code: private void beanToBean(Object providerBean, Object destBean) {
  		valueProviderToBean(new BeanValueProvider(providerBean, this.copyOptions.ignoreCase, this.copyOptions.ignoreError), destBean);
  	}
docs: Bean和Bean之间属性拷贝
  
  @param providerBean 来源Bean
  @param destBean 目标Bean