Ò»¸öĿ¼£¬Åú´¦ÀíÓà start javaw -cp .;ÆäËû°ü·¾¶ ÔËÐÐ
ÓÃzip ......
ÔھƵê¹ÜÀíϵͳÖÐ,ÓÐÒ»¸ö¶ÔÄÚµÄϵͳ,¹©Ç°Ì¨·þÎñÔ±ºÍ¾ÀíʹÓÃ
»¹ÓÐÒ»¸ö¾ÍÊǶÔÍâ,Èÿͻ§¿ÉÒÔÔÚÍøÉÏÔ¤¶©·¿¼ä,
ËüÃÇÖ®¼äÊÇÔõôͨѶµÄ.?µ±ÎÒÌá½»Ô¤¶©·¿¼äÐÅÏ¢µÄʱºò,
ÔÚ¶ÔÄÚµÄϵͳÖÐ,ÈçºÎÖªµÀÎÒÒѾÌá½»ÁËÐÅÏ¢¹ýÈ¥.Ê¹Ç ......