复制豆到豆

//package com.nowjava;

import java.lang.reflect.Array;

import java.lang.reflect.Field;
/* 
 来自 
*n o w  j a v a  . c o m*/

import java.lang.reflect.Method;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;


public class Main {


    public static void copyBeanToBeans(List bean, Object beans) {

    /**
     * nowjava 提 供 
    **/

        try {

            if (bean != null) {

                Field[] field = beans.getClass().getDeclaredFields();

                String claname[] = new String[field.length];

                //System.out.println(field.length);

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

                    try {

                        List list = new ArrayList();

                        String fieldname = field[i].getName();

                        String setMethodname = new StringBuffer("set")

                                .append(fieldname.substring(0, 1)

                                        .toUpperCase())

                                .append(fieldname.substring(1)).toString();

                        String getMethodname = new StringBuffer("get")

                                .append(fieldname.substring(0, 1)

                                        .toUpperCase())

                                .append(fieldname.substring(1)).toString();

                        int k = 0;

                        Iterator enmu = bean.iterator();

                        while (enmu.hasNext()) {

                            Object temp = enmu.next();


                            claname[i] = temp.getClass()

                                    .getDeclaredField(fieldname).getType()

                                    .getName();

                            Method method = temp.getClass().getMethod(

                                    getMethodname, null);

                            list.add(method.invoke(temp, null));


                            k++;

                        }

                        Class[] cla = new Class[1];

                        cla[0] = beans.getClass()

                                .getDeclaredField(fieldname).getType();

                        //System.out.println(cla[0]);

                        Object[] paras = new Object[1];

                        Object obj = null;

                        obj = Array.newInstance(Class.forName(claname[i]),

                                bean.size(