有没有动态生成方法的...办法

import java.lang.reflect.Field;

import java.lang.reflect.Method;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;



import net.sf.cglib.beans.BeanGenerator;

import net.sf.cglib.beans.BeanMap;



public class DynaBeanCglibTest {



    public static void main(String[] args) throws ClassNotFoundException {

        

        System.out.println("Generate JavaBean ...");        

        // 设置类成员属性

        Map properties = new HashMap();

        properties.put("id", Class.forName("java.lang.Integer"));

        properties.put("name", Class.forName("java.lang.String"));

        properties.put("address", Class.forName("java.lang.String"));

        // 生成动态 Bean

        CglibDynaBean bean = new CglibDynaBean(properties);

        System.out.println("  OK!");

        

        System.out.println("Set values ...");

        // 给 Bean 设置值

        bean.setValue("id", new Integer(123));

        bean.setValue("name", "454");

        bean.setValue("address", "789");

        System.out.println("  OK!");

        

        System.out.println("Get values");

        // 从 Bean 中获取值，当然了获得值的类型是 Object

        System.out.println("  >> id      = " + bean.getValue("id"));

        System.out.println("  >> name    = " + bean.getValue("name"));

        System.out.println("  >> address = " + bean.getValue("address"));



        System.out.println("Class name");

        // 查看动态 Bean 的类名

        Class clazz = bean.getObject().getClass();

        System.out.println("  >> " + clazz.getName());

        

        System.out.println("Show all methods");

        // 查看动态 Bean 中声明的方法

        Method[] methods = clazz.getDeclaredMethods();

        for(int i = 0; i < methods.length; i++) {

            System.out.println("  >> " + methods[i].getName());

        }



        System.out.println("Show all properties");

        // 查看动态 Bean 中声明的字段

        Field[] fields = clazz.getDeclaredFields();

        for(int i = 0; i < fields.length; i++) {

            System.out.println("  >> " + fields[i].getName());

        } 

    }

}



class CglibDynaBean {

    private Object object = null;

    private BeanMap beanMap = null;

    

    public CglibDynaBean(Map properties) {        

        this.object = generateBean(properties);

        this.beanMap = getBeanMap();

    }

    

    public void setValue(String property, Object value) {

        beanMap.put(property, value);

    }

    

    public Object getValue(String property) {

        return beanMap.get(property);

    }



    public Object getObject() {

        return this.object;

    }  

   

    private Object generateBean(Map properties) {

        BeanGenerator generator = new BeanGenerator();

        Set keySet = properties.keySet();

        for(Iterator i = keySet.iterator(); i.hasNext();) {

            String key = (String)i.next();

            generator.addProperty(key, (Class)properties.get(key));

        }

        return generator.create();

    }

    

    private BeanMap getBeanMap() {

        return BeanMap.create(this.object);

    }

}