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49 lines
1.5 KiB
49 lines
1.5 KiB
3 years ago
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package com.ynxbd.common.helper.common;
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import org.apache.commons.beanutils.BeanUtils;
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import org.apache.commons.beanutils.BeanUtilsBean;
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import org.apache.commons.beanutils.ConvertUtils;
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import org.apache.commons.beanutils.converters.DateConverter;
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import java.lang.reflect.Field;
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public class CopyHelper {
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static {
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// 解决BigDecimal类型转化报错
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BeanUtilsBean.getInstance().getConvertUtils().register(false, false, 0);
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// 解决Date类型转化报错
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ConvertUtils.register(new DateConverter(null), java.util.Date.class);
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}
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/*
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* 将父类所有的属性COPY到子类中。
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* 类定义中child一定要extends father；
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* 而且child和father一定为严格javabean写法，属性为deleteDate，方法为getDeleteDate
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*/
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public static <T> T fatherToChild(Object father, Class<T> childClazz) {
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if (father == null) {
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return null;
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}
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Class<?> fClazz = father.getClass();
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if (!(childClazz.getSuperclass() == fClazz)) {
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return null;
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}
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T bean = null;
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try {
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bean = childClazz.newInstance();
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for (Field f : fClazz.getDeclaredFields()) {
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f.setAccessible(true);
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BeanUtils.setProperty(bean, f.getName(), f.get(father));
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return bean;
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}
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}
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