不同于ProxyFactory和ProxyFactoryBean 给单个bean增加代理。spring提供了基于一定规则自动发现和代理。
public abstract class AbstractAutoProxyCreator extends ProxyProcessorSupport
implements SmartInstantiationAwareBeanPostProcessor, BeanFactoryAware {
ProxyProcessorSupport 继承自ProxyConfig ，代理配置，最重要的方法：给bean 类检查接口，合适的话并应用到ProxyFactory
protected void evaluateProxyInterfaces(Class beanClass, ProxyFactory proxyFactory) {
Class[] targetInterfaces = ClassUtils.getAllInter
