jpythonµ÷ÓÃjavaÀàµÄÄ£°å
ʹÓÃJPypeÄ£¿éÈÃPythonµ÷ÓÃJAVAµÄÀà
Python idea! 2009-03-24 19:44 ÔĶÁ267 ÆÀÂÛ0
×ֺţº ´ó´ó ÖÐÖРСС
¿´¿´Àý×Ó¾ÍÖªµÀÀ²£¬ÕæÊÇΪPython£¨²»ÊÇJython£¬¶øÊÇCPython£©ÌṩÁËÇ¿´óÁ¦Á¿£¡
Ê×ÏÈÔÚjavaϽ¨Á¢Ò»¸öÔÙÒ²¼òµ¥²»¹ýµÄ°ü£º
package org.wg3i.test;
class Test {
private String msg;
public Test() {
}
public void speak(String msg) {
System.out.println(msg);
}
public void setString(String s) {
msg = s;
}
public String getString() {
return msg;
}
}
ÔÚPythonÏÂʹÓÃJPypeÄ£¿éÀ´µ÷ÓÃÎÒÃǸոÕÉú³ÉµÄjava°ü£º
import jpype
import os.path
jarpath = os.path.join(os.path.abspath('.'), 'build/jar')
jpype.startJVM(jpype.getDefaultJVMPath(), "-Djava.ext.dirs=%s" % jarpath)
Test = jpype.JClass('org.wg3i.test.Test') # È¡µÃ°üorg.wg3i.testÖеÄÀàTest
t = Test() # ´´½¨TestʵÀý
t.speak("This is a test message") # ³¢ÊÔµ÷ÓÃÀàµÄÒ»¸ö·½·¨
t.setString("Hello, World") #¸ø¶¨String
s = t.getString() # »ñÈ¡String
print s
jpype.shutdownJVM()
ÏÂÃæÀ´½éÉÜÏÂÈçºÎµ÷Óðü¶ø²»ÊǾßÌåµÄÒ»¸öÀࣺ
import jpype
import os.path
classpath = os.path.join(os.path.abspath('.'), 'build/classes')
jpype.startJVM(jpype.getDefaultJVMPath(), "-Djava.class.path=%s" % classpath)
testPkg = jpype.JPackage('org').wg3i.test # È¡µÃ°ü
Test = testPkg.Test # È¡µÃÀà
t = Test() # ´´½¨TestʵÀý
t.speak("This is a test message") # ³¢ÊÔµ÷ÓÃÀàµÄÒ»¸ö·½·¨
t.setString("Hello, World") &nbs
Ïà¹ØÎĵµ£º
ÔÚJAVAÖУ¬ÓÐÁù¸ö²»Í¬µÄµØ·½¿ÉÒÔ´æ´¢Êý¾Ý£º
1. ¼Ä´æÆ÷£¨register£©¡£ÕâÊÇ×î¿ìµÄ´æ´¢Çø£¬ÒòΪËüλÓÚ²»Í¬ÓÚÆäËû´æ´¢ÇøµÄµØ·½——´¦ÀíÆ÷ÄÚ²¿¡£µ«ÊǼĴæÆ÷µÄÊýÁ¿¼«ÆäÓÐÏÞ£¬ËùÒԼĴæÆ÷ÓɱàÒëÆ÷¸ù¾ÝÐèÇó½øÐзÖÅä¡£Äã²»ÄÜÖ±½Ó¿ØÖÆ £¬Ò²²»ÄÜÔÚ³ÌÐòÖиоõµ½¼Ä´æÆ÷´æÔÚµÄÈκμ£Ïó¡£
2. ¶ÑÕ»£¨stack£©¡£Î»ÓÚͨÓÃRAMÖУ¬µ ......
ǰÑÔ
JavaµÄ·¾¶ÎÊÌ⣬·Ç³£ÄѸ㡣×î½üµÄ¹¤×÷Éæ¼°µ½´´½¨ºÍ¶ÁÈ¡ÎļþµÄ¹¤×÷£¬ÕâÀïÎҾ͸ø´ó¼Ò³¹µ×µÃ½â¾öJava·¾¶ÎÊÌâ¡£
ÎÒ±àдÁËÒ»¸ö·½·¨£¬±È ClassLoader.getResource(String Ïà¶Ô·¾¶)·½·¨µÄÄÜÁ¦¸üÇ¿¡£Ëü¿ÉÒÔ½ÓÊÜ“../”ÕâÑùµÄ²ÎÊý£¬ÔÊÐíÎÒÃÇÓÃÏà ......
ÔÚJavaÖУ¬¾ÍÊÇÀàAµ÷ÓÃÀàBÖеÄij¸ö·½·¨b£¬È»ºóÀàBÓÖÔÚij¸öʱºò·´¹ýÀ´µ÷ÓÃÀàAÖеÄij¸ö·½·¨a£¬¶ÔÓÚAÀ´Ëµ£¬Õâ¸öa·½·¨±ã½Ð×ö»Øµ÷·½·¨,µ±È»£¬AÀàºÍBÀà¿ÉÒԺϲ¢ÎªÒ»¸ö¡£
pubilc interface CallBack{
public void callbackMethod();
}
public class A implements CallBa ......
¼Ì³Ð(inheritance)
¼Ì³ÐÊÇʹÓÃÒÑ´æÔÚµÄÀàµÄ¶¨Òå×÷Ϊ»ù´¡½¨Á¢ÐÂÀàµÄ¼¼Êõ£¬ÐÂÀàµÄ¶¨Òå¿ÉÒÔÔö¼ÓеÄÊý¾Ý»òÐµĹ¦ÄÜ£¬Ò²¿ÉÒÔÓø¸ÀàµÄ¹¦ÄÜ£¬µ«²»ÄÜÑ¡ÔñÐԵؼ̳и¸Àà¡£ÕâÖÖ¼¼ÊõʹµÃ¸´ÓÃÒÔǰµÄ´úÂë·Ç³£ÈÝÒ×£¬Äܹ»´ó´óËõ¶Ì¿ª·¢ÖÜÆÚ£¬½µµÍ¿ª·¢·ÑÓᣱÈÈç¿ÉÒÔÏȶ¨ÒåÒ»¸öÀà½Ð³µ£¬³µÓÐÒÔÏÂÊôÐÔ£º³µÌå´óС£¬ÑÕÉ ......