引入包
<dependency> <groupId>commons-beanutils</groupId> <artifactId>commons-beanutils</artifactId> <version>1.9.3</version> </dependency>
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<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", "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 } } }