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1¡¢ÀûÓÃSystem.getProperty()º¯Êý»ñÈ¡µ±Ç°Â·¾¶£º
System.out.println(System.getProperty("user.dir"));//user.dirÖ¸¶¨Á˵±Ç°µÄ·¾¶
2¡¢Ê¹ÓÃFileÌṩµÄº¯Êý»ñÈ¡µ±Ç°Â·¾¶£º
File directory = new File("");//É趨Ϊµ±Ç°Îļþ¼Ð
try{
    System.out.println(directory.getCanonicalPath());//»ñÈ¡±ê×¼µÄ·¾¶
    System.out.println(directory.getAbsolutePath());//»ñÈ¡¾ø¶Ô·¾¶
}catch(Exceptin e){}
File.getCanonicalPath()ºÍFile.getAbsolutePath()´óÔ¼Ö»ÊǶÔÓÚnew File(".")ºÍnew File("..")Á½ÖÖ·¾¶ÓÐËùÇø±ð¡£
# ¶ÔÓÚgetCanonicalPath()º¯Êý£¬“."¾Í±íʾµ±Ç°µÄÎļþ¼Ð£¬¶ø”..“Ôò±íʾµ±Ç°Îļþ¼ÐµÄÉÏÒ»¼¶Îļþ¼Ð
# ¶ÔÓÚgetAbsolutePath()º¯Êý£¬Ôò²»¹Ü”.”¡¢“..”£¬·µ»Øµ±Ç°µÄ·¾¶¼ÓÉÏÄãÔÚnew File()ʱÉ趨µÄ·¾¶
# ÖÁÓÚgetPath()º¯Êý£¬µÃµ½µÄÖ»ÊÇÄãÔÚnew File()ʱÉ趨µÄ·¾¶
±ÈÈ統ǰµÄ·¾¶Îª C:\test £º
File directory = new File("abc");
directory.getCanonicalPath(); //µÃµ½µÄÊÇC:\test\abc
directory.getAbsolutePath();    //µÃµ½µÄÊÇC:\test\abc
direcotry.getPath();                    //µÃµ½µÄÊÇabc
File directory = new File(".");
directory.getCanonicalPath(); //µÃµ½µÄÊÇC:\test
directory.getAbsolutePath();    //µÃµ½µÄÊÇC:\test\.
direcotry.getPath();                    //µÃµ½µÄÊÇ.
File directory = new File("..");
directory.getCanonicalPath(); //µÃµ½µÄÊÇC:\
directory.getAbsolutePath();    //µÃµ½µÄÊÇC:\test\..
direcotry.getPath();                    //µÃµ½µÄÊÇ..
ÁíÍ⣺System.getProperty()ÖеÄ×Ö·û´®²ÎÊýÈçÏ£º
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    Á½ÖÖÈÎÎñµÄÇø±ð£ºRunnable µÄrun()·½·¨Íê³ÉµÄÈÎÎñÊÇûÓзµ»ØÖµµÄ - void
    ¶øCallable µÄcall()·½·¨Íê³ÉµÄÈÎÎñÊÇÓзµ»ØÖ ......

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import java.text.*;
import java.util.*;
/**
*
* <p>
* Title: ͨÓù¤¾ßÀà
* </p>
* <p>
* Description: ³£Óù¤¾ßµÄ¼¯ºÏ£¬ÓÃÀ´´¦Àí³£¼ûÎÊÌ⣬±ÈÈçÖÐÎÄÂÒÂëµÄ·½·¨µÈ¡£
* </p>
* <p>
* Copyright: Copyright (c) 2003
* </p>
* <p>
* Company: Towery
* </ ......

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JAVAÖ®"ÎļþÉÏ´«"

<form name="UploadForm" enctype="multipart/form-data" method="post" action="upLoadImage.do">
<input type="file" name="File1" size="11" maxlength="20"/><input type="submit"value="ÉÏ ´«"/>
</form>  
  String path="images\\product\\";
String temp=thi ......

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1 CacheÀà
2 CacheManagerÀà
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