Java Bean映射

//package com.nowjava;
/**来自 
 时 代 J     a    v  a - nowjava.com**/

import java.lang.reflect.Method;

import java.util.HashMap;

import java.util.Map;


public class Main {

    public static void main(String[] argv) throws Exception {

        Object javaBean = "nowjava.com";

        System.out.println(Bean2Map(javaBean));

    }


    @SuppressWarnings("unchecked")//时代Java 提 供

    public static <K, V> Map<K, V> Bean2Map(Object javaBean) {

        Map<K, V> ret = new HashMap<K, V>();

        try {

            Method[] methods = javaBean.getClass().getDeclaredMethods();

            for (Method method : methods) {

                if (method.getName().startsWith("get")) {

                    String field = method.getName();

                    field = field.substring(field.indexOf("get") + 3);

                    field = field.toLowerCase().charAt(0)

                            + field.substring(1);

                    Object value = method.invoke(javaBe