Springboot 两个Bean之间转换

import org.springframework.beans.BeansException;
import org.springframework.beans.FatalBeanException;
import org.springframework.util.Assert;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

public class BeanCopyUtils extends org.springframework.beans.BeanUtils{
    public static void copyBean(Object source, Object target) throws BeansException {
        Assert.notNull(source, "Source must not be null");
        Assert.notNull(target, "Target must not be null");
        Class<?> actualEditable = target.getClass();  
        PropertyDescriptor[] targetPds = getPropertyDescriptors(actualEditable);  
        for (PropertyDescriptor targetPd : targetPds) {  
          if (targetPd.getWriteMethod() != null) {  
            PropertyDescriptor sourcePd = getPropertyDescriptor(source.getClass(), targetPd.getName());  
            if (sourcePd != null && sourcePd.getReadMethod() != null) {  
              try {  
                Method readMethod = sourcePd.getReadMethod();  
                if (!Modifier.isPublic(readMethod.getDeclaringClass().getModifiers())) {  
                  readMethod.setAccessible(true);  
                }  
                Object value = readMethod.invoke(source); 
                if (value != null) {  
                  Method writeMethod = targetPd.getWriteMethod();  
                  if (!Modifier.isPublic(writeMethod.getDeclaringClass().getModifiers())) {  
                    writeMethod.setAccessible(true);  
                  }  
                  writeMethod.invoke(target, value);  
                }  
              } catch (Throwable ex) {  
                throw new FatalBeanException("Could not copy properties from source to target", ex);
              }  
            }  
          }  
        } 
    } 
}