java:父类转子类的公共方法

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class ObjectTools {
    public static void copyFatherToChild(Object father, Object child){
        if(!(child.getClass().getSuperclass()==father.getClass())){
           return;
        }
        try {
            List<Field> fieldsfather = getFieldList(father);
            List<Field> fieldschild = getFieldList(child);
            for (int i = 0; i < fieldsfather.size(); i++) {
                for(int j = 0;j < fieldschild.size();j++){
                    if(fieldschild.get(j).getName().compareTo(fieldsfather.get(i).getName()) == 0){
                        try {
                            fieldsfather.get(i).setAccessible(true);
                            fieldschild.get(j).setAccessible(true);
                            fieldschild.get(j).set(child, fieldsfather.get(i).get(father));
                        }
                        catch (Exception e2){

                        }
                        break;
                    }
                }
            }
        } catch (Exception ex) {

        }
    }

    public static List<Field> getFieldList(Object Model){
        List<Field> fieldList = new ArrayList<>() ;
        Class tempClass = Model.getClass();
        while (tempClass != null) {//当父类为null的时候说明到达了最上层的父类(Object类).
            fieldList.addAll(Arrays.asList(tempClass .getDeclaredFields()));
            tempClass = tempClass.getSuperclass(); //得到父类,然后赋给自己
        }
        return fieldList;
    }
}

案例：