Method copy

src/main/java/util/CommonUtils.java:485–505

复制实体类 @param source 被复制的实体类对象 @param to 复制完后的实体类对象 @throws Exception

(Object source, Object to, String... needProperties)

     * @throws Exception
     */
    public static void copy(Object source, Object to, String... needProperties) throws Exception {
        List<String> propertiesList = new ArrayList(Arrays.asList(needProperties));
        // 获取属性
//        BeanInfo sourceBean = Introspector.getBeanInfo(source.getClass(), java.lang.Object.class);
//        PropertyDescriptor[] sourceProperty = sourceBean.getPropertyDescriptors();

        BeanInfo destBean = Introspector.getBeanInfo(to.getClass(), java.lang.Object.class);
        PropertyDescriptor[] destProperty = destBean.getPropertyDescriptors();

        //不复制的字段
        Set<String> notCopyFieldList = new HashSet<>();
        for (int j = 0; j < destProperty.length; j++) {
            if (!propertiesList.contains(destProperty[j].getName())) {
                notCopyFieldList.add(destProperty[j].getName());
            }
        }
        if (notCopyFieldList != null && notCopyFieldList.size() > 0) {
            String[] strs1 = notCopyFieldList.toArray(new String[notCopyFieldList.size()]);
            BeanUtils.copyProperties(source, to, strs1);
        }
    }

    /**
     * 正则表达式验证