(转载,但不知道谁原创)获取SPRING 代理对象的真实实例,可以反射私有方法,便于测试

/**
* 获取 目标对象
* @param proxy 代理对象
* @return
* @throws Exception
*/
public static Object getTarget(Object proxy) throws Exception {
　　if(!AopUtils.isAopProxy(proxy)) {
　　　　return proxy;//不是代理对象
　　} 

　　if(AopUtils.isJdkDynamicProxy(proxy)) {
　　　　return getJdkDynamicProxyTargetObject(proxy);
　　} else { //cglib
　　　　return getCglibProxyTargetObject(proxy);
　　}
} 

private static Object getCglibProxyTargetObject(Object proxy) throws Exception {
　　Field h = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
　　h.setAccessible(true);
　　Object dynamicAdvisedInterceptor = h.get(proxy);
　　Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
　　advised.setAccessible(true);
　　Object target = ((AdvisedSupport)advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();
　　return target;
} 

private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {
　　Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
　　h.setAccessible(true);
　　AopProxy aopProxy = (AopProxy) h.get(proxy);
　　Field advised = aopProxy.getClass().getDeclaredField("advised");
　　advised.setAccessible(true);
　　Object target = ((AdvisedSupport)advised.get(aopProxy)).getTargetSource().getTarget();
　　return target;
}