beanfactory.java

一个ajax源码

package demo;
import java.io.*;
import java.util.*;
public class BeanFactory
{
	public Object getBean(String id)
	{
		try{
      InputStream is=getClass().getResourceAsStream("/bean.properties");
	  Properties pro=new Properties();
	  pro.load(is);
	  String className=pro.getProperty(id);
	  Class cls=Class.forName(className);
	  return cls.newInstance();
		}catch(Exception e)
		{
			e.printStackTeace();
			return null;
		}
	}
}