Java 通过反射获取属性

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/*

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 * Comet4J Copyright(c) 2011, http://code.google.com/p/comet4j/ This code is

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 * licensed under BSD license. Use it as you wish, but keep this copyright

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 * intact.

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 *//**时 代      J a v a   公   众 号 - nowjava.com**/

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//package com.nowjava;

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import java.lang.reflect.AccessibleObject;

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import java.lang.reflect.Field;

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import java.util.HashMap;

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import java.util.Map;

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public class Main {

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

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        Object obj = "nowjava.com";

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        System.out.println(getPropertiesByReflect(obj));

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    }

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    @SuppressWarnings("rawtypes")

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    public static Map getPropertiesByReflect(Object obj) throws Exception {

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        if (obj == null)

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            return null;

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        Field[] fields = obj.getClass().getDeclaredFields();

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        if (fields == null || fields.length == 0)//来自 nowjava.com - 时代Java

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            return null;

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        Map<String, Object> map = new HashMap<String, Object>();

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        AccessibleObject.setAccessible(fields, true);

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