java 获取动态代理生成的 Class 文件

　　　　　　　FileOutputStream out = null;
            try {
                byte[] classFile = ProxyGenerator.generateProxyClass("$Proxy0", DaoImpl.class.getInterfaces());
                out = new FileOutputStream(filePath[0] + "$Proxy0.class");
                out.write(classFile);
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                try {
                    if (out != null) {
                        out.flush();
                        out.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }