动态代理浅说

byte[] proxyClassFile = ProxyGenerator.generateProxyClass(
     proxyName, interfaces.toArray(EMPTY_CLASS_ARRAY), accessFlags);
try {
  Class<?> pc = UNSAFE.defineClass(proxyName, proxyClassFile,
                                    0, proxyClassFile.length,
                                   loader, null);
    reverseProxyCache.sub(pc).putIfAbsent(loader, Boolean.TRUE);
 return pc;
} catch (ClassFormatError e) {
// 如果出现 ClassFormatError，很可能是输入参数有问题，比如，ProxyGenerator 有 bug
}

public static Object newProxyInstance(ClassLoader loader,
                                      Class<?>[] interfaces,
                                     InvocationHandler h)