##main
public class Buyer { public static void main(String[] args) { taobao taobao = new taobao(); SaleUDisk saleUDisk = (SaleUDisk) Proxy.newProxyInstance(taobao.getClass().getClassLoader(), taobao.getClass().getInterfaces(), new InvocationHandler() { @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { Object invoke = method.invoke(taobao, 12); float ret = (Float) invoke + 11; return ret; } }); float sale = saleUDisk.sale(10); System.out.println(sale); } }
##接口
public interface SaleUDisk { public float sale(Integer count); }
##实现类
public class taobao implements SaleUDisk { private UDiskFactory uDiskFactory=new UDiskFactory(); @Override public float sale(Integer count) { System.out.println("tao bao sale u disk 95"); return 95f+count; } }