Java 从类中检索所有字段，包括其超类。
从类中检索所有字段，包括其超类。
实例源码：
源代码：
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/**3
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* Copyright (C) 2011 JTalks.org Team5
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* This library is free software; you can redistribute it and/or7
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* modify it under the terms of the GNU Lesser General Public9
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* License as published by the Free Software Foundation; either11
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* version 2.1 of the License, or (at your option) any later version.13
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* This library is distributed in the hope that it will be useful,15
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* but WITHOUT ANY WARRANTY; without even the implied warranty of17
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU19
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* Lesser General Public License for more details.21
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* You should have received a copy of the GNU Lesser General Public23
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* License along with this library; if not, write to the Free Software25
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA27
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*/29
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//package com.nowjava;31
/* from 时 代 Java - nowjava.com*/32
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import java.lang.reflect.Field;34
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import java.lang.reflect.Modifier;36
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import java.util.ArrayList;38
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import java.util.List;41
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public class Main {44
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public static void main(String[] argv) throws Exception {46
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Class beanClass = String.class;48
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System.out.println(getAllFields(beanClass));50
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}52
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/**55
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* Retrieves all fields from the class, including its super classes. <br>57
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* 59
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* <i>Leaves out all static fields.</i>61
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* 63
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* @param beanClass class whose fields will be extracted65
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* @return list of extracted fields67
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*/69
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public static List<Field> getAllFields(Class<?> beanClass) {71
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来 自 n o w j a v a . c o m - 时 代 Java73
**/74
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List<Class<?>> allClasses = getClassHierarchy(beanClass);76
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List<Field> fields = new ArrayList<Field>();79
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for (Class<?> current : allClasses) {82
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for (Field field : current.getDeclaredFields()) {84
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if (!Modifier.isStatic(field.getModifiers())) {86
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fields.add(field);88
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}90
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}92
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}94
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return fields;97
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}99
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/**102
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* Creates all class hierarchy from the given class to Object,104
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* <b>exclusive</b>, i.e. Object won't go to the list). Interfaces won't be106
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* listed in the result.108
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* 110
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* @param beanClass class for building its hierarchy112
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