// POJO package com.test;public class Person { private Integer id; private String lastName; private String firstName;
public String getFirstName() { return firstName; }
public void setFirstName(String firstName) { this.firstName = firstName; }
public String getLastName() { return lastName; }
public void setLastName(String lastName) { this.lastName = lastName; }
public Integer getId() { return id; }
public void setId(Integer id) { this.id = id; }}//测试类
package com.test;
import java.lang.reflect.Method;import java.util.HashMap;import java.util.Iterator;import java.util.Map;
public class Test {
/** * @将POJO对象转成Map */
public static Map testReflect(Object obj) { Map hashMap = new HashMap(); try { Class c = obj.getClass(); Method m[] = c.getDeclaredMethods(); for (int i = 0; i < m.length; i++) { if (m[i].getName().indexOf("get")==0) { //System.out.println("方法名："+m[i].getName()); // System.out.println("值："+ m[i].invoke(obj, new Object[0])); hashMap.put(m[i].getName(), m[i].invoke(obj, new Object[0])); } } } catch (Throwable e) { System.err.println(e); } return hashMap; }
public static void main(String[] args) {
Person p = new Person(); p.setFirstName("张"); p.setId(119); p.setLastName("三"); Map personMap = Test.testReflect(p); Iterator it = personMap.entrySet().iterator(); while (it.hasNext()) { Map.Entry map = (Map.Entry) it.next(); System.out.println("方法名：" + map.getKey() + " ,值: "+ map.getValue()); }
}
}
//测试结果方法名：getLastName ,值: 三方法名：getId ,值: 119方法名：getFirstName ,值: 张
相关资源：POJO转Map.txt