在Java Bean上调用Get方法

/*
来 自*
 n o w  j a v a  . c o m
*/

//package com.nowjava;


import java.lang.reflect.Method;


public class Main {

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

        Object o = "nowjava.com";

        String fieldName = "nowjava.com";

        System.out.println(invokeGet(o, fieldName));

    }


    public static Object invokeGet(Object o, String fieldName) {

        Method method = getGetMethod(o.getClass(), fieldName);/* 来 自 NowJava.com - 时  代  Java*/

        try {

            return method.invoke(o, new Object[0]);

        } catch (Exception e) {

            e.printStackTrace();

        }

        return null;

    }


    @SuppressWarnings({ "unchecked", "rawtypes" })

    public static Method getGetMethod(Class objectClass, String fieldName) {

        StringBuffer sb = new StringBuffer();

        sb.append("get");

        sb.append(fieldName.substring(0, 1).toUpperCase());