// jade's : private Object instantiateClass(this.mappedClass);
// why: 经过简单的笔记本测试,mappedClass.newInstrance性能比BeanUtils.instantiateClass(mappedClass)快1个数量级
try {
return clazz.newInstance();
} catch (Exception ex) {
throw new BeanInstantiationException(clazz, ex.getMessage(), ex);
}
}