该工具类主要用于处理特定类型的属性的默认值，如默认Double类型属性为空时赋值为0的工具类

Java代码

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package com.spi.utils;

import lombok.extern.slf4j.Slf4j;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * @ClassName ObjectFiledsUtil
 * @Description 类属性值工具类
 * @Author Leslie Hwang
 * @Email [email protected]
 * @Date 2021/5/10 下午4:41
 **/
@Slf4j
public class ObjectFiledsUtil {

    /**
    * @description: 处理实体类属性为Double类型的字段为null时默认赋值为0
    * @param: [object]
    * @return: java.lang.Object
    * @author: leslie
    * @email: [email protected]
    * @date: 2021/5/11
    */
    public static Object objectDoubleTypeFiledDeal(Object object) throws NoSuchMethodException {
        Field[] fields = object.getClass().getDeclaredFields();
        for (Field field : fields) {
            if (field.getType().getName().equals("java.lang.Double")){
                field.setAccessible(true);
                String key = field.getName();// 获取属性名
                String method = key.substring(0,1).toUpperCase()+key.substring(1);// 将属性首字符大写，方便get & set 方法

                //获取属性值
                Method getMethod = object.getClass().getMethod("get"+method);// 获取 get 方法
                Object value = null;
                try {
                    value = getMethod.invoke(object);// 通过 get 获取值
                } catch (IllegalAccessException e) {
                    log.error("IllegalAccessException Error Info {}", e.getMessage(), e);
                } catch (InvocationTargetException e) {
                    log.error("InvocationTargetException Error Info {}", e.getMessage(), e);
                }

                if (NullOrEmpty(value)){
                    //属性赋值
                    Method setMethod = object.getClass().getMethod("set" + method, Double.class); //获取set方法
                    try {
                        setMethod.invoke(object, 0.0);
                    } catch (IllegalAccessException e) {
                        e.printStackTrace();
                    } catch (InvocationTargetException e) {
                        e.printStackTrace();
                    }
                }
            }

        }
        return object;
    }

    public static boolean NullOrEmpty(Object value){
        if (value == null || "".equals(value)) {
            return true;
        }  else {
            return false;
        }
    }

}