集册 Java实例教程 通过指定字段名称不从对象获取静态字段,它搜索所有声明的字段,包括私有保护字段和公共字段

通过指定字段名称不从对象获取静态字段,它搜索所有声明的字段,包括私有保护字段和公共字段

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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通过指定字段名称不从对象获取静态字段,它搜索所有声明的字段,包括私有保护字段和公共字段


//package com.nowjava;/*from n o w j a v a . c o m - 时  代  Java*/

import java.lang.reflect.Field;

import java.lang.reflect.Modifier;

import java.util.ArrayList;

import java.util.List;


public class Main {

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

        Object obj = "nowjava.com";

        System.out.println(java.util.Arrays

                .toString(getNoStaticFieldArray(obj)));

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


    /**

     * Get no static field form an object by appointing field name, it search form all declared fields

     * including private protected and public field

     * @param obj the object to fetch fields

     * @return Field array

     */

    public static Field[] getNoStaticFieldArray(Object obj) {

        return getNoStaticFieldArray(obj.getClass());

    }


    public static Field[] getNoStaticFieldArray(Class<?> c) {

        return getNoStaticFieldList(c).toArray(new Field[] {});

    }


    /**

     * Get no static field form an object by appointing field name, it search form all declared fields

     * including private protected and public fields

     * @param obj the object to fetch field

     * @return Field list

     */

    public static List<Field> getNoStaticFieldList(Object obj) {

        return getNoStaticFieldList(obj.getClass());

    }


    public static List<Field> getNoStaticFieldList(Class<?> c) {

        Field[] fields = c.getDeclaredFields();

        List<Field> nostaticF
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