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1. µÃµ½Ä³¸ö¶ÔÏóµÄÊôÐÔ
public Object getProperty(Object owner, String fieldName) throws Exception {
Class ownerClass = owner.getClass();
Field field = ownerClass.getField(fieldName);
Object property = field.get(owner);
return property;
}
Class ownerClass = owner.getClass()£ºµÃµ½¸Ã¶ÔÏóµÄClass¡£
Field field = ownerClass.getField(fieldName)£ºÍ¨¹ýClassµÃµ½ÀàÉùÃ÷µÄÊôÐÔ¡£
Object property = field.get(owner)£ºÍ¨¹ý¶ÔÏóµÃµ½¸ÃÊôÐÔµÄʵÀý£¬Èç¹ûÕâ¸öÊôÐÔÊǷǹ«Óеģ¬ÕâÀï»á±¨IllegalAccessException¡£
2. µÃµ½Ä³¸öÀàµÄ¾²Ì¬ÊôÐÔ
public Object getStaticProperty(String className, String fieldName) throws Exception {
Class ownerClass = Class.forName(className);
Field field = ownerClass.getField(fieldName);
Object property = field.get(ownerClass);
return property;
}
Class ownerClass = Class.forName(className) £ºÊ×Ïȵõ½Õâ¸öÀàµÄClass¡£
Field field = ownerClass.getField(fieldName)£ººÍÉÏÃæÒ»Ñù£¬Í¨¹ýClassµÃµ½ÀàÉùÃ÷µÄÊôÐÔ¡£
Object property = field.get(ownerClass) £ºÕâÀïºÍÉÏÃæÓÐЩ²»Í¬£¬ÒòΪ¸ÃÊôÐÔÊǾ²Ì¬µÄ£¬ËùÒÔÖ±½Ó´ÓÀàµÄClassÀïÈ¡¡£
3. Ö´ÐÐij¶ÔÏóµÄ·½·¨
public Object invokeMethod(Object owner, String methodName, Object[] args) throws Exception {
Class ownerClass = owner.getClass();
Class[] argsClass = new Class[args.length];
for (int i = 0, j = args.length; i < j; i++) {
argsClass[i] = args[i].getClass();
}
Method method = ownerClass.getMethod(methodName, argsClass);
return method.invoke(owner, args);
}
Class owner_class = owner.getClass() £ºÊ×ÏÈ»¹ÊDZØÐëµÃµ½Õâ¸ö¶ÔÏóµÄClass¡£
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Java ClassLoaderÉîÈë½²½â

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java ÖеÄÀàÓë½Ó¿Ú¶¨ÒåʵÀý

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java´òÓ¡µÄÔ´´úÂë(ʾÀý)

package com.demo;
import java.awt.*;
import java.awt.event.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.print.*;
import java.util.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.swing.*;
/**
This program demonstrates how to print 2D graphics ......

java web±ê¼Ç¼¼Êõ

1 jsp »ù´¡¸ÅÄî
    jspÊÇÔÚ´«Í³µÄhtmlÒ³ÃæÖУ¬¼ÓÈëjavaµÄ³ÌÐòƬ¶ÎºÍjsp±ê¼Ç£¬¾Í¹¹³ÉÁËjspÒ³Ãæ¡£µ±web·þÎñÆ÷Óöµ½¶ÔjspµÄ·ÃÎÊÇëÇóʱ£¬ÏÈÖ´ÐÐ¶ÔÆäÖеÄjava³ÌÐòƬ¶Î£¬È»ºóÒÔhtmlµÄ¸ñʽ·µ»Ø¸øÓû§¡£   java³ÌÐòƬ¶Î¿ÉÒÔÓÃÀ´²Ù×÷Êý¾Ý¿â£¬Öض¨ÏòÍøÒ³£¬»òÕßÊÇ·¢ËÍE-mail ,ÑéÖ¤µÇ½ÐÅÏ¢£¬ ÕâЩ²Ù×÷¶¼ÊÇÔÚ·þÎñÆ ......

JAVA ÖÐURLÁ´½ÓÖÐÎIJÎÊýÂÒÂëµÄ´¦Àí·½·¨

JAVA ÖÐURLÁ´½ÓÖÐÎIJÎÊýÂÒÂëµÄÈô¸É´¦Àí·½·¨£¬ÏÖÔÚÕûÀíÊÕ¼ÈçÏÂ:
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http://xxx.do?ptname='ÎÒÊÇÖйúÈË'
String strPtname = request.getParameter("ptname");
strPtname = new String(strPtname.getBytes("ISO-8859-1"), "UTF-8");  
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