<dependency>

            <groupId>commons-beanutils</groupId>

            <artifactId>commons-beanutils</artifactId>

            <version>1.9.</version>

        </dependency>

package com.gwzx.pay;

import java.util.Map;

import java.util.Map.Entry;

import org.apache.commons.beanutils.BeanUtils;

public class S {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        try {

            // 1: 属性复制

            Student2 s1 = new Student2(, "张三", , Boolean.FALSE);

            Student2 s2 = new Student2();

            BeanUtils.copyProperties(s2, s1);

            System.out.println("1:" + s2.getName());

            // 2: 属性放入map

            Map<String, String> map = BeanUtils.describe(s2);

            for (Entry<String, String> o : map.entrySet()) {

                System.out.println(o.getKey() + "=" + o.getValue());

            }

            map.clear();

            // 不会放入s2

            map.put("aa", "bb");

            // 覆盖s2

            map.put("id", "");

            map.put("bool", "true");

            // 3: Map值 动态放入s2对象中

            BeanUtils.populate(s2, map);

            System.out.println(s2.toString());

        } catch (Exception e) {

            // TODO: handle exception

        }

    }

}