引入包

　　　　 
                 
      
       commons-beanutils
                  
      
       commons-beanutils
                  
      
       1.9.3
              
     

 

main执行

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(1, "张三", 18, Boolean.FALSE);            Student2 s2 = new Student2();            BeanUtils.copyProperties(s2, s1);            System.out.println("1:" + s2.getName());            // 2: 属性放入map            Map
     
       map = BeanUtils.describe(s2);            for (Entry
      
        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", "666");            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        }    }}